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No. DESCRIPTION PAGE
1. DESIGN DATA --------------------------------------------------------------- 3
ASME SEC. VIII DIV.1 2007 ED. + 2009 ADD. CODE STAMP
1041-D-042
PRESSURE
GASOLIN 91/95/98 CLOSED DRAIN DRUM TYPE
SIZE(mmxmm) 1300 I.D x 4000 TL TO TL
STRENGTH CALCULATION SHEETFOR PRESSURE VESSEL
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Settings Summary COMPRESS Build 7010
Units: MKS Datum Line Location: -38.00 mm from right seam Design ASME Section VIII Division 1, 2007 Edition, A09 Addenda Metric Design or Rating: Get Thickness from PressureMinimum thickness: 6.0 mm + C.ADesign for cold shut down only: NoDesign for lethal service (full radiography required): NoDesign nozzles for: Larger of MAWP or MAPCorrosion weight loss: 100% of theoretical lossUG-23 Stress Increase: 1.00Skirt/legs stress increase: 1.0Minimum nozzle projection: 192 mmJuncture calculations for > 30 only: YesPreheat P-No 1 Materials > 1.25" and <= 1.50" thick: NoUG-37(a) shell tr calculation considers longitudinal stress: NoButt welds are tapered per Figure UCS-66.3(a). Hydro/Pneumatic Test Shop Hydrotest at user defined pressure Test liquid specific gravity: 1.00Field Hydrotest Pressure: 1.3 times vessel MAWPWind load present @ field: 75% of design Maximum stress during test: 90% of yield Required Marking - UG-116 UG-116 (e) Radiography: RT4 UG-116 (f) Postweld heat treatment: None Code Cases\Interpretations Use Code Case 2547: No Apply interpretation VIII-1-83-66: Yes Apply interpretation VIII-1-86-175: Yes Apply interpretation VIII-1-83-115: Yes Apply interpretation VIII-1-01-37: Yes No UCS-66.1 MDMT reduction: No No UCS-68(c) MDMT reduction: No Disallow UG-20(f) exemptions: No UG-22 Loadings UG-22 (a) Internal or External Design Pressure : YesUG-22 (b) Weight of the vessel and normal contents under operating or test conditions: YesUG-22 (c) Superimposed static reactions from weight of attached equipment (external loads): YesUG-22 (d)(2) Vessel supports such as lugs, rings, skirts, saddles and legs: YesUG-22 (f) Wind reactions: NoUG-22 (f) Seismic reactions: YesUG-22 (j) Test pressure and coincident static head acting during the test: YesNote: UG-22 (b),(c) and (f) loads only considered when supports are present.
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NOTES: 1.
TABLE OF LOADING CASES AND LODE COMBINNATIONS
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Pressure Summary Pressure Summary for Chamber bounded by RIGHT HEAD and LEFT HEAD
Identifier P
Design ( kg/cm2)
TDesign( °C)
MAWP( kg/cm2)
MAP ( kg/cm2)
MAEP( kg/cm2)
Teexternal
( °C) MDMT
( °C) MDMT
Exemption ImpactTested
LEFT HEAD 3.5 87 13.48 19.55 4.22 87 -48 Note 1 No
Straight Flange on LEFT HEAD 3.5 87 19.72 25.8 2.64 87 -48 Note 2 No
SHELL 3.5 87 16.75 21.93 2.64 87 -48 Note 3 No
Straight Flange on RIGHT HEAD 3.5 87 19.72 25.8 2.64 87 -48 Note 2 No
RIGHT HEAD 3.5 87 13.48 19.55 4.22 87 -48 Note 1 No
VESSEL VENT (V) 3.5 87 13.48 19.55 2.64 87 -49 Note 8 NoChamber design MDMT is 7 °C Chamber rated MDMT is -47.83 °C @ 13.48 kg/cm2 Chamber MAWP hot & corroded is 13.48 kg/cm2 @ 87 °C Chamber MAP cold & new is 19.55 kg/cm2 @ 21 °C Chamber MAEP is 2.64 kg/cm2 @ 87 °C Vacuum rings did not govern the external pressure rating.
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Notes for MDMT Rating: Note # Exemption Details
1. Material impact test exemption temperature from Fig UCS-66M Curve D = -48 °C UCS-66 governing thickness = 9.75 mm
2. Material impact test exemption temperature from Fig UCS-66M Curve D = -47.63 °CFig UCS-66.1M MDMT reduction = 17.8 °C, (coincident ratio = 0.68269) Rated MDMT is governed by UCS-66(b)(2)
UCS-66 governing thickness = 13 mm
3. Material impact test exemption temperature from Fig UCS-66M Curve D = -47.63 °CFig UCS-66.1M MDMT reduction = 17.7 °C, (coincident ratio = 0.6834465) Rated MDMT is governed by UCS-66(b)(2)
UCS-66 governing thickness = 13 mm
4. Nozzle is impact tested to -48 °C (UCS-66(g)) UCS-66 governing thickness = 11.11 mm.
5. Pad impact test exemption temperature from Fig UCS-66M Curve D = -48 °CFig UCS-66.1M MDMT reduction = 0.3 °C, (coincident ratio = 0.99425) Rated MDMT is governed by UCS-66(b)(2)
UCS-66 governing thickness = 11.11 mm.
6. Nozzle is impact tested to -48 °C (UCS-66(g)) UCS-66 governing thickness = 13 mm.
7. Pad impact test exemption temperature from Fig UCS-66M Curve D = -47.63 °CFig UCS-66.1M MDMT reduction = 18 °C, (coincident ratio = 0.67837) Rated MDMT is governed by UCS-66(b)(2)
UCS-66 governing thickness = 13 mm.
8. Nozzle is impact tested to -49 °C (UCS-66(g)) UCS-66 governing thickness = 13 mm.
9. Nozzle is impact test exempt to -105 °C per UCS-66(b)(3) (coincident ratio = 0.26452).
10. Pad impact test exemption temperature from Fig UCS-66M Curve D = -47.63 °CFig UCS-66.1M MDMT reduction = 17.8 °C, (coincident ratio = 0.68273) Rated MDMT is governed by UCS-66(b)(2)
UCS-66 governing thickness = 13 mm.
11. Material is impact test exempt to -105 °C per UCS-66(b)(3) (coincident ratio = 0.32442)
13. Nozzle is impact test exempt to -105 °C per UCS-66(b)(3) (coincident ratio = 0.08208).
14. Nozzle impact test exemption temperature from Fig UCS-66M Curve D = -47.63 °CFig UCS-66.1M MDMT reduction = 0.2 °C, (coincident ratio = 0.99643) UCS-66 governing thickness = 13 mm.
15. Pad impact test exemption temperature from Fig UCS-66M Curve D = -47.63 °CFig UCS-66.1M MDMT reduction = 0.2 °C, (coincident ratio = 0.99643) UCS-66 governing thickness = 13 mm.
16. Nozzle is impact test exempt to -105 °C per UCS-66(b)(3) (coincident ratio = 0.2271).
17. Nozzle is impact tested to -49 °C (UCS-66(g)) UCS-66 governing thickness = 9.75 mm.
18. Nozzle is impact test exempt to -105 °C per UCS-66(b)(3) (coincident ratio = 0.2314).
19. Nozzle is impact test exempt to -105 °C per UCS-66(b)(3) (coincident ratio = 0.26681).
20. Nozzle is impact test exempt to -105 °C per UCS-66(b)(3) (coincident ratio = 0.26657).Design notes are available on the Settings Summary page.
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Hydrostatic Test
Shop test pressure determination for Chamber bounded by RIGHT HEAD and LEFT HEAD based on user defined pressure Shop test gauge pressure is 25.42 kgf/cm2 at 21 °C The shop test is performed with the vessel in the horizontal position.
Identifier Local test pressure kgf/cm2
Test liquidstatic head
kgf/cm2
Stressduring test
kgf/cm2
Allowabletest stresskgf/cm2
Stress excessive?
LEFT HEAD 25.61 0.19 1,536.589 2,211.763 No
Straight Flange on LEFT HEAD 25.61 0.19 1,293.253 2,211.763 No
SHELL 25.61 0.19 1,293.253 2,211.763 No
Straight Flange on RIGHT HEAD 25.61 0.19 1,293.253 2,211.763 No
RIGHT HEAD 25.61 0.19 1,536.589 2,211.763 No
BOOT SHELL 25.63 0.31 507.424 2,211.763 No
Straight Flange on BOOT HEAD 25.75 0.33 507.897 2,211.763 No
BOOT HEAD 25.76 0.34 524.513 2,211.763 No
BOOT SHELL (BOOT) 25.74 0.33 2,091.871 3,303.878 No
DRAIN (D) 25.78 0.36 535.158 3,303.878 No
INLET (A) 25.51 0.1 1,094.875 3,303.878 No
LEVEL TRANSMITTER (L1) 25.48 0.06 704.465 3,303.878 No
LEVEL TRANSMITTER (L2) 25.48 0.06 704.465 3,303.878 No
MANWAY (M1) 25.57 0.16 2,302.517 3,303.878 No
NITROGEN CONNECTION (N1) 25.48 0.06 1,385.442 3,303.878 No
OUTLET TO ATM (B2) 25.48 0.06 883.144 3,303.878 No
PRESSURE TRANSMITTER (P) 25.48 0.06 1,273.931 3,303.878 No
PUMP CONNECTION NOZZLE (M2) 25.48 0.06 1,625.341 3,303.878 No
PUMP OUT CONNECTION (B3) 25.48 0.06 1,273.931 3,303.878 No
STEAM OUT (S) 25.61 0.19 1,712.213 3,303.878 No
TEMPERATURE TRANSMITTER (T) 25.48 0.06 1,273.931 3,303.878 No
UTILITY CONNECTION (UC) 25.48 0.06 1,009.842 3,303.878 No
VESSEL VENT (V) 25.48 0.06 1,385.442 3,303.878 No Notes: (1) PL stresses at nozzle openings have been estimated using the method described in PVP-Vol. 399, pages 77-82. (2) 1.5*0.9*Sy used as the basis for the maximum local primary membrane stress at the nozzle intersection PL. (3) The zero degree angular position is assumed to be up, and the test liquid height is assumed to the top-most flange. The test temperature of 21 °C is warmer than the minimum recommended temperature of -30.83 °C so the brittle fracture provision of UG-99(h) has been met.
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Corroded Hydrostatic Test
The shop test condition has not been investigated for the Chamber bounded by RIGHT HEAD and LEFT HEAD. Field test pressure determination for Chamber bounded by RIGHT HEAD and LEFT HEAD based on MAWP per UG-99(b) Field hydrostatic test gauge pressure is 17.52 kgf/cm2 at 21 °C (the chamber MAWP = 13.48 kgf/cm2) The field test is performed with the vessel in the horizontal position.
Identifier Local test pressure kgf/cm2
Test liquidstatic head
kgf/cm2
UG-99stressratio
UG-99pressure
factor
Stressduring test
kgf/cm2
Allowable test stress kgf/cm2
Stress excessive?
LEFT HEAD (1) 17.71 0.2 1 1.30 1,542.216 2,211.763 No
Straight Flange on LEFT HEAD 17.71 0.2 1 1.30 1,165.511 2,211.763 No
SHELL 17.71 0.2 1 1.30 1,165.511 2,211.763 No
Straight Flange on RIGHT HEAD 17.71 0.2 1 1.30 1,165.511 2,211.763 No
RIGHT HEAD 17.71 0.2 1 1.30 1,542.216 2,211.763 No
BOOT SHELL 17.73 0.31 1 1.30 459.855 2,211.763 No
Straight Flange on BOOT HEAD 17.85 0.33 1 1.30 460.474 2,211.763 No
BOOT HEAD 17.86 0.34 1 1.30 505.26 2,211.763 No
BOOT SHELL (BOOT) 17.85 0.33 1 1.30 1,845.631 3,303.878 No
DRAIN (D) 17.88 0.36 1 1.30 533.717 3,303.878 No
INLET (A) 17.62 0.1 1 1.30 748.192 3,303.878 No
LEVEL TRANSMITTER (L1) 17.58 0.06 1 1.30 503.61 3,303.878 No
LEVEL TRANSMITTER (L2) 17.58 0.06 1 1.30 503.61 3,303.878 No
MANWAY (M1) 17.68 0.16 1 1.30 2,086.204 3,303.878 No
NITROGEN CONNECTION (N1) 17.58 0.06 1 1.30 1,269.584 3,303.878 No
OUTLET TO ATM (B2) 17.58 0.06 1 1.30 708.054 3,303.878 No
PRESSURE TRANSMITTER (P) 17.58 0.06 1 1.30 1,148.091 3,303.878 No
PUMP OUT CONNECTION (B3) 17.58 0.06 1 1.30 1,148.091 3,303.878 No
STEAM OUT (S) 17.71 0.19 1 1.30 1,840.56 3,303.878 No
TEMPERATURE TRANSMITTER (T) 17.58 0.06 1 1.30 1,148.091 3,303.878 No
UTILITY CONNECTION (UC) 17.58 0.06 1 1.30 717.463 3,303.878 No
VESSEL VENT (V) 17.58 0.06 1 1.30 1,269.584 3,303.878 No Notes: (1) LEFT HEAD limits the UG-99 stress ratio. (2) PL stresses at nozzle openings have been estimated using the method described in PVP-Vol. 399, pages 77-82. (3) 1.5*0.9*Sy used as the basis for the maximum local primary membrane stress at the nozzle intersection PL. (4) The zero degree angular position is assumed to be up, and the test liquid height is assumed to the top-most flange. The test temperature of 21 °C is warmer than the minimum recommended temperature of -30.83 °C so the brittle fracture provision of UG-99(h) has been met.
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Thickness Summary
Component Identifier Material Diameter
(mm) Length(mm)
Nominal t(mm)
Design t(mm)
Total Corrosion (mm)
JointE Load
LEFT HEAD SA-516 65 1,300 ID 334.75 9.75* 5.33 3 1.00 External
Straight Flange on LEFT HEAD SA-516 65 1,300 ID 38 13 8.14 3 1.00 External
tn: Nozzle thickness Req tn: Nozzle thickness required per UG-45/UG-16Nom t: Vessel wall thickness Design t: Required vessel wall thickness due to pressure + corrosion allowance per UG-37User t: Local vessel wall thickness (near opening) Aa: Area available per UG-37, governing conditionAr: Area required per UG-37, governing conditionCorr: Corrosion allowance on nozzle wall * Head minimum thickness after forming
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LEFT HEAD ASME Section VIII, Division 1, 2007 Edition, A09 Addenda Metric Component: Ellipsoidal Head Material Specification: SA-516 65 (II-D Metric p.14, ln. 35)Material impact test exemption temperature from Fig UCS-66M Curve D = -48 °C UCS-66 governing thickness = 9.75 mm Internal design pressure: P = 3.5 kgf/cm2 @ 87 °C External design pressure: Pe = 0.5 kgf/cm2 @ 87 °C Static liquid head: Ps= 0.0853 kgf/cm2 (SG=0.74, Hs=1153 mm Operating head) Pth= 0.1948 kgf/cm2 (SG=1, Hs=1950 mm Horizontal test head) Corrosion allowance: Inner C = 3 mm Outer C = 0 mmDesign MDMT = 7°C No impact test performed Rated MDMT = -48°C Material is normalized Material is produced to fine grain practice PWHT is not performed Do not Optimize MDMT / Find MAWP Radiography: Category A joints - Full UW-11(a) Type 1 Head to shell seam - Spot UW-11(a)(5)(b) Type 1 Estimated weight*: new = 145.2 kg corr = 102.3 kg Capacity*: new = 338 liters corr = 343.8 liters* includes straight flange Inner diameter = 1300 mmMinimum head thickness = 9.75 mm Head ratio D/2h = 2 (new) Head ratio D/2h = 1.9909 (corroded)Straight flange length Lsf = 38 mm Nominal straight flange thickness tsf = 13 mm Results Summary The governing condition is external pressure. Minimum thickness per UG-16 = 1.5 mm + 3 mm = 4.5 mmDesign thickness due to internal pressure (t) = 4.79 mmDesign thickness due to external pressure (te) = 5.33 mmMaximum allowable working pressure (MAWP) = 13.48 kgf/cm2
Maximum allowable pressure (MAP) = 19.55 kgf/cm2
Maximum allowable external pressure (MAEP) = 4.22 kgf/cm2
K (Corroded)K
= (1/6)*[2 + (D / (2*h))2]
= (1/6)*[2 + (1,306 / (2*328))2] = 0.993917 K (New) K
= (1/6)*[2 + (D / (2*h))2]
= (1/6)*[2 + (1,300 / (2*325))2] = 1 Design thickness for internal pressure, (Corroded at 87 °C) Appendix 1-4(c) t = P*D*K / (2*S*E - 0.2*P) + Corrosion = 3.59*1,306*0.993917 / (2*1,305.236*1 - 0.2*3.59) + 3 = 4.78 mm The head internal pressure design thickness is 4.79 mm. Maximum allowable working pressure, (Corroded at 87 °C) Appendix 1-4(c) P = 2*S*E*t / (K*D + 0.2*t) - Ps = 2*1,305.236*1*6.75 / (0.993917*1,306 +0.2*6.75) - 0.09 = 13.48 kgf/cm2 The maximum allowable working pressure (MAWP) is 13.48 kgf/cm2. Maximum allowable pressure, (New at 21 °C) Appendix 1-4(c) P = 2*S*E*t / (K*D + 0.2*t) - Ps = 2*1,305.236*1*9.75 / (1*1,300 +0.2*9.75) - 0 = 19.55 kgf/cm2 The maximum allowable pressure (MAP) is 19.55 kgf/cm2. Design thickness for external pressure, (Corroded at 87 °C) UG-33(d) Equivalent outside spherical radius (Ro) Ro = Ko*Do = 0.8869*1,319.5 = 1,170.26 mm A = 0.125 / (Ro / t) = 0.125 / (1,170.26 / 2.33) = 0.000249
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From Table CS-2 Metric: B = 251.1281 kgf/cm2
Pa = B / (Ro / t) = 251.1281 / (1,170.26 / 2.33) = 0.5 kgf/cm2 t = 2.33 mm + Corrosion = 2.33 mm + 3 mm = 5.33 mmCheck the external pressure per UG-33(a)(1) Appendix 1-4(c) t = 1.67*Pe*D*K / (2*S*E - 0.2*1.67*Pe) + Corrosion = 1.67*0.5*1,306*0.993917 / (2*1,305.236*1 - 0.2*1.67*0.5) + 3 = 3.42 mm The head external pressure design thickness (te) is 5.33 mm. Maximum Allowable External Pressure, (Corroded at 87 °C) UG-33(d) Equivalent outside spherical radius (Ro) Ro = Ko*Do = 0.8869*1,319.5 = 1,170.26 mm A = 0.125 / (Ro / t) = 0.125 / (1,170.26 / 6.75) = 0.000721 From Table CS-2 Metric: B = 731.1995 kgf/cm2
Pa = B / (Ro / t) = 731.1995 / (1,170.26 / 6.75) = 4.2177 kgf/cm2 Check the Maximum External Pressure, UG-33(a)(1) Appendix 1-4(c) P = 2*S*E*t / ((K*D + 0.2*t)*1.67) - Ps2 = 2*1,305.236*1*6.75 / ((0.993917*1,306 +0.2*6.75)*1.67) - 0 = 8.12 kgf/cm2 The maximum allowable external pressure (MAEP) is 4.22 kgf/cm2. % Extreme fiber elongation - UCS-79(d) EFE = (75*t / Rf)*(1 - Rf / Ro) = (75*13 / 227.5)*(1 - 227.5 / ) = 4.2857% The extreme fiber elongation does not exceed 5%.
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Straight Flange on LEFT HEAD
ASME Section VIII Division 1, 2007 Edition, A09 Addenda Metric Component: Straight FlangeMaterial specification: SA-516 65 (II-D Metric p. 14, ln. 35)Material impact test exemption temperature from Fig UCS-66M Curve D = -47.63 °C Fig UCS-66.1M MDMT reduction = 17.8 °C, (coincident ratio = 0.68269) Rated MDMT is governed by UCS-66(b)(2) UCS-66 governing thickness = 13 mm Internal design pressure: P = 3.5 kg/cm2 @ 87 °C External design pressure: Pe = 0.5 kg/cm2 @ 87 °C Static liquid head: Ps = 0.09 kg/cm2 (SG = 0.74, Hs = 1153 mm,Operating head)Pth = 0.19 kg/cm2 (SG = 1, Hs = 1950 mm, Horizontal test head)Corrosion allowance Inner C = 3 mm Outer C = 0 mmDesign MDMT = 7 °C No impact test performedRated MDMT = -48 °C Material is normalized Material is produced to Fine Grain Practice PWHT is not performedRadiography: Longitudinal joint - Full UW-11(a) Type 1 Circumferential joint - Spot UW-11(a)(5)b Type 1Estimated weight New = 16 kg corr = 12.3 kg Capacity New = 50.44 liters corr = 50.9 litersID = 1,300 mm Length Lc = 38 mm t = 13 mm Design thickness, (at 87 °C) UG-27(c)(1) t = P*R / (S*E - 0.60*P) + Corrosion = 3.59*653 / (1,305.24*1.00 - 0.60*3.59) + 3 = 4.8 mm Maximum allowable working pressure, (at 87 °C) UG-27(c)(1) P = S*E*t / (R + 0.60*t) - Ps = 1,305.24*1.00*10 / (653 + 0.60*10) - 0.09 = 19.72 kg/cm2 Maximum allowable pressure, (at 21 °C) UG-27(c)(1) P = S*E*t / (R + 0.60*t) = 1,305.24*1.00*13 / (650 + 0.60*13) = 25.8 kg/cm2 External Pressure, (Corroded & at 87 °C) UG-28(c) L / Do = 4,218.67 / 1,326 = 3.1815 Do / t = 1,326 / 5.14 = 258.1652From table G: A = 0.000096 From table CS-2 Metric: B = 96.8122 kg/cm2
Pa = 4*B / (3*(Do / t)) = 4*96.81 / (3*(1,326 / 5.14)) = 0.5 kg/cm2 Design thickness for external pressure Pa = 0.5 kg/cm2 ta = t + Corrosion = 5.14 + 3 = 8.14 mmMaximum Allowable External Pressure, (Corroded & at 87 °C) UG-28(c) L / Do = 4,218.67 / 1,326 = 3.1815 Do / t = 1,326 / 10 = 132.5965From table G: A = 0.000260 From table CS-2 Metric: B = 262.6607 kg/cm2
ASME Section VIII Division 1, 2007 Edition, A09 Addenda Metric Component: CylinderMaterial specification: SA-516 65 (II-D Metric p. 14, ln. 35)Material impact test exemption temperature from Fig UCS-66M Curve D = -47.63 °C Fig UCS-66.1M MDMT reduction = 17.7 °C, (coincident ratio = 0.6834465) Rated MDMT is governed by UCS-66(b)(2) UCS-66 governing thickness = 13 mm Internal design pressure: P = 3.5 kg/cm2 @ 87 °C External design pressure: Pe = 0.5 kg/cm2 @ 87 °C Static liquid head: Ps = 0.09 kg/cm2 (SG = 0.74, Hs = 1153 mm,Operating head)Pth = 0.19 kg/cm2 (SG = 1, Hs = 1950 mm, Horizontal test head)Corrosion allowance Inner C = 3 mm Outer C = 0 mmDesign MDMT = 7 °C No impact test performedRated MDMT = -48 °C Material is normalized Material is produced to Fine Grain Practice PWHT is not performedRadiography: Longitudinal joint - Spot UW-11(b) Type 1 Left circumferential joint - Spot UW-11(a)(5)b Type 1 Right circumferential joint - Spot UW-11(a)(5)b Type 1Estimated weight New = 1,596.5 kg corr = 1,231 kgCapacity New = 5,208.42 liters corr = 5,256.6 litersID = 1,300 mm Length Lc = 3,924 mm t = 13 mm Design thickness, (at 87 °C) UG-27(c)(1) t = P*R / (S*E - 0.60*P) + Corrosion = 3.59*653 / (1,305.24*0.85 - 0.60*3.59) + 3 = 5.12 mm Maximum allowable working pressure, (at 87 °C) UG-27(c)(1) P = S*E*t / (R + 0.60*t) - Ps = 1,305.24*0.85*10 / (653 + 0.60*10) - 0.09 = 16.75 kg/cm2 Maximum allowable pressure, (at 21 °C) UG-27(c)(1) P = S*E*t / (R + 0.60*t) = 1,305.24*0.85*13 / (650 + 0.60*13) = 21.93 kg/cm2 External Pressure, (Corroded & at 87 °C) UG-28(c) L / Do = 4,218.67 / 1,326 = 3.1815 Do / t = 1,326 / 5.14 = 258.1652From table G: A = 0.000096 From table CS-2 Metric: B = 96.8122 kg/cm2
Pa = 4*B / (3*(Do / t)) = 4*96.81 / (3*(1,326 / 5.14)) = 0.5 kg/cm2 Design thickness for external pressure Pa = 0.5 kg/cm2 ta = t + Corrosion = 5.14 + 3 = 8.14 mmMaximum Allowable External Pressure, (Corroded & at 87 °C) UG-28(c) L / Do = 4,218.67 / 1,326 = 3.1815 Do / t = 1,326 / 10 = 132.5965From table G: A = 0.000260 From table CS-2 Metric: B = 262.6607 kg/cm2
ASME Section VIII Division 1, 2007 Edition, A09 Addenda Metric Component: Straight FlangeMaterial specification: SA-516 65 (II-D Metric p. 14, ln. 35)Material impact test exemption temperature from Fig UCS-66M Curve D = -47.63 °C Fig UCS-66.1M MDMT reduction = 17.8 °C, (coincident ratio = 0.68269) Rated MDMT is governed by UCS-66(b)(2) UCS-66 governing thickness = 13 mm Internal design pressure: P = 3.5 kg/cm2 @ 87 °C External design pressure: Pe = 0.5 kg/cm2 @ 87 °C Static liquid head: Ps = 0.09 kg/cm2 (SG = 0.74, Hs = 1153 mm,Operating head)Pth = 0.19 kg/cm2 (SG = 1, Hs = 1950 mm, Horizontal test head)Corrosion allowance Inner C = 3 mm Outer C = 0 mmDesign MDMT = 7 °C No impact test performedRated MDMT = -48 °C Material is normalized Material is produced to Fine Grain Practice PWHT is not performedRadiography: Longitudinal joint - Full UW-11(a) Type 1 Circumferential joint - Spot UW-11(a)(5)b Type 1Estimated weight New = 16 kg corr = 12.3 kg Capacity New = 50.44 liters corr = 50.9 litersID = 1,300 mm Length Lc = 38 mm t = 13 mm Design thickness, (at 87 °C) UG-27(c)(1) t = P*R / (S*E - 0.60*P) + Corrosion = 3.59*653 / (1,305.24*1.00 - 0.60*3.59) + 3 = 4.8 mm Maximum allowable working pressure, (at 87 °C) UG-27(c)(1) P = S*E*t / (R + 0.60*t) - Ps = 1,305.24*1.00*10 / (653 + 0.60*10) - 0.09 = 19.72 kg/cm2 Maximum allowable pressure, (at 21 °C) UG-27(c)(1) P = S*E*t / (R + 0.60*t) = 1,305.24*1.00*13 / (650 + 0.60*13) = 25.8 kg/cm2 External Pressure, (Corroded & at 87 °C) UG-28(c) L / Do = 4,218.67 / 1,326 = 3.1815 Do / t = 1,326 / 5.14 = 258.1652From table G: A = 0.000096 From table CS-2 Metric: B = 96.8122 kg/cm2
Pa = 4*B / (3*(Do / t)) = 4*96.81 / (3*(1,326 / 5.14)) = 0.5 kg/cm2 Design thickness for external pressure Pa = 0.5 kg/cm2 ta = t + Corrosion = 5.14 + 3 = 8.14 mmMaximum Allowable External Pressure, (Corroded & at 87 °C) UG-28(c) L / Do = 4,218.67 / 1,326 = 3.1815 Do / t = 1,326 / 10 = 132.5965From table G: A = 0.000260 From table CS-2 Metric: B = 262.6607 kg/cm2
ASME Section VIII, Division 1, 2007 Edition, A09 Addenda Metric Component: Ellipsoidal Head Material Specification: SA-516 65 (II-D Metric p.14, ln. 35)Material impact test exemption temperature from Fig UCS-66M Curve D = -48 °C UCS-66 governing thickness = 9.75 mm Internal design pressure: P = 3.5 kgf/cm2 @ 87 °C External design pressure: Pe = 0.5 kgf/cm2 @ 87 °C Static liquid head: Ps= 0.0853 kgf/cm2 (SG=0.74, Hs=1153 mm Operating head) Pth= 0.1948 kgf/cm2 (SG=1, Hs=1950 mm Horizontal test head) Corrosion allowance: Inner C = 3 mm Outer C = 0 mmDesign MDMT = 7°C No impact test performed Rated MDMT = -48°C Material is normalized Material is produced to fine grain practice PWHT is not performed Do not Optimize MDMT / Find MAWP Radiography: Category A joints - Full UW-11(a) Type 1 Head to shell seam - Spot UW-11(a)(5)(b) Type 1 Estimated weight*: new = 164.2 kg corr = 115.5 kg Capacity*: new = 338 liters corr = 343.8 liters* includes straight flange Inner diameter = 1300 mmMinimum head thickness = 9.75 mm Head ratio D/2h = 2 (new) Head ratio D/2h = 1.9909 (corroded)Straight flange length Lsf = 38 mm Nominal straight flange thickness tsf = 13 mm Results Summary The governing condition is external pressure. Minimum thickness per UG-16 = 1.5 mm + 3 mm = 4.5 mmDesign thickness due to internal pressure (t) = 4.79 mmDesign thickness due to external pressure (te) = 5.33 mmMaximum allowable working pressure (MAWP) = 13.48 kgf/cm2
Maximum allowable pressure (MAP) = 19.55 kgf/cm2
Maximum allowable external pressure (MAEP) = 4.22 kgf/cm2
K (Corroded)K
= (1/6)*[2 + (D / (2*h))2]
= (1/6)*[2 + (1,306 / (2*328))2] = 0.993917 K (New) K
= (1/6)*[2 + (D / (2*h))2]
= (1/6)*[2 + (1,300 / (2*325))2] = 1 Design thickness for internal pressure, (Corroded at 87 °C) Appendix 1-4(c) t = P*D*K / (2*S*E - 0.2*P) + Corrosion = 3.59*1,306*0.993917 / (2*1,305.236*1 - 0.2*3.59) + 3 = 4.78 mm The head internal pressure design thickness is 4.79 mm. Maximum allowable working pressure, (Corroded at 87 °C) Appendix 1-4(c) P = 2*S*E*t / (K*D + 0.2*t) - Ps = 2*1,305.236*1*6.75 / (0.993917*1,306 +0.2*6.75) - 0.09 = 13.48 kgf/cm2 The maximum allowable working pressure (MAWP) is 13.48 kgf/cm2. Maximum allowable pressure, (New at 21 °C) Appendix 1-4(c) P = 2*S*E*t / (K*D + 0.2*t) - Ps = 2*1,305.236*1*9.75 / (1*1,300 +0.2*9.75) - 0 = 19.55 kgf/cm2 The maximum allowable pressure (MAP) is 19.55 kgf/cm2. Design thickness for external pressure, (Corroded at 87 °C) UG-33(d) Equivalent outside spherical radius (Ro) Ro = Ko*Do = 0.8869*1,319.5 = 1,170.26 mm A = 0.125 / (Ro / t) = 0.125 / (1,170.26 / 2.33)
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= 0.000249 From Table CS-2 Metric: B = 251.1281 kgf/cm2
Pa = B / (Ro / t) = 251.1281 / (1,170.26 / 2.33) = 0.5 kgf/cm2 t = 2.33 mm + Corrosion = 2.33 mm + 3 mm = 5.33 mmCheck the external pressure per UG-33(a)(1) Appendix 1-4(c) t = 1.67*Pe*D*K / (2*S*E - 0.2*1.67*Pe) + Corrosion = 1.67*0.5*1,306*0.993917 / (2*1,305.236*1 - 0.2*1.67*0.5) + 3 = 3.42 mm The head external pressure design thickness (te) is 5.33 mm. Maximum Allowable External Pressure, (Corroded at 87 °C) UG-33(d) Equivalent outside spherical radius (Ro) Ro = Ko*Do = 0.8869*1,319.5 = 1,170.26 mm A = 0.125 / (Ro / t) = 0.125 / (1,170.26 / 6.75) = 0.000721 From Table CS-2 Metric: B = 731.1995 kgf/cm2
Pa = B / (Ro / t) = 731.1995 / (1,170.26 / 6.75) = 4.2177 kgf/cm2 Check the Maximum External Pressure, UG-33(a)(1) Appendix 1-4(c) P = 2*S*E*t / ((K*D + 0.2*t)*1.67) - Ps2 = 2*1,305.236*1*6.75 / ((0.993917*1,306 +0.2*6.75)*1.67) - 0 = 8.12 kgf/cm2 The maximum allowable external pressure (MAEP) is 4.22 kgf/cm2. % Extreme fiber elongation - UCS-79(d) EFE = (75*t / Rf)*(1 - Rf / Ro) = (75*13 / 227.5)*(1 - 227.5 / ) = 4.2857% The extreme fiber elongation does not exceed 5%.
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BOOT SHELL
ASME Section VIII Division 1, 2007 Edition, A09 Addenda Metric Component: CylinderMaterial specification: SA-516 65 (II-D Metric p. 14, ln. 35)Material is impact test exempt to -105 °C per UCS-66(b)(3) (coincident ratio = 0.26681) Internal design pressure: P = 3.5 kg/cm2 @ 87 °C External design pressure: Pe = 0.5 kg/cm2 @ 87 °C Static liquid head: Ps = 0.18 kg/cm2 (SG = 0.74, Hs = 2484 mm,Operating head)Pth = 0.05 kg/cm2 (SG = 1, Hs = 500 mm, Horizontal test head)Ptv = 0.13 kg/cm2 (SG = 1, Hs = 1321 mm, Vertical test head)Corrosion allowance Inner C = 3 mm Outer C = 0 mmDesign MDMT = 7 °C No impact test performedRated MDMT = -105 °C Material is normalized Material is produced to Fine Grain Practice PWHT is not performedRadiography: Longitudinal joint - Spot UW-11(b) Type 1 Top circumferential joint - Spot UW-11(a)(5)b Type 1 Bottom circumferential joint - Spot UW-11(a)(5)b Type 1Estimated weight New = 216.8 kg corr = 167.7 kgCapacity New = 259.38 liters corr = 265.64 litersID = 500 mm Length Lc = 1,321 mm t = 13 mm Design thickness, (at 87 °C) UG-27(c)(1) t = P*R / (S*E - 0.60*P) + Corrosion = 3.68*253 / (1,305.24*0.85 - 0.60*3.68) + 3 = 3.84 mm Maximum allowable working pressure, (at 87 °C) UG-27(c)(1) P = S*E*t / (R + 0.60*t) - Ps = 1,305.24*0.85*10 / (253 + 0.60*10) - 0.18 = 42.65 kg/cm2 Maximum allowable pressure, (at 21 °C) UG-27(c)(1) P = S*E*t / (R + 0.60*t) = 1,305.24*0.85*13 / (250 + 0.60*13) = 55.95 kg/cm2 External Pressure, (Corroded & at 87 °C) UG-28(c) L / Do = 1,401.67 / 526 = 2.6648 Do / t = 526 / 1.89 = 278.9025 From table G: A = 0.000104 From table CS-2 Metric: B = 104.5883 kg/cm2
Pa = 4*B / (3*(Do / t)) = 4*104.59 / (3*(526 / 1.89)) = 0.5 kg/cm2 Design thickness for external pressure Pa = 0.5 kg/cm2 ta = t + Corrosion = 1.89 + 3 = 4.89 mmMaximum Allowable External Pressure, (Corroded & at 87 °C) UG-28(c) L / Do = 1,401.67 / 526 = 2.6648 Do / t = 526 / 10 = 52.5986 From table G: A = 0.001238 From table CS-2 Metric: B = 918.0742 kg/cm2
ASME Section VIII Division 1, 2007 Edition, A09 Addenda Metric Component: Straight FlangeMaterial specification: SA-516 65 (II-D Metric p. 14, ln. 35)Material is impact test exempt to -105 °C per UCS-66(b)(3) (coincident ratio = 0.26657) Internal design pressure: P = 3.5 kg/cm2 @ 87 °C External design pressure: Pe = 0.5 kg/cm2 @ 87 °C Static liquid head: Ps = 0.19 kg/cm2 (SG = 0.74, Hs = 2522 mm,Operating head)Pth = 0.05 kg/cm2 (SG = 1, Hs = 500 mm, Horizontal test head)Ptv = 0.14 kg/cm2 (SG = 1, Hs = 1359 mm, Vertical test head)Corrosion allowance Inner C = 3 mm Outer C = 0 mmDesign MDMT = 7 °C No impact test performedRated MDMT = -105 °C Material is normalized Material is produced to Fine Grain Practice PWHT is not performedRadiography: Longitudinal joint - Full UW-11(a) Type 1 Circumferential joint - Spot UW-11(a)(5)b Type 1Estimated weight New = 6.2 kg corr = 4.8 kg Capacity New = 7.46 liters corr = 7.64 litersID = 500 mmLength Lc = 38 mm t = 13 mm Design thickness, (at 87 °C) UG-27(c)(1) t = P*R / (S*E - 0.60*P) + Corrosion = 3.69*253 / (1,305.24*1.00 - 0.60*3.69) + 3 = 3.72 mm Maximum allowable working pressure, (at 87 °C) UG-27(c)(1) P = S*E*t / (R + 0.60*t) - Ps = 1,305.24*1.00*10 / (253 + 0.60*10) - 0.19 = 50.21 kg/cm2 Maximum allowable pressure, (at 21 °C) UG-27(c)(1) P = S*E*t / (R + 0.60*t) = 1,305.24*1.00*13 / (250 + 0.60*13) = 65.82 kg/cm2 External Pressure, (Corroded & at 87 °C) UG-28(c) L / Do = 1,401.67 / 526 = 2.6648 Do / t = 526 / 1.89 = 278.9025 From table G: A = 0.000104 From table CS-2 Metric: B = 104.5883 kg/cm2
Pa = 4*B / (3*(Do / t)) = 4*104.59 / (3*(526 / 1.89)) = 0.5 kg/cm2 Design thickness for external pressure Pa = 0.5 kg/cm2 ta = t + Corrosion = 1.89 + 3 = 4.89 mmMaximum Allowable External Pressure, (Corroded & at 87 °C) UG-28(c) L / Do = 1,401.67 / 526 = 2.6648 Do / t = 526 / 10 = 52.5986 From table G: A = 0.001238 From table CS-2 Metric: B = 918.0742 kg/cm2
= 0.000249 From Table CS-2 Metric: B = 251.128 kgf/cm2
Pa = B / (Ro / t) = 251.128 / (450.81 / 0.9) = 0.5 kgf/cm2 t = 0.9 mm + Corrosion = 0.9 mm + 3 mm = 3.9 mmCheck the external pressure per UG-33(a)(1) Appendix 1-4(c) t = 1.67*Pe*D*K / (2*S*E - 0.2*1.67*Pe) + Corrosion = 1.67*0.5*506*0.984468 / (2*1,305.236*1 - 0.2*1.67*0.5) + 3 = 3.16 mm The head external pressure design thickness (te) is 3.9 mm. Maximum Allowable External Pressure, (Corroded at 87 °C) UG-33(d) Equivalent outside spherical radius (Ro) Ro = Ko*Do = 0.8635*522.1 = 450.81 mm A = 0.125 / (Ro / t) = 0.125 / (450.81 / 8.05) = 0.002232 From Table CS-2 Metric: B = 1,074.4119 kgf/cm2
Pa = B / (Ro / t) = 1,074.412 / (450.81 / 8.05) = 19.1862 kgf/cm2 Check the Maximum External Pressure, UG-33(a)(1) Appendix 1-4(c) P = 2*S*E*t / ((K*D + 0.2*t)*1.67) - Ps2 = 2*1,305.236*1*8.05 / ((0.984468*506 +0.2*8.05)*1.67) - 0 = 25.18 kgf/cm2 The maximum allowable external pressure (MAEP) is 19.19 kgf/cm2. % Extreme fiber elongation - UCS-79(d) EFE = (75*t / Rf)*(1 - Rf / Ro) = (75*13 / 91.5)*(1 - 91.5 / ) = 10.6557% The extreme fiber elongation exceeds 5 percent. Heat treatment per UCS-56 may be required. See UCS-79(d)(4) or (5).
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BOOT SHELL (BOOT)
ASME Section VIII Division 1, 2007 Edition, A09 Addenda Metric
tw(lower) = 13 mm Leg41 = 9 mm tw(upper) = 13 mm Leg42 = 10 mm Dp = 970 mm te = 13 mm
Note: round inside edges per UG-76(c) Located on: SHELL Liquid static head included: 0.086 kgf/cm2
Nozzle material specification: SA-516 65 (II-D Metric p. 14, ln. 35) (normalized) Nozzle longitudinal joint efficiency: 1 Pad material specification: SA-516 65 (II-D Metric p. 14, ln. 35) (normalized) Pad diameter: 970 mm Nozzle orientation: 180° Local vessel minimum thickness: 13 mm Nozzle center line offset to datum line: 2,400 mm End of nozzle to shell center: 1,984 mm Nozzle inside diameter, new: 500 mm Nozzle nominal wall thickness: 13 mm Nozzle corrosion allowance: 3 mm Projection available outside vessel, Lpr: 1,321 mm Pad is split: No Reinforcement Calculations for Internal Pressure
UG-37 Area Calculation Summary (cm2)For P = 13.56 kgf/cm2 @ 87 °C
Nozzle to pad fillet (Leg41) 6 6.3 weld size is adequate
Pad to shell fillet (Leg42) 5 7 weld size is adequate
Nozzle to pad groove (Upper) 7 13 weld size is adequate
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Check the opening per Appendix 1-7 Area required within 75 percent of the limits of reinforcement = 2 / 3*A = (2 / 3)*34.5473 = 23.0315 cm2 Area that is within 75 percent of the limits of reinforcement is: A1 = larger of 1.269 or = (2*limits - d)*(E1*t - F*tr) - 2*tn*(E1*t - F*tr)*(1 - fr1) = (2*379.5 - 506)*(1*10 - 1*6.83) - 2*10*(1*10 - 1*6.83)*(1 - 1) = 8.0271 cm2 A5 = (Dp - d - 2*tn)*te*fr4 = (759 - 506 - 2*10)*13*1 = 30.2903 cm2 Area = A1 + A2 + A3 + A41 + A42 + A43 + A5 = 8.0271 + 3.6781 + 0 + 0.8103 + 0 + 0 + 30.2903 = 42.8057 cm2 The area placement requirements of Appendix 1-7 are satisfied. The opening is not within the size range defined by 1-7(b)(1)(a) and (b) so it is exempt from the requirements of 1-7(b)(2),(3) and (4). Rn / R ratio does not exceed 0.7 so a U-2(g) analysis is not required per 1-7(b)(1)(c). % Extreme fiber elongation - UCS-79(d) EFE = (50*t / Rf)*(1 - Rf / Ro) = (50*13 / 256.5)*(1 - 256.5 / ) = 2.5341% The extreme fiber elongation does not exceed 5%. Reinforcement Calculations for MAP
UG-37 Area Calculation Summary (cm2) For P = 19.55 kgf/cm2 @ 21 °C
Flange rated MDMT: -49°C (UG-84 provisions apply) (Flange impact tested to -49°C (UCS-66(g))) Liquid static head on flange: 0.0074 kgf/cm2 ASME B16.5 flange rating MAWP: 18.45 kgf/cm2 @ 87°C ASME B16.5 flange rating MAP: 19.99 kgf/cm2 @ 21°C ASME B16.5 flange hydro test: 30.59 kgf/cm2 @ 21°C Gasket Description: Flexitallic Spiral Wound CGI 316L S.S. PWHT performed: No Circumferential joint radiography: Full UW-11(a) Type 1 Nozzle orientation: 0° Calculated as hillside: Yes Local vessel minimum thickness: 9.75 mm End of nozzle to datum line: -550 mm Nozzle inside diameter, new: 193.68 mm Nozzle nominal wall thickness: 12.7 mm Nozzle corrosion allowance: 3 mm Opening chord length: 214.96 mm Projection available outside vessel, Lpr: 147.84 mm Projection available outside vessel to flange face, Lf: 249.44 mm Distance to head center, R: 400 mm Pad is split: No Reinforcement Calculations for Internal Pressure
UG-37 Area Calculation Summary (cm2)For P = 13.48 kgf/cm2 @ 87 °C
Flange rated MDMT: -49°C (UG-84 provisions apply) (Flange impact tested to -49°C (UCS-66(g))) Liquid static head on flange: 0 kgf/cm2 ASME B16.5 flange rating MAWP: 18.45 kgf/cm2 @ 87°C ASME B16.5 flange rating MAP: 19.99 kgf/cm2 @ 21°C ASME B16.5 flange hydro test: 30.59 kgf/cm2 @ 21°C Gasket Description: Flexitallic Spiral Wound CGI 316L S.S. PWHT performed: No Circumferential joint radiography: Full UW-11(a) Type 1 Nozzle orientation: 0° Local vessel minimum thickness: 13 mm Nozzle center line offset to datum line: 3,600 mm End of nozzle to shell center: 1,200 mm Nozzle inside diameter, new: 242.87 mm Nozzle nominal wall thickness: 15.09 mm Nozzle corrosion allowance: 3 mm Projection available outside vessel, Lpr: 435.4 mm Projection available outside vessel to flange face, Lf: 537 mm Pad is split: No Reinforcement Calculations for Internal Pressure
UG-37 Area Calculation Summary (cm2)For P = 13.48 kgf/cm2 @ 87 °C
Flange rated MDMT: -49°C (UG-84 provisions apply) (Flange impact tested to -49°C (UCS-66(g))) Liquid static head on flange: 0 kgf/cm2 ASME B16.5 flange rating MAWP: 18.45 kgf/cm2 @ 87°C ASME B16.5 flange rating MAP: 19.99 kgf/cm2 @ 21°C ASME B16.5 flange hydro test: 30.59 kgf/cm2 @ 21°C Gasket Description: Flexitallic Spiral Wound CGI 316L S.S. PWHT performed: No Circumferential joint radiography: Full UW-11(a) Type 1 Nozzle orientation: 0° Local vessel minimum thickness: 13 mm Nozzle center line offset to datum line: 3,100 mm End of nozzle to shell center: 1,200 mm Nozzle inside diameter, new: 146.33 mm Nozzle nominal wall thickness: 10.97 mm Nozzle corrosion allowance: 3 mm Projection available outside vessel, Lpr: 448.1 mm Projection available outside vessel to flange face, Lf: 537 mm Pad is split: No Reinforcement Calculations for Internal Pressure
UG-37 Area Calculation Summary (cm2)For P = 13.48 kgf/cm2 @ 87 °C
Flange rated MDMT: -76°C (UCS-66(b)(3): Coincident ratio = 0.2586163) (Flange rated MDMT = -105 °C Bolts rated MDMT per Fig UCS-66 note (c) = -76 °C)
Liquid static head on flange: 0 kgf/cm2 ASME B16.5 flange rating MAWP: 48.45 kgf/cm2 @ 87°C ASME B16.5 flange rating MAP: 52.11 kgf/cm2 @ 21°C ASME B16.5 flange hydro test: 78.52 kgf/cm2 @ 21°C Gasket Description: Flexitallic Spiral Wound CGI 316L S.S. PWHT performed: No Circumferential joint radiography: Full UW-11(a) Type 1 Nozzle orientation: 0° Local vessel minimum thickness: 13 mm Nozzle center line offset to datum line: 850 mm End of nozzle to shell center: 1,200 mm Nozzle inside diameter, new: 92.05 mm Nozzle nominal wall thickness: 11.13 mm Nozzle corrosion allowance: 3 mm Projection available outside vessel, Lpr: 451.15 mm Internal projection, hnew: 1,250 mm Projection available outside vessel to flange face, Lf: 537 mm Pad is split: No Reinforcement Calculations for Internal Pressure
UG-37 Area Calculation Summary (cm2)For P = 13.48 kgf/cm2 @ 87 °C
Flange rated MDMT: -76°C (UCS-66(b)(3): Coincident ratio = 0.2586163) (Flange rated MDMT = -105 °C Bolts rated MDMT per Fig UCS-66 note (c) = -76 °C)
Liquid static head on flange: 0 kgf/cm2 ASME B16.5 flange rating MAWP: 48.45 kgf/cm2 @ 87°C ASME B16.5 flange rating MAP: 52.11 kgf/cm2 @ 21°C ASME B16.5 flange hydro test: 78.52 kgf/cm2 @ 21°C Gasket Description: Flexitallic Spiral Wound CGI 316L S.S. PWHT performed: No Circumferential joint radiography: Full UW-11(a) Type 1 Nozzle orientation: 0° Local vessel minimum thickness: 13 mm Nozzle center line offset to datum line: 1,150 mm End of nozzle to shell center: 1,200 mm Nozzle inside diameter, new: 92.05 mm Nozzle nominal wall thickness: 11.13 mm Nozzle corrosion allowance: 3 mm Projection available outside vessel, Lpr: 451.15 mm Internal projection, hnew: 1,250 mm Projection available outside vessel to flange face, Lf: 537 mm Pad is split: No Reinforcement Calculations for Internal Pressure
UG-37 Area Calculation Summary (cm2)For P = 13.48 kgf/cm2 @ 87 °C
Note: round inside edges per UG-76(c) Located on: SHELL Liquid static head included: 0 kgf/cm2
Nozzle material specification: SA-350 LF2 Cl 1 (II-D Metric p. 18, ln. 15) (normalized)
Nozzle longitudinal joint efficiency: 1 Flange description: 2 inch Class 300 LWN A350 LF2 Cl.1 Bolt Material: SA-320 L7M Bolt <= 64 (II-D Metric p. 348, ln. 31) Flange rated MDMT: -76°C (UCS-66(b)(3): Coincident ratio = 0.2586163) (Flange rated MDMT = -105 °C Bolts rated MDMT per Fig UCS-66 note (c) = -76 °C)
Liquid static head on flange: 0 kgf/cm2 ASME B16.5 flange rating MAWP: 48.45 kgf/cm2 @ 87°C ASME B16.5 flange rating MAP: 52.11 kgf/cm2 @ 21°C ASME B16.5 flange hydro test: 78.52 kgf/cm2 @ 21°C Gasket Description: Flexitallic Spiral Wound CGI 316L S.S. PWHT performed: No Nozzle orientation: 0° Local vessel minimum thickness: 13 mm Nozzle center line offset to datum line: 400 mm End of nozzle to shell center: 1,200 mm Nozzle inside diameter, new: 50.8 mm Nozzle nominal wall thickness: 16.65 mm Nozzle corrosion allowance: 3 mm Projection available outside vessel, Lpr: 514.65 mm Projection available outside vessel to flange face, Lf: 537 mm Reinforcement Calculations for Internal Pressure
UG-37 Area Calculation Summary (cm2) For P = 13.48 kgf/cm2 @ 87 °C
The nozzle is exempt from weld strength calculations per UW-15(b)(1)
UW-16 Weld Sizing Summary
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Weld description Required weld throat size (mm)
Actual weldthroat size (mm) Status
Nozzle to shell fillet (Leg41) 6 6.3 weld size is adequate Opening T is too close per UG-36(c)(3)(d) to allow an exemption per UG-36(c)(3)(a). Reinforcement calculations performed. Reinforcement Calculations for MAP
UG-37 Area Calculation Summary (cm2) For P = 19.55 kgf/cm2 @ 21 °C
This nozzle is exempt from area calculations per UG-36(c)(3)(a) 4.8 16.65
UG-41 Weld Failure Path Analysis Summary
The nozzle is exempt from weld strength calculations per UW-15(b)(2)
UW-16 Weld Sizing Summary
Weld description Required weld throat size (mm)
Actual weldthroat size (mm) Status
Nozzle to shell fillet (Leg41) 6 6.3 weld size is adequate This opening does not require reinforcement per UG-36(c)(3)(a) Reinforcement Calculations for External Pressure
UG-37 Area Calculation Summary (cm2) For Pe = 2.64 kgf/cm2 @ 87 °C
Weld strength calculations are not required for external pressure
UW-16 Weld Sizing Summary
Weld description Required weld throat size (mm)
Actual weldthroat size (mm) Status
Nozzle to shell fillet (Leg41) 6 6.3 weld size is adequate Opening T is too close per UG-36(c)(3)(d) to allow an exemption per UG-36(c)(3)(a). Reinforcement calculations performed.
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TEMPERATURE TRANSMITTER (T)
ASME Section VIII Division 1, 2007 Edition, A09 Addenda Metric
tw(lower) = 13 mm Leg41 = 9 mm Leg43 = 9 mm hnew = 50 mm
Note: round inside edges per UG-76(c) Located on: SHELL Liquid static head included: 0 kgf/cm2
Nozzle material specification: SA-350 LF2 Cl 1 (II-D Metric p. 18, ln. 15) (normalized)
Nozzle longitudinal joint efficiency: 1 Flange description: 2 inch Class 300 LWN A350 LF2 Cl.1 Bolt Material: SA-320 L7M Bolt <= 64 (II-D Metric p. 348, ln. 31) Flange rated MDMT: -76°C (UCS-66(b)(3): Coincident ratio = 0.2586163) (Flange rated MDMT = -105 °C Bolts rated MDMT per Fig UCS-66 note (c) = -76 °C)
Liquid static head on flange: 0 kgf/cm2 ASME B16.5 flange rating MAWP: 48.45 kgf/cm2 @ 87°C ASME B16.5 flange rating MAP: 52.11 kgf/cm2 @ 21°C ASME B16.5 flange hydro test: 78.52 kgf/cm2 @ 21°C Gasket Description: Flexitallic Spiral Wound CGI 316L S.S. PWHT performed: No Nozzle orientation: 0° Local vessel minimum thickness: 13 mm Nozzle center line offset to datum line: 600 mm End of nozzle to shell center: 1,200 mm Nozzle inside diameter, new: 42.9 mm Nozzle nominal wall thickness: 20.6 mm Nozzle corrosion allowance: 3 mm Projection available outside vessel, Lpr: 514.65 mm Internal projection, hnew: 50 mm Projection available outside vessel to flange face, Lf: 537 mm Reinforcement Calculations for Internal Pressure
UG-37 Area Calculation Summary (cm2) For P = 13.48 kgf/cm2 @ 87 °C
This nozzle is exempt from area calculations per UG-36(c)(3)(a) 7.8 20.6
UG-41 Weld Failure Path Analysis Summary
The nozzle is exempt from weld strength calculations per UW-15(b)(2)
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UW-16 Weld Sizing Summary
Weld description Required weld throat size (mm)
Actual weldthroat size (mm) Status
Nozzle to shell fillet (Leg41) 6 6.3 weld size is adequate This opening does not require reinforcement per UG-36(c)(3)(a) Reinforcement Calculations for MAP
UG-37 Area Calculation Summary (cm2) For P = 19.55 kgf/cm2 @ 21 °C
This nozzle is exempt from area calculations per UG-36(c)(3)(a) 4.8 20.6
UG-41 Weld Failure Path Analysis Summary
The nozzle is exempt from weld strength calculations per UW-15(b)(2)
UW-16 Weld Sizing Summary
Weld description Required weld throat size (mm)
Actual weldthroat size (mm) Status
Nozzle to shell fillet (Leg41) 6 6.3 weld size is adequate This opening does not require reinforcement per UG-36(c)(3)(a) Reinforcement Calculations for External Pressure
UG-37 Area Calculation Summary (cm2) For Pe = 2.64 kgf/cm2 @ 87 °C
This nozzle is exempt from area calculations per UG-36(c)(3)(a) 4.5 20.6
UG-41 Weld Failure Path Analysis Summary
Weld strength calculations are not required for external pressure
UW-16 Weld Sizing Summary
Weld description Required weld throat size (mm)
Actual weldthroat size (mm) Status
Nozzle to shell fillet (Leg41) 6 6.3 weld size is adequate This opening does not require reinforcement per UG-36(c)(3)(a)
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MANWAY (M1)
ASME Section VIII Division 1, 2007 Edition, A09 Addenda Metric
tw(lower) = 9.75 mm Leg41 = 9 mm tw(upper) = 13 mm Leg42 = 10 mm Dp = 1,050 mm te = 13 mm
Note: round inside edges per UG-76(c) Located on: LEFT HEAD Liquid static head included: 0.037 kgf/cm2
Nozzle material specification: SA-516 65 (II-D Metric p. 14, ln. 35) (normalized) Nozzle longitudinal joint efficiency: 1 Pad material specification: SA-516 65 (II-D Metric p. 14, ln. 35) (normalized) Pad diameter: 1,050 mm Flange description: 24 inch Class 150 WN A350 LF2 Cl.1
Flange rated MDMT: -49°C (UG-84 provisions apply) (Flange impact tested to -49°C (UCS-66(g))) Liquid static head on flange: 0.037 kgf/cm2 ASME B16.5 flange rating MAWP: 18.45 kgf/cm2 @ 87°C ASME B16.5 flange rating MAP: 19.99 kgf/cm2 @ 21°C ASME B16.5 flange hydro test: 30.59 kgf/cm2 @ 21°C Gasket Description: Flexitallic Spiral Wound CGI 316L S.S. PWHT performed: No Circumferential joint radiography: Full UW-11(a) Type 1 Nozzle orientation: 0° Calculated as hillside: No Local vessel minimum thickness: 9.75 mm End of nozzle to datum line: 4,650 mm Nozzle inside diameter, new: 583.6 mm Nozzle nominal wall thickness: 13 mm Nozzle corrosion allowance: 3 mm Projection available outside vessel, Lpr: 200.72 mm Projection available outside vessel to flange face, Lf: 353.12 mm Distance to head center, R: 0 mm Pad is split: No Reinforcement Calculations for Internal Pressure
UG-37 Area Calculation Summary (cm2) For P = 13.51 kgf/cm2 @ 87 °C
tw(lower) = 13 mm Leg41 = 9 mm tw(upper) = 13 mm Leg42 = 10 mm Dp = 870 mm te = 13 mm
Note: round inside edges per UG-76(c) Located on: SHELL Liquid static head included: 0 kgf/cm2
Nozzle material specification: SA-516 65 (II-D Metric p. 14, ln. 35) (normalized) Nozzle longitudinal joint efficiency: 1 Pad material specification: SA-516 65 (II-D Metric p. 14, ln. 35) (normalized) Pad diameter: 870 mm Flange description: 18 inch Class 150 WN A350 LF2 Cl.1
Flange rated MDMT: -49°C (UG-84 provisions apply) (Flange impact tested to -49°C (UCS-66(g))) Liquid static head on flange: 0 kgf/cm2 ASME B16.5 flange rating MAWP: 18.45 kgf/cm2 @ 87°C ASME B16.5 flange rating MAP: 19.99 kgf/cm2 @ 21°C ASME B16.5 flange hydro test: 30.59 kgf/cm2 @ 21°C Gasket Description: Flexitallic Spiral Wound CGI 316L S.S. PWHT performed: No Circumferential joint radiography: Full UW-11(a) Type 1 Nozzle orientation: 0° Local vessel minimum thickness: 13 mm Nozzle center line offset to datum line: 2,400 mm End of nozzle to shell center: 1,300 mm Nozzle inside diameter, new: 431.2 mm Nozzle nominal wall thickness: 13 mm Nozzle corrosion allowance: 3 mm Projection available outside vessel, Lpr: 497.3 mm Projection available outside vessel to flange face, Lf: 637 mm Pad is split: No Reinforcement Calculations for Internal Pressure
UG-37 Area Calculation Summary (cm2)For P = 13.48 kgf/cm2 @ 87 °C
This nozzle is exempt from area calculations per UG-36(c)(3)(a) 7.8 17.55
UG-41 Weld Failure Path Analysis Summary
The nozzle is exempt from weld strength calculations per UW-15(b)(2)
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UW-16 Weld Sizing Summary
Weld description Required weld throat size (mm)
Actual weldthroat size (mm) Status
Nozzle to shell fillet (Leg41) 4.73 6.3 weld size is adequate This opening does not require reinforcement per UG-36(c)(3)(a)
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Weight Summary
Component
Weight ( kg) Contributed by Vessel Elements
Metal New*
Metal Corroded*
Insulation &Supports &
Fire ProofingLining Piping
+ Liquid Operating
Liquid Test
Liquid
LEFT HEAD 145.2 102.3 0 0 0 277.7 381.3
SHELL 1,596.5 1,231 0 0 0 3,631.4 5,314.9
RIGHT HEAD 164.2 115.5 0 0 0 249.4 343.5
BOOT SHELL 216.8 167.7 0 0 0 196.4 259.2
BOOT HEAD 32.2 24 0 0 0 18.5 24.2
SADDLE 412.8 412.8 0 0 0 0 0
TOTAL: 2,567.6 2,053.3 0 0 0 4,373.5 6,323* Shells with attached nozzles have weight reduced by material cut out for opening.
Component
Weight ( kg) Contributed by Attachments
Body Flanges Nozzles & Flanges Packed
Beds Ladders &Platforms
Rings &Clips
VerticalLoads
New Corroded New Corroded
LEFT HEAD 0 0 434.3 424.7 0 0 0 0
SHELL 0 0 697.4 612.9 0 1,500 20.8 669*
RIGHT HEAD 0 0 52.2 47.4 0 0 0 0
BOOT SHELL 0 0 0 0 0 0 0 0
BOOT HEAD 0 0 6.8 6 0 0 0 0
TOTAL: 0 0 1,190.7 1,091 0 1,500 20.8 669** This number includes vertical loads which are not present in all conditions. Vessel operating weight, Corroded: 9,625 kg Vessel operating weight, New: 10,200 kg Vessel empty weight, Corroded: 5,180 kg Vessel empty weight, New: 5,800 kg Vessel test weight, New: 12,200 kg Vessel center of gravity location - from datum - lift condition Vessel Lift Weight, New: 4,300 kgCenter of Gravity: 2,278.5 mm Vessel Capacity Vessel Capacity** (New): 5,884 liters Vessel Capacity** (Corroded): 5,944 liters **The vessel capacity does not include volume of nozzle, piping or other attachments.
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SADDLE
Saddle material: SA283-C Saddle construction is: Centered web Saddle allowable stress: Ss = 1,101.297 kgf/cm2
Saddle yield stress: Sy = 2,110.818 kgf/cm2
Saddle distance to datum: 650 mm Tangent to tangent length: L = 4,000 mm Saddle separation: Ls = 2,700 mm Vessel radius: R = 663 mm Tangent distance left: Al = 650 mm Tangent distance right: Ar = 650 mm Saddle height: Hs = 1,000 mm Saddle contact angle: = 120 ° Wear plate thickness: tp = 13 mm Wear plate width: Wp = 320 mm Wear plate contact angle: w = 128.6 ° Web plate thickness: ts = 20 mm Base plate length: E = 1,046 mm Base plate width: F = 220 mm Base plate thickness: tb = 20 mm Number of stiffener ribs: n = 3 Largest stiffener rib spacing: di = 345 mm Stiffener rib thickness: tw = 20 mm Saddle width: B = 200 mmAnchor bolt size & type: 20 mm Anchor bolt material: SA36 Anchor bolt allowable shear: 999.999 kgf/cm2
Anchor bolt corrosion allowance: 1.5 mm Anchor bolts per saddle: 4 Base coefficient of friction: = 0.17 Weight on left saddle: operating corr = 5,059.37 kg, test new = 6,359.37 kg Weight on right saddle: operating corr = 4,152.18 kg, test new = 5,428.14 kg Weight of saddle pair = 412.77 kg Notes: (1) Saddle calculations are based on the method presented in "Stresses in Large Cylindrical Pressure Vessels on Two Saddle Supports" by L.P. Zick. Seismic base shear on vessel Vessel is assumed to be a rigid structure. Method of seismic analysis: IBC 2009 ground supported Vertical seismic accelerations considered: Yes Importance factor: I = 1.25Short period spectral response acceleration: Ss = 35.5 percent of g From Table 1613.5.3(1): Fa = 1.2 SMS = Fa*Ss = 1.2*0.355 = 0.426 SDS = (2 / 3)*SMS = 0.284 Fp = 0.3*SDS*I*W*0.7 = 0.3*0.284*1.25*9,211.55*0.7 = 686.72 kgf Saddle reactions due to weight + seismic Vv = vertical seismic force acting on left saddle V = horizontal seismic shear acting on left saddle (worst case if not slotted) Seismic longitudinal reaction, Ql (left saddle): Ql = V*Hs / Ls + 0.14*SDS*W = 686.72*1,000 / 2,699.9997 + 0.14*0.284*5,059.37 = 455.5 kgf Seismic transverse reaction, Qt (left saddle): Qt = V*Hs / (Ro*Sin( / 2 )) + 0.14*S DS*W = 377.18*1,000 / (663*Sin( 120 / 2 )) + 0.14*0.284*5,059.37
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= 858.06 kgf Q = Weight on saddle + larger of Qt or Ql Q = W + Qt = 5,059.37 + 858.06 = 5,917.43 kgf
= 1.1707*100*4,036.55 / (658*10) = 71.816 kgf/cm2 Tangential shear stress is acceptable (<= 0.8*S = 1,044.189 kgf/cm2) Circumferential stress at the left saddle horns (Seismic ,Operating) S4 = -Q / (4*t*(b+1.56*Sqr(Ro*t))) - 12*K3*Q*R / (L*t2) = -100*5,917.43 / (4*10*(200+1.56*Sqr(663*10))) - 12*0.0513*100*5,917.43*658 / (4,000*102) = -644.44 kgf/cm2 Circumferential stress at saddle horns is acceptable (<=1.5*Sa = 1,957.854 kgf/cm2) The wear plate was not considered in the calculation of S4 because the wear plate contact angle did not exceed the saddle contact angle by at least 11.46° and the wear plate width is not at least {B + 1.56*(Rotc)0.5} =327.02 mm Ring compression in shell over left saddle (Seismic ,Operating) S5 = K5*Q / ((t + tp)*(ts + 1.56*Sqr(Ro*tc))) = 100*0.7603*5,917.43 / ((10 + 13)*(20 + 1.56*Sqr(663*23))) = 91.99 kgf/cm2 Ring compression in shell is acceptable (<= 0.5*Sy = 1,055.409 kgf/cm2) Saddle splitting load (left, Seismic ,Operating) Area resisting splitting force = Web area + wear plate area Ae = Heff*ts + tp*Wp = 22.1*2 + 1.3*32 = 85.8 cm2 S6 = K8*Q / Ae = 100*0.2035*5,917.43 / 8,579.9996 = 14.035 kgf/cm2 Stress in saddle is acceptable (<= (2 / 3)*Ss = 734.198 kgf/cm2) Longitudinal stress at the left saddle (Seismic ,Vacuum) Le = 2*(Left head depth) / 3 + L + 2*(Right head depth) / 3 = 2*334.75 / 3 + 4,000 + 2*334.75 / 3 = 4,446.33 mm Seismic vertical acceleration coefficient m = 0.5333*0.0746 = 0.0398 w = Wt*(1 + m)*10 / Le = 9,211.55*(1 + 0.0398)*10 / 4,446.33 = 21.54 kgf/cm Bending moment at the left saddle: Mq = w*(2*H*Al / 3 + Al
2 / 2 - (R2 - H2) / 4) = 21.54 / 10000*(2*334.75*650 / 3 + 6502 / 2 - (6632 - 334.752) / 4) = 591.1 kgf-m S2 = +- Mq*K1' / ( *R 2*t) = 591.1*1e5*9.3799 / ( *658 2*10) = 40.764 kgf/cm2 Sp = P*R / (2*t) = 0.5*653 / (2*10) = 16.325 kgf/cm2 Maximum tensile stress (shut down) S2t = S2 = 40.764 kgf/cm2 Maximum compressive stress S2c = S2 + Sp = 57.089 kgf/cm2 Tensile stress is acceptable (<=1*S = 1,305.236 kgf/cm2) Compressive stress is acceptable (<=1*Sc = 1,033.068 kgf/cm2) Shear stress in anchor bolting, one end slotted Maximum seismic or wind base shear = 686.72 kgf Thermal expansion base shear = W* = 5,265.75*0.17 = 895.18 kg f Corroded root area for a 20 mm bolt = 1.6045 cm2 ( 4 per saddle ) Bolt shear stress = 895.18 / (1.6045*4) = 139.478 kgf/cm2 Anchor bolt stress is acceptable (<= 999.999 kgf/cm2)
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Web plate buckling check (Escoe pg 251) Allowable compressive stress Sc is the lesser of 1,101.297 or 7,926.926 kgf/cm2: (1,101.297) Sc = Ki* 2*E / (12*(1 - 0.32)*(di / ts)2) = 1.28* 2*20.39E+05 / (12*(1 - 0.32)*(345 / 20)2) = 7,926.926 kgf/cm2 Allowable compressive load on the saddle be = di*ts / (di*ts + 2*tw*(b - 25.4))*25.4 = 345*20 / (345*20 + 2*20*(200 - 25.4))*25.4 = 12.62 Fb = n*(As + 2*be*ts)*Sc = 3*(3,600 + 2*12.62*20)*1,101.297 = 135,622.37 kgf Saddle loading of 6,565.75 kgf is <= Fb; satisfactory. Primary bending + axial stress in the saddle due to end loads (assumes one saddle slotted) b = V*(Hs - xo)*y / I + Q / A = 686.72*(1,000 - 548.3)*100 / (100*4,040) + 100*5,917.43 / 33,766.99 = 94.305 kgf/cm2 The primary bending + axial stress in the saddle <= 1,101.297 kgf/cm2; satisfactory. Secondary bending + axial stress in the saddle due to end loads (includes thermal expansion, assumes one saddle slotted) b = V*(Hs - xo)*y / I + Q / A = 1,581.9*(1,000 - 548.3)*100 / (100*4,040) + 100*5,917.43 / 33,766.99 = 194.393 kgf/cm2 The secondary bending + axial stress in the saddle < 2*Sy= 4,221.637 kgf/cm2; satisfactory. Saddle base plate thickness check (Roark sixth edition, Table 26, case 7a) where a = 345, b = 100 mm tb = ( 1*q*b2 / (1.5*Sa))0.5 = (3*2.853*1002 / (1.5*1,101.297))0.5 = 7.2 mm The base plate thickness of 20 mm is adequate. Foundation bearing check Sf = Qmax / (F*E) = 6,565.75 / (220*1,046) = 2.853 kgf/cm2 Concrete bearing stress ≤ 76 kgf/cm2 ; satisfactory.
Allowable Stress set to 1/3 Sy per ASME B30.20 NoSummary Values Required Lift Pin Diameter, dreqd 14.23 mm
Required Lug Thickness, treqd 3.25 mm
Lug Stress Ratio, ratio 0.31
Weld Shear Stress Ratio, ratio 0.57
Lug Design Acceptable
Local Stresses Acceptable Lift Forces Fr = force on vessel at lug Fr = 0.5*[W / cos( 1)]*(1 - x1 / (x1 + x2)) = (4,300.1) / cos(15.0000)*(1 - 1,071.5/ (1,071.5 + 1,628.5)) = 2,685.1 kgf
62/88
byon
스탬프
where 'x1' is the distance between this lug and the center of gravity 'x2' is the distance between the second lift lug and the center of gravityLug Pin Diameter - Shear stress dreqd = (2*Fr / ( * s))0.5
= (2*2,685.1 / ( *844.3)) 0.5 = 14.23 mm dreqd / Dp = 14.23 / 47 = 0.30 Acceptable = Fr / A = Fr / (2*(0.25* *D p
Applied Loads Radial load: Pr = 694.95 kgf Circumferential moment: Mc = 293.08 kgf-m Circumferential shear: Vc = 2,593.6 kgf Longitudinal moment: ML = 0 kgf-m Longitudinal shear: VL = 0 kgf Torsion moment: Mt = 0 kgf-m Internal pressure: P = 0 kgf/cm2 Mean shell radius: Rm = 656.5 mm Shell yield stress: Sy = 2,457.51 kgf/cm2 Maximum stresses due to the applied loads at the lug edge (includes pressure) Rm / t = 656.5 / 26 = 25.25 C1 = 19, C2 = 74 mm Local circumferential pressure stress = P*Ri / t =0 kgf/cm2 Local longitudinal pressure stress = P*Ri / (2*t) =0 kgf/cm2 Maximum combined stress (PL+Pb+Q) = -872.58 kgf/cm2 Allowable combined stress (PL+Pb+Q) = +-3*S = +-3,915.71 kgf/cm2
Height(radial): 165 mm Pad Thickness: 13 mmWidth (circumferential): 20 mm Pad Width: 100 mmLength 130 mm Pad Length: 180 mmFillet Weld Size: 9 mm Pad Weld Size: 10 mmLocation Angle: 90.00°
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The maximum combined stress (PL+Pb+Q) is within allowable limits. Maximum local primary membrane stress (PL) = -27.14 kgf/cm2 Allowable local primary membrane (PL) = +-1.5*S = +-1,957.85 kgf/cm2 The maximum local primary membrane stress (PL) is within allowable limits.
Combined stress (PL+Pb+Q) 262.667 262.737 262.667 262.737 -872.579 829.41 581.087 -609.35 Note: * denotes primary stress. Maximum stresses due to the applied loads at the pad edge (includes pressure) Rm / t = 656.5 / 13 = 50.5 C1 = 60, C2 = 100 mm Local circumferential pressure stress = P*Ri / t =0 kgf/cm2 Local longitudinal pressure stress = P*Ri / (2*t) =0 kgf/cm2 Maximum combined stress (PL+Pb+Q) = -1,573.4 kgf/cm2 Allowable combined stress (PL+Pb+Q) = +-3*S = +-3,915.71 kgf/cm2 The maximum combined stress (PL+Pb+Q) is within allowable limits. Maximum local primary membrane stress (PL) = -165.57 kgf/cm2 Allowable local primary membrane (PL) = +-1.5*S = +-1,957.85 kgf/cm2 The maximum local primary membrane stress (PL) is within allowable limits.
S = 0.6*Sy = 0.6 x 21.108 = 12.665 KG/MM² ( SA285-C )
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MANHOLE BLIND FLANGE WEIGHT WL = 190.0 KG THICKNESS OF HANGE t = 15.0 MM WELD THROAT AT HOOK TO FLANGE J = 6.0 MM LENGTH OF HOOK AT BOTTOM L = 50.0 MM HOOK HOLE RADIUS r = 18.0 MM HOOK OUTSIDE RADIUS R = 25.0 MM ALLOWABLE STRESS OF HOOK Sa = 11.013 KG/MM² ALLOWABLE STRESS OF EYE & HEX BOLT Sb = 17.539 KG/MM² HEX BOLT AREA (M16) Ah = 150.3 MM² EYE BOLT AREA (M20) Ae = 234.9 MM² DYNAMIC FACTOR F = 1.5
1. HANGE DESIGN
1) SHEAR STRESS CHECK
A = t x (R - r) = 105.000 MM
S1 = F x WL / A = 2.714 KG/MM² < 0.8 Sa = 8.81 KG/MM² - O.K -
2) TENSION STRESS
A = t x (R - r) = 105.000 MM
S2 = F x WL / 2A = 1.357 KG/MM² < Sa = 11.013 KG/MM² - O.K -
3) STRESS AT HOOK TO FLANGE JUNCTION
S3 = F x WL / [2 (2 J x L)]
= 0.238 KG/MM² < 0.55 Sa = 6.057 KG/MM² - O.K -
2. HEX BOLT DESIGN
1) AXIAL STRESS
S4 = F x WL / Ah = 1.896 KG/MM² < Sb = 17.539 KG/MM² - O.K -
3. EYE BOLT DESIGN
1) SHEAR STRESS
S5 = F x WL / Ae = 1.213 KG/MM² < 0.8 Sb = 14.031 KG/MM² - O.K -