Notes: Unless otherwise specified by the customer.Ring Type Joint Tlanges will be furnished in accordance with these delails. The depth of groove is added to the minmum flange thickness *Raised face L is equal to groove dimension E but is not subject to tolerances for E *A plus tolerance of 3/64 in . For heights B and H is permitted providing the variaton in the height of any given ring does nnot exceed 1/64 in. Throuthout its entire circumference. Dimeneion R is max Radius r is 1/16 for ring widths 7/8 and less and 3/32 for ring WIDTHS 1 (25.4mm)and over. 39.7 44.5 50.8 60.3 68.3 95.3 108.0 136.5 161.9 193.7 211.2 269.9 323.9 381.0 419.1 469.9 533.4 584.2 692.2 8.0 8.0 8.0 8.0 8.0 11.1 11.1 11.1 11.1 11.1 12.7 15.9 15.9 22.2 25.4 28.6 28.6 31.8 34.9 12.7 12.7 12.7 12.7 12.7 15.9 15.9 15.9 15.9 15.9 17.5 20.7 20.7 27.0 31.8 34.9 34.9 38.1 41.3 14.3 14.3 14.3 14.3 14.3 17.5 17.5 17.5 17.5 17.5 19.1 22.2 22.2 28.6 33.4 36.5 36.5 39.7 44.5 4.1 4.1 4.1 4.1 4.1 3.0 3.0 3.0 3.0 3.0 3.0 4.1 4.1 4.8 5.6 7.9 7.9 9.7 11.2 R12 R14 R16 R18 R20 R24 R27 R35 R39 R44 R46 R50 R54 R58 R63 R67 R71 R75 R79 60.5 60.5 60.5 81.0 92.2 124.0 136.7 168.4 193.8 228.6 247.7 317.5 371.6 438.2 489.0 546.1 612.9 673.1 793.8 6.4 6.4 6.4 6.4 6.4 7.9 7.9 7.9 7.9 7.9 9.5 11.1 11.1 14.3 15.9 17.5 17.5 17.5 20.6 8.7 8.7 8.7 8.7 8.7 11.9 11.9 11.9 11.9 11.9 13.5 16.7 16.7 23.0 27.0 30.2 30.2 33.4 36.5 5.2 5.2 5.2 5.2 5.2 7.7 7.7 7.7 7.7 7.7 8.7 10.5 10.5 14.8 17.3 19.8 19.8 22.3 24.8 1 2 / 3 4 / 1 1 2 2 2 3 1 1 10 12 14 10 12 14 16 18 20 24 1 / / 4 2 1 1 / / 2 2 17 All units are in mm, except the Nominal Pipe Size in inches. ANSI / ASME B16.5 (2003) Pipe Flanges Nominal Pipe Size Pitch Diam.of Ring and Groove Width of Ring Oval Octagonal Width of Flat on Octagonal Rings Width of Groove Depth of Groove Ring Number Diameter of Raised Face for Ring Joint or Lapped P A B H C F E(L) K(MIN) Approximdte Distance Between Flanges of Ring Joints When Ring in Compressed HEIGHT OF RING P L L L K P K P K R 0.8mm 0.2mm 23 H C B A A 0.2mm 0.2mm 1 1 64 64 E 1 64 + F 23 1 2 1 2 r Octagonal Ring Oval Ring 0.03 NPS5 0.06 = N PS6 -12 0.09 NPS14 WELDING NECK SLIP-ON THREADED R= R=
15
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ANSI / ASME B16.5 (2003) Pipe Flanges - · PDF fileANSI B16.5 (ASME B16.5: 2003) Pipe Flanges 19 STOCK FINSH The most widely use d of any gasket finish, bec ause practi cally.IS SUITABLE
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Notes:Unless otherwise specified by the customer.Ring Type Joint Tlanges will be furnished in accordance with these delails.The depth of groove is added to the minmum flange thickness*Raised face L is equal to groove dimension E but is not subject to tolerances for E*A plus tolerance of 3/64 in . For heights B and H is permitted providing the variaton in the height of any given ring does nnot exceed 1/64 in.Throuthout its entire circumference.Dimeneion R is maxRadius r is 1/16 for ring widths 7/8 and less and 3/32 for ring WIDTHS 1 (25.4mm)and over.
39.7
44.5
50.8
60.3
68.3
95.3
108.0
136.5
161.9
193.7
211.2
269.9
323.9
381.0
419.1
469.9
533.4
584.2
692.2
8.0
8.0
8.0
8.0
8.0
11.1
11.1
11.1
11.1
11.1
12.7
15.9
15.9
22.2
25.4
28.6
28.6
31.8
34.9
12.7
12.7
12.7
12.7
12.7
15.9
15.9
15.9
15.9
15.9
17.5
20.7
20.7
27.0
31.8
34.9
34.9
38.1
41.3
14.3
14.3
14.3
14.3
14.3
17.5
17.5
17.5
17.5
17.5
19.1
22.2
22.2
28.6
33.4
36.5
36.5
39.7
44.5
4.1
4.1
4.1
4.1
4.1
3.0
3.0
3.0
3.0
3.0
3.0
4.1
4.1
4.8
5.6
7.9
7.9
9.7
11.2
R12
R14
R16
R18
R20
R24
R27
R35
R39
R44
R46
R50
R54
R58
R63
R67
R71
R75
R79
60.5
60.5
60.5
81.0
92.2
124.0
136.7
168.4
193.8
228.6
247.7
317.5
371.6
438.2
489.0
546.1
612.9
673.1
793.8
6.4
6.4
6.4
6.4
6.4
7.9
7.9
7.9
7.9
7.9
9.5
11.1
11.1
14.3
15.9
17.5
17.5
17.5
20.6
8.7
8.7
8.7
8.7
8.7
11.9
11.9
11.9
11.9
11.9
13.5
16.7
16.7
23.0
27.0
30.2
30.2
33.4
36.5
5.2
5.2
5.2
5.2
5.2
7.7
7.7
7.7
7.7
7.7
8.7
10.5
10.5
14.8
17.3
19.8
19.8
22.3
24.8
12/
34/
1
1
2
2
2
3
1
1
10
12
14
10
12
14
16
18
20
24
1
/
/
4
2
1
1
/
/
2
2
17
All units are in mm, except the Nominal Pipe Size in inches.ANSI / ASME B16.5 (2003) Pipe Flanges
Nominal
Pipe
Size
Pitch
Diam.of
Ring and
Groove
Width of
RingOval Octagonal
Width of
Flat on
Octagonal
Rings
Width of
Groove
Depth of
Groove Ring
Number
Diameter
of Raised
Face for
Ring Joint
or Lapped
P A B H C F E(L) K(MIN)
ApproximdteDistanceBetween
Flanges ofRing Joints
When Ring inCompressed
HEIGHT OF RING
P
L L L
K
P
K
P
K
R
0.8mm
0.2mm
23
H
C
B
AA
0.2mm
0.2mm
1 164 64
E1 64+
F
23 1 2
1 2
r
Octagonal Ring Oval Ring
0.03 NPS5 0.06 = N P S6 -12 0.09 NPS14
WELDING NECK SLIP-ON THREADED
R=R=
All units are in mm, except the Nominal Pipe Size in inches.
Notes:Unless otherwise speciied by the customer . Ring Type Joint Flanges will be finished in accordance with these details.The depth of groove is added to the minimum f lange thickness*Raised face L is equal to groove dimension E but is not subject to tolerances for E*A plus tolerance of 3/64 in . Throuthout its entire circumference. Exceed1/64 in . Throuthout its entire circumference.Dimension R is max.Radius r 1/16 for ring widths7/8 and les and 3/32 for ring widths 1 25.4mm and over
42.9
50.8
60.3
R13
R16
R18
R21
R23
R26
R28
R32
R38
R42
R47
R51
R55
R60
4.1
4.1
4.1
3.0
3.0
3.0
3.0
3.0
4.1
4.1
4.1
4.8
6.4
7.9
65.0
73.2
82.6
101.6
114.3
133.4
149.4
168.4
203.2
241.3
279.4
339.9
425.5
495.3
6.4
6.4
6.4
7.9
7.9
7.9
9.5
9.5
11.1
12.7
12.7
14.3
17.5
17.5
8.7
8.7
8.7
11.9
11.9
11.9
13.5
13.5
16.7
19.8
19.8
23.0
30.2
33.4
5.2
5.2
5.2
7.7
7.7
7.7
8.7
8.7
10.5
12.3
12.3
14.8
19.8
22.3
12.7
12.7
12.7
15.9
15.9
15.9
17.5
17.5
20.7
23.8
23.8
27.0
34.9
38.1
14.3
14.3
14.3
17.5
17.5
17.5
19.1
19.1
22.2
25.4
25.4
28.6
36.5
39.7
8.0
8.0
8.0
11.1
11.1
11.1
12.7
12.7
15.9
19.1
19.1
22.2
28.6
31.8
72.2
82.6
101.6
111.1
127.0
157.0
190.5
228.6
279.4
342.9
406.4
18
1/23/4
1
42
1/1/
112
568
1012
34
1/22
ANSI / ASME B16.5 (2003) Pipe Flanges
Nominal
Pipe
Size
Pitch
Diam.of
Ring and
Groove
Width of
Ring Oval Octagonal
Width of
Flat on
Octagonal
Rings
Width of
Groove
Depth of
Groove Ring
Number
Diameter
of Raised
Face for
Ring Joint
or Lapped
P A B H C F E(L) K(MIN)
ApproximdteDistanceBetween
Flanges ofRing Joints
When Ring isCompressed
HEIGHT OF RING
P
L L L
K
P
K
P
K
R
0.8mm
0.2mm
23
H
C
B
AA
0.2mm
0.2mm
1 164 64
E1 64+
F
23 1 2
1 2
r
Octagonal Ring Oval Ring
0.03 NPS2 0.06 = N P S21/2 -8 0.09 NPS10
WELDING WEAK SLIP-ON THREADED
R=
ANSI B16.5 (ASME B16.5: 2003) Pipe Flanges
19
STOCK FINSH The most widely used of any gasket finish, because practically.IS SUITABLE FOR ALL ORDINARY SERVICE CONDITIONS
This is a continuous spiral .Flanges sizes 12 (304.8mm)and smaller,are produced with a 1/16 round - nosed
tool at a feed of 1/32 per revolution.For sixes 14 (355.6mm) and larger, the finisn is made with 1/8 round- nosed tool at a feed of 3/64 per revolution.
SPIRAL SERRATED OR PHONOGRAPHIC:This finish is produced by using a 90 round - nosed tool.
CONCENTRLC SERRATED:This finish a produced by using a 90 round-noise tool.
SMOOTH FINISH:The cutting tool employed shall have an approximate 0.06 radius.
The resultant surface finish shall have a 125 inch to 250 inch(ANSL B16.5 para 6.4;4.1)
1 RAISED FACE,AND LARGE MALE AND FEMALE
Either a serrated - concentric or serratded-spiral finish having from 34 to 64 grooves per inch is ubed.
The cutting tool employed has an approximate 0.06 in radous. The resultant surface finish shall have a
125 inch(3.2 m) to 500 inch(12.5 m) approximate roughness.
2 TONGUE AND GROOVE.AND SMALL MAKE AND FEMALE
The gasket contact surface does not edceed 125 in.(3.2 m) roughness.
3 RING JOINT
The inside wall surface of gasket groove does not exceed 63 in(1.6m) roughness.
4 BLIND
Blind flanges need not be faced in the center if ,when this center part is raised, its diameter is at least in.
Smaller than the inside diameter of fittings of the corresponding pressure class.When the center part is depressed,
its diameter is not greater than the inside diameter of the corresponding pressure class fittings. Machining of the
depressed center is not required.
3
2
441
1
2
3
4
1 1816
1.61 3
32 64
0.05
0.00197
0.8
0.06
0.0022
3.2 1.2
0.8
90
Notes This tolerance is covared in ANSI B 16.5,but make soption
20
OutsiedDiameter
When O.D Is24'' or Less
When O.D IsOver 24 ''
1/16''(1.6mm)
1/8''(3.2mm)
InsideDiameter
ThreadedWithin Limits on
boring gauge
Socket-Welding,Silp-on and
Lap joint
10'' & Smaller+1/32''(0.8mm).,-0''
12'' & Larger+11/16’'(1.6mm),-0
OutsideDiameter
of Hub
5'' and Smaller
6'' and Larger
+3/32'' (2.4mm)-1/32''(0.8mm)
+5/32'' (4.0mm)-1/32''(0.8mm)
Diameterof Contact
Face
1/16'' Raised Face 1/32''(0.8mm)
1/4'' Raised FaceTongue & Groove
Male. Female1/64''(0.4mm)
Diameterof
Counterbore
Same as forInsied Diameter
Driling
Bolt Circle 1/16''(1.6mm)
Bolt Hole Spacing 1/32''(0.8mm)
Eccentricity ofBolt Circle with
Respect to Facing
2 / 2''Smaller1 / 32''(0.8mm) Max.
3''& Larger1 / 16''(1.6mm) Max.
1
Eccentricity ofBolt Circle with
Respect to Facing1/32''(0.8mm) Max.
Eccentricity ofFacing with
Respect to Bore1/32''(0.8mm) Max.
Thickness
Length
Thru Hub
18'' and Smaller
20'' and Larger
10'' and Smaller
12'' and Larger
1/8'' (3.2mm). -0''
3/16'' (4.8mm). -0''
1/16'' (1.6mm)
1/8'' (3.2mm)
OutsiedDiameter
When O.D Is24'' or Less
When O.D IsOver 24 ''
1/16''(1.6mm)
1/8''(3.2mm)
InsideDiameter
10'' and Smaller 1/32'' (0.8mm)
12'' thru 18'' 1/16'' (1.6mm)
Diameterof Contact
Face
When Hub Base is24'' or Smaller
When Hub Base isOver 24''
1/16''(1.6mm)
1/8''(3.2mm)
Diameter ofHub at Pointof Welding
5'' and Larger+3/32'' (2.4mm)-1/32'' (0.8mm)
6'' and Larger+5/32'' (2.4mm)]-1/32'' (0.8mm)
20'' and Larger+1/8'' (3.2mm)-1/16''(1.6mm)
Driling
Bolt Circle 1/16''(1.6mm)
Bolt Hole Spacing 1/32''(0.8mm)
Eccentricity ofBolt Circle with
Respect to Facing
2 / 2''Smaller1 / 32''(0.8mm) Max.
3''& Larger1 / 16''(1.6mm) Max.
1
Eccentricity ofBolt Circle withRespect to Bore
1/32''(0.8mm) Max.
Eccentricity ofFacing with
Respect to Bore1/32''(0.8mm) Max.
Thickness
18'' and Smaller
20'' and Larger
10'' and Smaller
12'' and Larger
1/8'' (3.2mm). -0''
3/16'' (4.8mm). -0''
1/16'' (1.6mm)
1/8'' (3.2mm)
LengthThru Hub
All units are in mm, except the Nominal Pipe Size in inches.
t
d
a
d
DDD
T
Dd
d1
tt T
O
C f3
C
F
f4
3
4
1
f
f
F
C
C
CC
1
2
3
4
3
3
4
SOLID FLANGE SILP-ON FLANGE WELDING NECK FLANGETYPE OF GSKET SUVFAVE
MALK & FAMALE TYPE TONGUE & GROOVE TYPT
21
All units are in mm, except the Nominal Pipe Size in inches.
R
R
W
S
X
U
R
W
Z
U
T
Y
Z
O
S
X
K
R
22
ANSI / ASME B16.5 (2003) Pipe Flanges
NominalPipeSize
OUTSIED DIAMETER
RaisedFace.
Lapped.Large
Male andLarge
Tongue
SmallMale
SmallTongue
I.D.ofLarge and
SmallTongue
OUTSIDE DIAMETER
LargeFemale
and LargeGroove
SmallFemale
SmallGroove
I.D.ofLarge and
Groove
HELGHT
RaisedFace
and 300ST' DS
Raised FaceLarge and
SmallMale andTongue
Classes 4002500
ST' DS
Depth ofGroove or
Female
R S T U W L X Y Z
1/2
3/4
1
1/4
1/2
1
1
1/233
456
81012
141618
2024
584.2692.2
501.7603.3
558.8666.8
533.4641.4
585.7693.7
595.4703.3
35.142.950.8
63.573.291.9
38.144.557.2
68.384.196.8
109.5136.7162.1
212.9266.7317.5
349.3400.1450.9
157.2185.7215.9
269.7323.9381.0
412.8469.9533.4
18.323.930.2
35.142.947.8
57.263.582.6
95.3117.3130.0
144.5173.0203.2
254.0304.8362.0
393.7447.5511.0
25.433.338.1
47.853.873.2
65.074.793.7
106.4128.5141.2
158.8187.5217.4
271.5325.4382.5
414.3471.4534.9
85.9108.0120.7
131.8160.3190.5
238.3285.8342.9
374.7425.5489.0
36.644.552.3
46.053.862.0
74.784.1
103.1
115.8138.2150.9
168.1196.9227.1
280.9335.0392.2
423.9481.1544.1
19.825.431.8
39.646.058.7
69.985.998.6
111.3138.2163.6
214.4268.2319.0
350.8401.6452.4
503.2604.8
36.644.549.3
58.765.084.1
96.8119.1131.8
146.1174.8204.7
255.5306.3363.5
395.2449.3512.8
560.3668.3
23.931.836.6
46.052.371.4
84.1106.4119.1
130.0158.0189.0
236.5284.2341.4
373.1423.9487.4
531.9639.8
1.51.51.5
6.46.46.4
6.46.46.4
6.46.46.4
6.46.46.4
6.46.46.4
6.46.46.4
6.46.4
4.84.84.8
4.84.84.8
4.84.84.8
4.84.84.8
4.84.84.8
4.84.84.8
4.84.8
1/22
2
104.6127.0139.7
1.51.51.5
1.51.51.5
1.51.51.5
1.51.51.5
1.51.51.5
1.51.51.5
All units are in mm, except the Nominal Pipe Size in inches.
Notes:
1)Small male and female faces are not appilcable to Slip-on Flange.
2)Large male and female faces are not applicable to Class 150
Flanges.
3)For flanges of Class 150 and 300 where they are to be bolted to
ANSI Class 125 and 250 Cast-Iron Flanges or requited with flat
face,flat face can be made by removing raised face.* Tolerances are 0.03 (+0.8mm) for 0.06 (1.6mm) RF and