Automation products available: • PumpExpert • Hyamaster • hyatronic Type series Material variant Version with inducer Discharge nozzle DN Nominal impeller dia. in mm Special hydraulics (B-hydraulics) RPH S1 I 80 - 280 B Type series booklet 1316.52-10 G2 RPH Process pumps to API 610, 10th edition and ISO 13709 Standard bearing assemblies B 02 to B 06 Tandem bearing assemblies B 02 to B 06 Cooled/uncooled Mechanical seal Made by KSB Fields of Application RPH pumps are mainly used in refineries as well as in chemical and petrochemical plants. Design Horizontal, radially split volute casing pumps in back pull-out design, to API 610, 10th edition, and ISO 13709 (heavy duty), with radial impeller, single-flow, single-stage, centreline pump feet. Pump model with inducer available on request. Designation Operating Data Pump sizes DN 25 to 400 Capacities Q up to 4.150 m 3 /h Heads H up to 270 m Operating pressures p up to 51 bar (ASME B 16.5 class 300) for A216 Gr. WCB Higher pressures and flange pressure ratings on request Operating temperatures t -70 to +450 °C down to -110 °C on request Certification Certified quality management ISO 9001.
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Automation products available:
• PumpExpert• Hyamaster• hyatronic
Type seriesMaterial variantVersion with inducerDischarge nozzle DNNominal impeller dia. in mmSpecial hydraulics (B-hydraulics)
RPH S1 I 80 - 280 B
Type series booklet1316.52-10 G2 RPH
Process pumps
to API 610, 10th edition and ISO 13709Standard bearing assemblies B 02 to B 06Tandem bearing assemblies B 02 to B 06
Cooled/uncooledMechanical seal
Made by KSB
Fields of ApplicationRPH pumps are mainly used in refineries as well as in chemicaland petrochemical plants.
DesignHorizontal, radially split volute casing pumps in back pull-outdesign, to API 610, 10th edition, and ISO 13709 (heavy duty),with radial impeller, single-flow, single-stage, centreline pumpfeet.Pump model with inducer available on request.
Designation
Operating DataPump sizes DN 25 to 400Capacities Q up to 4.150 m3/hHeads H up to 270 mOperating pressures p up to 51 bar
(ASME B 16.5 class 300)for A216 Gr. WCBHigher pressures and flangepressure ratings on request
Operating temperatures t -70 to +450 °Cdown to -110 °C on request
CertificationCertified quality management ISO 9001.
Flanges to all standards up toPN 100 equivalent (ASMEClass 600)
Max. shaft diameter in acc. with API 610makes for very long service life ofmechanical seal
Bearings dimensioned forlonger service life thanspecified by API 610,reducing maintenanceexpenditure and work
Double volute from DN 80 (3 in.)- low radial load and less shaft deflection⇒ longer service life of bearings andmechanical seal
“Low Nss hydraulics” (Induceron option) for optimumselection to API
Individual adjustment of axialthrust balancing for maximumbearing life.
Seal chamber to API 610accommodates all mechanicalseals to API 682
Steel bearing bracket with integratedcooling fins (fan impeller on option: nocooling water circuit required for hightemperatures)
Optional: other labyrinth sealmanufacturers (Pro Tech, ...)Optional: fan impeller
RPH
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Product Features / Benefits
Operating temperature t °Ξ
Max.pumpdischargepressure
pd[bar]
0.00
10.00
20.00
30.00
40.00
50.00
60.00
70.00
80.00
90.00
100.00
110.00
120.00
--50 0 50 100 150 200 250 300 350 400 450
A487 Gr. CA6NM
A351 Gr. CF3M / CF8M
A 216 Gr. WCB
A351 Gr. CD4MCu
A217 Gr. CA15
RPH
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Pressure and Temperature LimitsPressure and temperature limits for pressure-retaining components(Bearing brackets B02-B06)
Average values - the values of individual pump sizes may behigher or lower than the values indicated. (Contact KSB.)
Mechanical sealsThe application limits of mechanical seals depend on thecircumferential speed, the material and the fluid handled.Installation to API 682/ISO 21049 and pump design with dryshaft possible.
1) Casing with double volute2) Complementary sizes, only 4-pole drive possible
Pump casingRadially split, consisting of volute casing and casing cover. Thecasing cover can be heated or cooled, if required (optional).Volute casing with casing wear rings. Casing cover with casingwear rings (depending on axial thrust balancing).Centreline pump feet.To reduce the hydraulic radial forces acting on the shaft andbearings, which increase with pump size and head, the casingof pumps with DN 80 and above has a double volute (except forpump sizes 80-180 and 100-180).
Nozzle positionsAxial inlet; on complementary sizes (see above) radialdischarge pointing vertically upwards, otherwise tangentialdischarge.
BalancingBalancing of axial thrust by sealing gap and balancing holes (ifrequired).
Minimum flowUnless specified otherwise in the individual characteristic cur-ves, the following applies:Qmin = 0.1 . Qopt. for short operationQmin = 0.3 . Qopt. for continuous operation
InducerTo improve the NPSH value, the pumps can be supplied withinducer. Pump designation: RPHI.
Bearing lubricationBearingbracket
Oil fill in l Bearingbracket
Oil fill in l
B 02 0.9 B 05 2.5B 03 1.8 B 06 5.7
Lubricating oil types C 46 DIN 51 517 or SAE 20W/ 20 HD shallbe used.On the standard pump design, the bearing bracket is uncooled.A coolable bearing bracket is available as special pumpdesign.
The bearings are oil bath lubricated. An oil thrower can be fitted(please contact KSB Pegnitz). Oil mist lubrication is alsopossible.A triple bearing design is available for handling extremeoperating conditions.NPT threads are provided for cooling liquid connection,constant-level oiler, oil drain and vent plug.The bearings are designed for at least 25,000 operating hoursas per API 610/10th edition.During pump standstill the oil level can be checked against themark next to the oil level sight glass.
Shaft sealThe pump is fitted with mechanical seals. The mechanical sealchamber is designed in acc. with API 610, 10th edition.Mechanical seals are provided in cartridge design only (API682)!
Barrier liquid / Flushing liquidBarrier liquid: (general)Barrier liquid is used to isolate the pumped fluid from theenvironment. The space between the mechanical seals mustbe supplied with a liquid from an external source which issuitable for mixing with the fluid handled.
Pressurized dual mechanical seal:The pressure should be approx. 1.5 bar higher than thepressure pw to be sealed off. For bearing bracket B 02, 2 to3 l/min of barrier liquid will be required.For bearing brackets B 03 to B 06, a barrier liquid rate of 4 to7 l/min will be required.The heat generated at the seal faces can only be dissipated ifthe barrier liquid is circulated. This can be achieved by meansof forced circulation using a pump or a pumping ring in themechanical seal or natural circulation using the thermosyphoneffect (gravity). Please contact KSB Pegnitz if the mechanicalseal chosen is not equipped with a pumping device.
Flushing liquid:Flushing liquid is used to prevent the penetration of solids intothe seal chamber when pumping abrasive fluids. A possibleflushing liquid is the pumped fluid itself, if it is free of solids, oran externally supplied liquidwhich is suitable formixing with thepumped fluid.Flushing the shaft seal requires approx. 3 to 5 l/min of flushingliquid. The pressure of the flushing liquid should be approx.1 bar higher than the pressure pw being sealed.
Preferred mechanical seals: cartridge seals based onstandardized mechanical seals to EN 12756 or mechanicalseals to API 682 can be fitted.
Discharge nozzle
Suction nozzle
RPH
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Coating and Preservation (to AN 1865)Material class (Europe)
RPH S-1, C-6 < 150 °C N 1 1 1 WRPH S-1, C-6 ≥ 150 °C N 7 7 7 WRPH A8 < 150 °C N 0 1 1 URPH A8 ≥ 150 °C N 0 7 7 U
aluminium-greyU = steel shot blastingW = rinsed with water repellent; bright parts liable to rust with
protective coating
Acceptance Tests / GuaranteesEach pump is subjected to a performance test, and its dutypointis guaranteed according to ISO 9906/2.Requirements as per API 610, section 4.3, fulfilled.
The following acceptance tests may be performed at extracharge:Performance test API 610 1 measuring point /
5 measuring pointsPerformance test ISO 9906/1 1 measuring point /
5 measuring pointsPerformance test ISO 9906/2 1 measuring point /
5 measuring pointsPerformance test ISO 9906/2A 1 measuring point /
5 measuring pointsNPSH test 1 measuring point/
5 measuring pointsWarranties are given within the scope of the valid deliveryconditions.
External Nozzle Forces and Moments
The nozzle forces stipulated in API 610 are exceeded.Pumpi
Suction nozzle Discharge nozzlepsizes Forces (in N) Moments (in Nm) Forces (in N) Moments (in Nm)
Fx Fy Fz Fres Mx My Mz Mres Fx Fy Fz Fres Mx My Mz Mres
638 NPT 1/4-18 NPT 1/4-18 Constant-level oiler1) only if required; the pump is self-venting2) for version with drain line please refer to the general assembly drawing3) not for uncooled design4) NPT 3/4-14 on bearing brackets B05 and B06
uncooled
cooled
D01040/3
RPH
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General assembly drawingsMaterial class S, cooled/uncoooledBearing brackets B 02 to B 05
When ordering spare parts, please always specify:Type series, works No. (stamped on the name plate and on the suction nozzle flange),year of construction, quantity required, part No., description, material, fluid handled,general assembly drawing No. and mode of dispatch.
Part No. Description Scope of supply102 Volute casing with joint ring 411.10, casing wear ring 502.01, stud 902.01,
161 Casing cover with joint ring 411.10, O-ring3) 412.01/.31, casing wear ring 502.021),hex. head bolt 901.30, stud 902.15, grub screw 904.041), plug 916.16,hex. nut 920.15
210 Shaft with keywayed nut 920.21, lockwasher 931.01, key 940.01/.02230 Impeller with impeller wear ring 503.01/.02, grub screw 904.06/.07,
joint ring 411.31/.32/.67 (optional), lockwasher 931.02,320.02/550 2) Angular contact ball bearing with ring 550 (adjusting washer)322.01 Cylindrical roller bearing330 Bearing bracket (compl.) with protective cage 169.10, bearing cover 360.01/.02, gasket 400.01,
O-ring 412.22, constant-level oiler 638, oil level sight glass 642,pipe 710.22, hex. head bolt 901.31/.37, vent plug 913.03, plug 916.46,socket head cap screw 914.01
360.01/.02 Bearing cover with gasket 400.01, O-ring 412.22, socket head cap screw 914.01502.01/.02 1) Casing wear ring grub screw 904.03/.041)503.01/.02 1) Impeller wear ring grub screw 904.06/.071)507.01/.02 Thrower grub screw 904.41/.42542.02 Throttling bush638 Constant-level oiler831.02 Fan impeller (optional) with fan hood 832, fan hub 485.02, grub screw 904.33904.38 Grub screw922.01 Impeller nut99-9 Complete set of sealing elements (not shown)1) for impellers with balancing of axial thrust only2) for bearing brackets B03 and B05 only
uncooled
cooled
D01042/3
RPH
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Bearing bracket B06All material classes, cooled and uncoooled
When ordering spare parts, please always specify:Type series, works No. (stamped on the name plate and on the suction nozzle flange),year of construction, quantity required, part No., description, material, fluid handled,general assembly drawing No. and mode of dispatch.
Part No. Description Scope of supply102 Volute casing with joint ring 411.10, casing wear ring 502.01, stud 902.01,
O-ring 412.22, constant-level oiler 638, oil level sight glass 642,pipe 710.22, hex. head bolt 901.31/.37, vent plug 913.03, plug 916.46,socket head cap screw 914.01
360.01/.02 Bearing cover with gasket 400.01, O-ring 412.22, socket head cap screw 914.01502.01/.02 1) Casing wear ring grub screw 904.03/.041)503.01/.02 1) Impeller wear ring grub screw 904.06/.071)507.01/.02 Thrower grub screw 904.41/.42542.02 Throttling bush550.87 Disc638 Constant-level oiler831.02 Fan impeller (optional) with fan hood 832, fan hub 485.02, grub screw 904.33904.38 Grub screw906 Impeller screw931.02 Lockwasher99-9 Complete set of sealing elements (not shown)1) for impellers with balancing of axial thrust only2) for cooled design only
Inducer
Bearing bracket, cooled
Tandem bearingsSpecial pump designs forhigh inlet pressure
Special pump design with thrower
Pump design with plug
916.01
Part No. Description508.01 Oil thrower904.20 Grub screw916.01 Plug