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High Pressure Plunger Pump · Frame size 3CP

3CP1221

This triplex (three plunger rods) positive displacement, reciprocating plunger pump is constructed with 316 stainless steel manifolds, 316 stainless steel valve assemblies, solid ceramic plungers and standard NBR (Buna-N) seals and O-rings.

The 1420 min⁻¹ permits multiple drive options, including direct drive with a bell housing and flexible coupling, clutch or belt drive.

Data sheet (PDF) Make an enquiry

Technical specifications

Flow rate 13.3 l/min
Operating pressure 140 bar
Speed 1,450 min⁻¹
Inlet port 1/2"
Discharge port 3/8"
Shaft diameter 16.5 mm
Material Stainless Steel

Downloads

CAD files

Spare parts

Click an item in the drawing or in the parts list to add it to your request list. We turn it into a quotation – no order is placed.

8 kits bundle wearing parts of this pump ↓

Skip the drawing, go to the parts list

Exploded view

Exploded view 3CP1221

Parts list

ItemPart no.DescriptionQtyAdd to request list
230047Key (M5 x 5 x 24)STL1
592538Screw, HHC, Sems (M6 x 16) (Model 2530E)S8
846901Cover, BearingAL2
1014028O-Ring, Bearing Cover - 70D 2-2-1NBR2
1143222Seal, Oil, Crankshaft 2/1/2NBR2
1514480Bearing, Ball 2-2-2STL2
2048730Rod, Connecting, AssemblyTNM3
2546927Crankshaft, Dual End - 3CP1221 (M12.7)FCM1
31127409Cap, Vented with O-Ring (Rain Cap)1
3246798Cap, Oil Filler, Domed1
3314179O-Ring, Oil Filler Cap - 70DNBR1
3792241Gauge, Oil, Bubble with Gasket - 80D 1 - 21
3844428Gasket, Flat, Oil Gauge - 80DNBR1
4092538Screw, HHC, Sems (M6 x 16) (Model 2530E)S4
4825625Plug, Drain (1/4" x 19 BSP[M])STCP1
4923170O-Ring, Drain Plug - 70DNBR1
5046939Cover, RearAL1
5114041O-Ring, Bearing Cover - 70DNBR1
5348644CrankcaseAL1
6446615Pin, CrossheadCM3
6548459Rod, PlungerBBNP3
7046839Seal, Oil, CrankcaseNBR3
7543900Slinger, BarrierS3
8845697Washer, Keyhole (M18 x 10)S3
9046976Plunger (M18x43)CC3
9846730Washer, Seal - 90DNBR3
9948201Retainer, Plunger with Stud (M6)SS3
10046541Retainer, SealPVDF3
10644053Seal, Low-Pressure with SS-SpringNBR3
11048556Manifold, InletSS1
117119034Screw, HSH (M8x35)S4
12544652Seal, High-Pressure with SS - SupportSNG3
13945156Plug, Inlet [1/2" NPT(M)]SS1
14317547O-Ring, Seat - 85DNBR3
15044060Adapter, Inlet ValveSS3
15443893O-Ring, Inlet Valve Adapter, Front - 80DNBR3
15526089O-Ring, Seat - 80DNBR3
15744059Adapter, Discharge ValveSS3
15926089O-Ring, Seat - 80DNBR3
16444058SeatSS6
16544001O-Ring, Seat - 80DNBR6
16644057ValveSS6
16744056Spring, ValveSS6
16844055Retainer, SpringSS6
18548558Manifold, DischargeSS1
18615847Lockwasher (M10)S6
18887950Screw, HSH (M10 x 35)S2
18987952Screw, HSH (M10 x 55)S4
250118672Protector, Shaft (Model 5CP5120)STCP1
260126607Assy, Angle RailSTZP1
28334334Kit, Oil Drain (3/8" x 24") (Not Shown) 11
299816719Head, Complete with NBR Seals and O-RingsSS1
5008075Gearbox (See Individual Data Sheet) (Model 3CP1211G)1
–11377O-Ring, Adapter, Inner - 80DFPM3
–11685O-Ring, Seat - 85DFPM3
–44925Seal, HPS w/SSFPM3
–44926Seal, LPS w/SS-SpgFPM3
–44927O-Ring, Adapter, Valve, FrontFPM3
–44928O-Ring, Seat - 80DFPM6
–46647O-Ring, Adapter, Valve, Rear - 80DEPDM3
–46648O-Ring, Seat - 70DEPDM3
–46649O-Ring, Adapter, Valve, Front - 80DEPDM3
–46650O-Ring, Seat - 80DEPDM6
–46651Seal, LPS w/SS-SpgEPDM3
–46652Seal, High-Pressure, High-Temperature, 2-Piece with S-Support All Models except GZHT3
–46991Crankshaft, Dual End - 3CP1241 (M11)FCM1
–46994Crankshaft, Dual End - 3CP1231 (M7.3)FCM1
–48259Cover, Blind (3CP1241G)AL1
–48394Washer, Seal - 90DFPM3
–48432Washer, SealEPDM3
–48484Crankshaft, Single End - 3CP1241G (M11)FCM1
–76052Seal, HPS w/SST43
–703244O-Ring, Adapter, Valve, Rear - 75DIPFE3
–703307O-Ring, Adapter, Valve, Front - 80DIPFE3
–703308O-Ring, Adapter, Valve, Rear - 85DIPFE3
–6132Oil, Crankcase, Bottle 1l1

in the request listcovered by a requested kit

Seal and valve kits

A kit bundles the wearing parts of one assembly. Selecting it highlights the items it covers in the drawing and the parts list – once requested, they stay marked.

Seal kits

  • Seal kit

    33985

    NBR (STD)Medium Nitrile (Buna-N)

    contains 7 items · one kit per pump

    Parts list
    • 9846730Washer, Seal3×
    • 10644053Seal, Low-Pressure with SS-Spring3×
    • 12544652Seal, High-Pressure with SS-Support3×
    • 14317547O-Ring, Adapter, Inlet Valve, Rear3×
    • 15443893O-Ring, Adapter, Inlet Valve, Front3×
    • 15526089O-Ring, Adapter, Discharge Valve, Rear3×
    • 15926089O-Ring, Adapter, Discharge Valve, Front3×

  • Seal kit

    33309

    FPM (0.0110)Fluorocarbon

    contains 7 items · one kit per pump

    Parts list
    • 9848394Washer, Seal3×
    • 10644926Seal, Low-Pressure with SS-Spring3×
    • 12544925Seal, High-Pressure with SS-Support3×
    • 14311685O-Ring, Adapter, Inlet Valve, Rear3×
    • 15444927O-Ring, Adapter, Inlet Valve, Front3×
    • 15511377O-Ring, Adapter, Discharge Valve, Rear3×
    • 15911377O-Ring, Adapter, Discharge Valve, Front3×

  • Seal kit

    76136

    HT (0.3000)Hi-Temp (EPDM Alternative)

    contains 7 items · one kit per pump

    Parts list
    • 9846730Washer, Seal3×
    • 10644053Seal, Low-Pressure with SS-Spring3×
    • 12546652Seal, High-Pressure with SS-Support3×
    • 14317547O-Ring, Adapter, Inlet Valve, Rear3×
    • 15443893O-Ring, Adapter, Inlet Valve, Front3×
    • 15526089O-Ring, Adapter, Discharge Valve, Rear3×
    • 15926089O-Ring, Adapter, Discharge Valve, Front3×

  • Seal kit

    76985

    IPFE (0.0770)I-Perfluoroelastomer

    contains 8 items · one kit per pump

    Parts list
    • 9776729Washer, Flat3×
    • 9876730Washer, Seal3×
    • 10676243Seal, Low-Pressure with SS-Spring3×
    • 12546652Seal, High-Pressure with SS-Support3×
    • 143703308O-Ring, Adapter, Inlet Valve, Rear3×
    • 154703307O-Ring, Adapter, Inlet Valve, Front3×
    • 155703244O-Ring, Adapter, Discharge Valve, Rear3×
    • 159703244O-Ring, Adapter, Discharge Valve, Front3×

  • Seal kit

    76167

    STHT (0.3400)Special PTFE High Temp

    contains 7 items · one kit per pump

    Parts list
    • 9846730Washer, Seal3×
    • 10676243Seal, Low-Pressure with SS-Spring3×
    • 12546652Seal, High-Pressure with SS-Support3×
    • 14317547O-Ring, Adapter, Inlet Valve, Rear3×
    • 15443893O-Ring, Adapter, Inlet Valve, Front3×
    • 15526089O-Ring, Adapter, Discharge Valve, Rear3×
    • 15926089O-Ring, Adapter, Discharge Valve, Front3×

Valve kits

  • Valve kit

    30982

    NBR (STD)Medium Nitrile (Buna-N)

    contains 10 items · one kit per pump

    Parts list
    • 14317547O-Ring, Einlassventil Adapter, hinten3×
    • 15443893O-Ring, Einlassventil Adapter, vorne3×
    • 15526089O-Ring, Auslassventil Adapter, hinten3×
    • 15926089O-Ring, Adapter, Discharge Valve, Front3×
    • 16444058Ventilsitz6×
    • 16544001O-Ring, Ventilsitz6×
    • 16644057Ventil6×
    • 166543669Valve6×
    • 16744056Feder, Ventil6×
    • 16844055Federhalter, Ventil6×

  • Valve kit

    31216

    FPM (0.0110)Fluorocarbon

    contains 10 items · one kit per pump

    Parts list
    • 14311685O-Ring, Einlassventil Adapter, hinten3×
    • 15444927O-Ring, Einlassventil Adapter, vorne3×
    • 15511377O-Ring, Auslassventil Adapter, hinten3×
    • 15911377O-Ring, Adapter, Discharge Valve, Front3×
    • 16444058Ventilsitz6×
    • 16544928O-Ring, Ventilsitz6×
    • 16644057Ventil6×
    • 166543669Valve6×
    • 16744056Feder, Ventil6×
    • 16844055Federhalter, Ventil6×

  • Valve kit

    31217

    EPDM (0.0220)Ethylene Propylene Diene Monomer

    contains 10 items · one kit per pump

    Parts list
    • 14346648O-Ring, Einlassventil Adapter, hinten3×
    • 15446649O-Ring, Einlassventil Adapter, vorne3×
    • 15546647O-Ring, Auslassventil Adapter, hinten3×
    • 15946647O-Ring, Adapter, Discharge Valve, Front3×
    • 16444058Ventilsitz6×
    • 16546650O-Ring, Ventilsitz6×
    • 16644057Ventil6×
    • 166543669Valve6×
    • 16744056Feder, Ventil6×
    • 16844055Federhalter, Ventil6×

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High Pressure Plunger Pump 3CP1221
3CP1221 · High Pressure Plunger Pump