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High Pressure Plunger Pump · Frame size 5CP

5CPQ6221

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.

Cat Pumps “Q” pump models reduce sound levels by -6 dBa (decibels). With “Q” model pumps and other noise reduction measures, equipment builders can supply quiet, pleasing equipment to their customers.

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Technical specifications

Flow rate 28 l/min
Operating pressure 103 bar
Speed 1,725 min⁻¹
Inlet port 1/2"
Discharge port 3/8"
Shaft diameter 20 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.

9 kits bundle wearing parts of this pump ↓

Skip the drawing, go to the parts list

Exploded view

Exploded view 5CPQ6221

Parts list

ItemPart no.DescriptionQtyAdd to request list
5119049Screw, HHC, Sems (M8 x 16)SS8
846910Cover, Bearing 2/1/2AL2
1014028O-Ring, Bearing Cover - 70D 2-2-1NBR2
1143222Seal, Oil, Crankshaft 2/1/2NBR2
15127472Bearing, BallSTL2
2048742Rod, Connecting Assembly [10/01]TNM3
2546928Crankshaft, Dual End, M18 - 5CP3120FCM1
3048224Cover, Bearing, Blind - 5CP6120CSAL1
3246798Cap, Oil Filler, Domed1
3314179O-Ring, Oil Filler Cap - 70DNBR1
3792241Gauge, Oil, Bubble with Gasket - 80D 1 - 2PC
3844428Gasket, Flat, Oil Gauge - 80DNBR
4092538Screw, HHC, Sems (M6 x 16) (Model 2530E)S4
4825625Plug, Drain (1/4" x 19 BSP[M])STCP1
4923170O-Ring, Drain Plug - 70DNBR1
5046940Cover, RearAL1
5114044O-Ring, Rear CoverNBR1
5348617CrankcaseAL1
6446746Pin, CrossheadCM3
6548458Rod, PlungerBBNP3
7046838Seal, Oil, Crankcase - 70DNBR3
7148208Washer, Oil SealPVDF3
7543328Slinger, BarrierS3
8845697Washer, Keyhole (M18 x 10)S3
9046841Plunger (M20x50)CC3
9846730Washer, Seal - 90DNBR3
10046749Retainer, SealPVDF3
10644127Seal, Low-Pressure with SS-SpringNBR3
11048552Manifold, InletSS1
117119034Screw, HSH (M8x35)S4
125833824Seal, High-PressureSNG3
14349382O-Ring, Valve Plug - 90DNBR3
15048212Adapter, InletSS3
15443781O-Ring, Inlet Valve Adapter, FrontNBR3
15543781O-Ring, Inlet Valve Adapter, FrontNBR3
15748211Adapter, DischargeSS3
15943781O-Ring, Inlet Valve Adapter, FrontNBR3
16343781O-Ring, Inlet Valve Adapter, FrontNBR3
16448216SeatSS6
16543793O-Ring, SeatNBR6
16644038ValveSS6
16744039Spring, ValveSS6
16844564Retainer, SpringPVDF6
18548554Manifold, DischargeSS1
18619085Lockwasher, Split (Model 2530E)S6
188120774Screw, HSH (M12 x 40)S2
18989575Screw, HSH (M12 x 60)S4
–6124Gasket, Liquid (3 oz. / 0,1 l)1
–6139Lubricant, Anti-Seize (8 oz) (Model 1531)1
–30057Key (M6 x 6 x 25)1
–30696Reverse Pliers (Not Shown)1
–34334Kit, Oil Drain (3/8" x 24") (Not Shown) 11
–43222Seal, Oil, Crankshaft 2/1/2NBR1
–46910Cover, Bearing 2/1/2AL1
–46982Crankshaft, Dual-EndFCM1
–48203-- Crankshaft, Single End, M10 - 5CP3105CSSFCM1
–48368Crankshaft, Single End M16.5 - 5CP6180CSS, 5CP6180CSSG1FCM1
–49776Cover, Bearing - 5CP3120CSS, 5CP3120CSSG1 [After 12/10]AL1
–49872-- Crankshaft, Single End, M14 - 5CP3110CSSFCM1
–118672Protector, Shaft (Model 5CP5120)1
–126610Mounting, Angle Rail (STZP R)1
–127409Cap, Vented with O-Ring (Rain Cap)1
–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

    76283

    NBR (STD)Medium Nitrile (Buna-N)

    contains 7 items · one kit per pump

    Parts list
    • 9846730Scheibe, Plungerhalter3×
    • 10644127Dichtung, Niederdruck3×
    • 125833824Dichtung, Hochdruck3×
    • 14349382O-Ring, Adapter, Einlass, hinten3×
    • 15443781O-Ring, Adapter, Einlass, vorne3×
    • 15543781O-Ring, Adapter, Auslass, hinten3×
    • 15943781O-Ring, Adapter, Auslass, vorne3×

  • Seal kit

    34351

    FPM (0.0110)Fluorocarbon

    contains 7 items · one kit per pump

    Parts list
    • 9848394Scheibe, Plungerhalter3×
    • 10645153Dichtung, Niederdruck3×
    • 12544936Dichtung, Hochdruck3×
    • 14315855O-Ring, Adapter, Einlass, hinten3×
    • 15411337O-Ring, Adapter, Einlass, vorne3×
    • 15511337O-Ring, Adapter, Auslass, hinten3×
    • 15911337O-Ring, Adapter, Auslass, vorne3×

  • Seal kit

    34352

    EPDM (0.0220)Ethylene Propylene Diene Monomer

    contains 7 items · one kit per pump

    Parts list
    • 9848432Scheibe, Plungerhalter3×
    • 10648429Dichtung, Niederdruck3×
    • 12546667Dichtung, Hochdruck3×
    • 14348431O-Ring, Adapter, Einlass, hinten3×
    • 15448430O-Ring, Adapter, Einlass, vorne3×
    • 15548430O-Ring, Adapter, Auslass, hinten3×
    • 15948430O-Ring, Adapter, Auslass, vorne3×

  • Seal kit

    76947

    FFKM (0.0770)Perfluoroelastomer

    contains 7 items · one kit per pump

    Parts list
    • 9846730Scheibe, Plungerhalter3×
    • 10676149Dichtung, Niederdruck3×
    • 12576395Dichtung, Hochdruck3×
    • 143701718O-Ring, Adapter, Einlass, hinten3×
    • 15477359O-Ring, Adapter, Einlass, vorne3×
    • 15577359O-Ring, Adapter, Auslass, hinten3×
    • 15977359O-Ring, Adapter, Auslass, vorne3×

  • Seal kit

    76677

    HT (0.3000)Hi-Temp (EPDM Alternative)

    contains 7 items · one kit per pump

    Parts list
    • 9846730Scheibe, Plungerhalter3×
    • 10644127Dichtung, Niederdruck3×
    • 12546667Dichtung, Hochdruck3×
    • 14349382O-Ring, Adapter, Einlass, hinten3×
    • 15443781O-Ring, Adapter, Einlass, vorne3×
    • 15543781O-Ring, Adapter, Auslass, hinten3×
    • 15943781O-Ring, Adapter, Auslass, vorne3×

Valve kits

  • Valve kit

    33972

    NBR (STD)Medium Nitrile (Buna-N)

    contains 8 items · one kit per pump

    Parts list
    • 14349382O-Ring, Adapter, Einlass, hinten3×
    • 15443781O-Ring, Adapter, Einlass, vorne3×
    • 16343781O-Ring, Ventilsitz3×
    • 16448216Ventilsitz6×
    • 16543793O-Ring, Ventilsitz6×
    • 16644038Ventil6×
    • 16744039Feder, Ventil6×
    • 16844564Federhalter, Ventil6×

  • Valve kit

    34362

    FPM (0.0110)Fluorocarbon

    contains 8 items · one kit per pump

    Parts list
    • 14315855O-Ring, Adapter, Einlass, hinten3×
    • 15411337O-Ring, Adapter, Einlass, vorne3×
    • 16311337O-Ring, Ventilsitz3×
    • 16448216Ventilsitz6×
    • 16543791O-Ring, Ventilsitz6×
    • 16644038Ventil6×
    • 16744039Feder, Ventil6×
    • 16844564Federhalter, Ventil6×

  • Valve kit

    34363

    EPDM (0.0220)Ethylene Propylene Diene Monomer

    contains 8 items · one kit per pump

    Parts list
    • 14348431O-Ring, Adapter, Einlass, hinten3×
    • 15448430O-Ring, Adapter, Einlass, vorne3×
    • 16348430O-Ring, Ventilsitz3×
    • 16448216Ventilsitz6×
    • 16548490O-Ring, Ventilsitz6×
    • 16644038Ventil6×
    • 16744039Feder, Ventil6×
    • 16844564Federhalter, Ventil6×

  • Valve kit

    77332

    IPFE (0.0770)I-Perfluoroelastomer

    contains 8 items · one kit per pump

    Parts list
    • 143701718O-Ring, Adapter, Einlass, hinten3×
    • 15477359O-Ring, Adapter, Einlass, vorne3×
    • 16377359O-Ring, Ventilsitz3×
    • 16448216Ventilsitz6×
    • 16577338O-Ring, Ventilsitz6×
    • 16644038Ventil6×
    • 16744039Feder, Ventil6×
    • 16844564Federhalter, Ventil6×

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High Pressure Plunger Pump 5CPQ6221
5CPQ6221 · High Pressure Plunger Pump