CAT PUMPS
CAT PUMPS

High Pressure Piston Pump · Frame size 3 PFR

280

This triplex (three piston rods) positive displacement, reciprocating piston pump is constructed with chrome-plated brass manifolds, 304 stainless steel valve assemblies, and chrome-plated 304 stainless steel sleeves and cylinders. Multiple piston cup and seal configurations are available with NBR (Buna-N) O-rings.

The lower RPM belt drive design provides strong inlet suction and long-lasting pump and seal life.

Technical specifications

Flow rate 11.4 l/min
Operating pressure 70 bar
Speed 1,330 min⁻¹
Inlet port 1/2"
Discharge port 3/8" / 1/2"
Shaft diameter 16.5 mm
Material Brass

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 ↓

Parts list

ItemPart no.DescriptionQtyAdd to request list
230047Key (M5 x 5 x 24)STL1
5125824Screw, HHC Sems (M6x16) 8/4STCP8
827950Cover, BearingAL2
1026536O-Ring, Bearing Cover - 70DNBR2
1124159Seal, Oil, CrankshaftNBR2
1514487Bearing, BallSTL2
2048867Rod, Connecting AssemblyTNM3
20122041Rod, Connecting Assy [280-8/02, 290-9/02]TNM3
2526239CrankshaftFCM1
2543804CrankshaftFCM1
31828710Protector, Oil Cap with Foam Gasket 1PE1
3243211Cap, Oil FillerABS1
3314177O-Ring, Oil Filler Cap - 70DNBR1
3792241Gauge, Oil, Bubble with Gasket - 80D 1 - 21
3844428Gasket, Flat, Oil Gauge - 80DNBR1
40126541Screw, HHC Sems (M6 x 20)STCP4
4825625Plug, Drain (1/4" x 19 BSP[M])STCP1
4923170O-Ring, Drain Plug - 70DNBR1
5048772Cover, Rear [07/08]AL1
5148773O-Ring, Rear Cover [07/08]NBR1
53128361Crankcase [07/08]AL1
55126546Stud (M8x41.4)STCP2
6416948Pin, CrossheadCM3
6529612Rod, PistonSZZ3
65101800Rod, PistonSZZ3
69126259Washer, Oil SealSTCP3
7025301Seal, Oil - 80DNBR3
71126189Washer, Oil SealSTCP3
7525327Slinger, BarrierS3
7725392O-Ring, Sleeve 6/3NBR6
8029614SleeveSCP3
8129003Backup Ring, Sleeve 3/0PTFE3
10028597Retainer, SealPVDF3
10630315Seal, Low-Pressure, (Greased)NBR3
10922177Plug HH (1/4" NPT)BBCP1
11025128Manifold, Inlet (Models 333, 430)BBCP1
11785680Stud (M8x99.5)STCP2
11822160Elbow, Street [1/2" NPT(M)]BBCP1
11927004Valve, InletS3
13022021PistonS3
13030543PistonS3
13143476Bac-Cup RingPTFE3
13343172Cup, Piston (Machined Cup - Models 331, 333)FPM3
13527003Spacer, PistonS3
13527983Spacer, PistonS3
13627002Retainer, PistonS3
13727006Washer, Conical (M6)S3
13827000Nut, Slotted (M6)S3
13914158Cotterpin (M1.6 x 10)S3
14323172O-Ring, Cylinder - 70DNBR6
15026112CylinderSCP3
150101802CylinderSCP3
15321985Backup Ring, SeatPTFE3
16443434Seat, Q.V.S3
16643723Valve, Q.V.S3
16743360Spring, Q.V.S3
16843442Retainer, Spring, Q.V.S3
184126521Nut, Hex (M8)STCP2
18543720Manifold, Discharge (280, 290)BBCP1
18615845Lockwasher (M8)STZP2
187126565Bolt, Cylinder (M8x62.5)STCP2
188126813Washer, Shim (M8 x 1 x 13) 2 - 4STCP2-4
189126576Washer, Shim (M8 x .5 x 13) 2 - 4STCP2-4
190126590Washer, Shim (M8 x .3 x 13) 2 - 4STCP2-4
191126591Washer, Shim (M8 x 2 x 13) 2 - 4STCP2-4
19226676Retainer, Shim (M8)S2
194126201Nut, Hex Flange (M8)STCP2
19622187Plug, Discharge (3/8" NPT[M]) (Not Shown)BBCP1
25025130Protector, ShaftSTCP1
260126607Assy, Angle RailSTZP1
28334334Kit, Oil Drain (3/8" x 24") (Not Shown) 11
30230860Kit, Piston (Inclds: 119-139, 143, 153, 355)NBR1
35522130Inserter, CupNY1
–11377O-Ring, Adapter, Inner - 80DFPM6
–22031Spring, F.V.S3
–22841Retainer, Spring, F.V.S3
–22842Valve, F.V.S3
–25634Manifold, Discharge (Models 331, 431)SS1
–25635Manifold, Inlet (Models 331, 431)SS1
–26961O-Ring, CylinderPTFE6
–28771O-Ring, SleeveFPM6
–28772O-Ring, SleevePTFE6
–28774Cylinder (Unchromed))S3
–29089Cup, V-HotSNG3
–29487Seat, F.V.S3
–29743Sleeve (Unchromed)S3
–30325Seal, LPS, Prrrrrm-A-LubeFPM3
–43474Assy, Bac-Cup (Inclds: 130, 131, 133) (290 Only)FPM3
–43834Cylinder (Unchromed))S3
–76023Kit, Cup (Inclds: 131,133, 139, 143, 355)FPM1
–76515Cup, PistonST43
–126232Lockwasher (M8)STCP2
–703244O-Ring, Adapter, Valve, Rear - 75DIPFE6
–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

    30305

    NBRMedium Nitrile (Buna-N)

    contains 5 items · one kit per pump

    Parts list
    • 10630315Dichtung, Niederdruck3×
    • 133290893×
    • 13914158Splint3×
    • 14326969O-Ring, Cylinder6×
    • 15328204Backup Ring, Cylinder3×

Sleeve and seal kits

  • Sleeve and seal kit

    30431

    NBRMedium Nitrile (Buna-N)

    contains 5 items · one kit per pump

    Parts list
    • 7525327Stauscheibe3×
    • 7725392O-Ring, Hülse6×
    • 8029614Hülse3×
    • 10630315Dichtung, Niederdruck, geschmiert3×
    • 13914158Splint (M1.6x10)3×

Piston kits

  • Piston kit

    30202

    NBRMedium Nitrile (Buna-N)

    contains 12 items · one kit per pump

    Parts list
    • 11927004Ventil, Einlass3×
    • 13022021Kolben3×
    • 13143476Stützring3×
    • 13343172Kolbenmanschette3×
    • 13527003Distanzstück, Kolben3×
    • 13627002Halter, Kolben3×
    • 13727006Scheibe, konisch (M6)3×
    • 13827000Kronenmutter (M6)3×
    • 13914158Splint (M1.6x10)3×
    • 14323172O-Ring, Zylinder - 70D6×
    • 15321985Stützring, Zylinder3×
    • 35522130Montagekappe1×

Cup kits

  • Cup kit

    30272

    NBRMedium Nitrile (Buna-N)

    contains 3 items · one kit per pump

    Parts list
    • 13343172Kolbenmanschette3×
    • 13914158Splint (M1.6x10)3×
    • 14323172O-Ring, Zylinder - 70D6×
  • Cup kit

    30023

    FPMFluorocarbon

    contains 4 items · one kit per pump

    Parts list
    • 13343172Kolbenmanschette3×
    • 13914158Splint (M1.6x10)3×
    • 14311377O-Ring, Zylinder - 80D6×
    • 35522130Montagekappe1×
  • Cup kit

    701443

    TG

    contains 3 items · one kit per pump

    Parts list
    • 133–Kolbenmanschette3×
    • 13914158Splint (M1.6x10)3×
    • 143–O-Ring, Zylinder - 70D6×

Valve kits

  • Valve kit

    30024

    NBRMedium Nitrile (Buna-N)

    contains 5 items · one kit per pump

    Parts list
    • 14323172O-Ring, Zylinder6×
    • 16429487Ventilsitz3×
    • 16622842Ventil3×
    • 16722031Feder, Ventil3×
    • 16822841Federhalter, Ventil (2 Stk. für 30103)3×
  • Valve kit

    30686

    NBRMedium Nitrile (Buna-N)

    contains 5 items · one kit per pump

    Parts list
    • 14323172O-Ring, Zylinder6×
    • 16443434Ventilsitz3×
    • 16643723Ventil3×
    • 16743360Feder, Ventil3×
    • 16843442Federhalter, Ventil (2 Stk. für 30103)3×

More models in frame size 3 PFR

High Pressure Piston Pump 281

281

Flow rate
11.4 l/min
Operating pressure
70 bar
Speed
1,330 min⁻¹
Material
Stainless Steel
High Pressure Piston Pump 290

290

Flow rate
13.2 l/min
Operating pressure
85 bar
Speed
1,200 min⁻¹
Material
Brass
High Pressure Piston Pump 291

291

Flow rate
13.2 l/min
Operating pressure
85 bar
Speed
1,200 min⁻¹
Material
Stainless Steel

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High Pressure Piston Pump 280
280 · High Pressure Piston Pump