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" NPT
Discharge port 3/8" / 1/2" NPT
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

Item Part no. Description Qty Add to request list
2 30047 Key (M5 x 5 x 24)STL 1
5 125824 Screw, HHC Sems (M6x16) 8/4STCP 8
8 27950 Cover, BearingAL 2
10 26536 O-Ring, Bearing Cover - 70DNBR 2
11 24159 Seal, Oil, CrankshaftNBR 2
15 14487 Bearing, BallSTL 2
20 48867 Rod, Connecting AssemblyTNM 3
20 122041 Rod, Connecting Assy [280-8/02, 290-9/02]TNM 3
25 26239 CrankshaftFCM 1
25 43804 CrankshaftFCM 1
31 828710 Protector, Oil Cap with Foam Gasket 1PE 1
32 43211 Cap, Oil FillerABS 1
33 14177 O-Ring, Oil Filler Cap - 70DNBR 1
37 92241 Gauge, Oil, Bubble with Gasket - 80D 1 - 2 1
38 44428 Gasket, Flat, Oil Gauge - 80DNBR 1
40 126541 Screw, HHC Sems (M6 x 20)STCP 4
48 25625 Plug, Drain (1/4" x 19 BSP[M])STCP 1
49 23170 O-Ring, Drain Plug - 70DNBR 1
50 48772 Cover, Rear [07/08]AL 1
51 48773 O-Ring, Rear Cover [07/08]NBR 1
53 128361 Crankcase [07/08]AL 1
55 126546 Stud (M8x41.4)STCP 2
64 16948 Pin, CrossheadCM 3
65 29612 Rod, PistonSZZ 3
65 101800 Rod, PistonSZZ 3
69 126259 Washer, Oil SealSTCP 3
70 25301 Seal, Oil - 80DNBR 3
71 126189 Washer, Oil SealSTCP 3
75 25327 Slinger, BarrierS 3
77 25392 O-Ring, Sleeve 6/3NBR 6
80 29614 SleeveSCP 3
81 29003 Backup Ring, Sleeve 3/0PTFE 3
100 28597 Retainer, SealPVDF 3
106 30315 Seal, Low-Pressure, (Greased)NBR 3
109 22177 Plug HH (1/4" NPT)BBCP 1
110 25128 Manifold, Inlet (Models 333, 430)BBCP 1
117 85680 Stud (M8x99.5)STCP 2
118 22160 Elbow, Street [1/2" NPT(M)]BBCP 1
119 27004 Valve, InletS 3
130 22021 PistonS 3
130 30543 PistonS 3
131 43476 Bac-Cup RingPTFE 3
133 43172 Cup, Piston (Machined Cup - Models 331, 333)FPM 3
135 27003 Spacer, PistonS 3
135 27983 Spacer, PistonS 3
136 27002 Retainer, PistonS 3
137 27006 Washer, Conical (M6)S 3
138 27000 Nut, Slotted (M6)S 3
139 14158 Cotterpin (M1.6 x 10)S 3
143 23172 O-Ring, Cylinder - 70DNBR 6
150 26112 CylinderSCP 3
150 101802 CylinderSCP 3
153 21985 Backup Ring, SeatPTFE 3
164 43434 Seat, Q.V.S 3
166 43723 Valve, Q.V.S 3
167 43360 Spring, Q.V.S 3
168 43442 Retainer, Spring, Q.V.S 3
184 126521 Nut, Hex (M8)STCP 2
185 43720 Manifold, Discharge (280, 290)BBCP 1
186 15845 Lockwasher (M8)STZP 2
187 126565 Bolt, Cylinder (M8x62.5)STCP 2
188 126813 Washer, Shim (M8 x 1 x 13) 2 - 4STCP 2-4
189 126576 Washer, Shim (M8 x .5 x 13) 2 - 4STCP 2-4
190 126590 Washer, Shim (M8 x .3 x 13) 2 - 4STCP 2-4
191 126591 Washer, Shim (M8 x 2 x 13) 2 - 4STCP 2-4
192 26676 Retainer, Shim (M8)S 2
194 126201 Nut, Hex Flange (M8)STCP 2
196 22187 Plug, Discharge (3/8" NPT[M]) (Not Shown)BBCP 1
250 25130 Protector, ShaftSTCP 1
260 126607 Assy, Angle RailSTZP 1
283 34334 Kit, Oil Drain (3/8" x 24") (Not Shown) 1 1
302 30860 Kit, Piston (Inclds: 119-139, 143, 153, 355)NBR 1
355 22130 Inserter, CupNY 1
– 11377 O-Ring, Adapter, Inner - 80DFPM 6
– 22031 Spring, F.V.S 3
– 22841 Retainer, Spring, F.V.S 3
– 22842 Valve, F.V.S 3
– 25634 Manifold, Discharge (Models 331, 431)SS 1
– 25635 Manifold, Inlet (Models 331, 431)SS 1
– 26961 O-Ring, CylinderPTFE 6
– 28771 O-Ring, SleeveFPM 6
– 28772 O-Ring, SleevePTFE 6
– 28774 Cylinder (Unchromed))S 3
– 29089 Cup, V-HotSNG 3
– 29487 Seat, F.V.S 3
– 29743 Sleeve (Unchromed)S 3
– 30325 Seal, LPS, Prrrrrm-A-LubeFPM 3
– 43474 Assy, Bac-Cup (Inclds: 130, 131, 133) (290 Only)FPM 3
– 43834 Cylinder (Unchromed))S 3
– 76023 Kit, Cup (Inclds: 131,133, 139, 143, 355)FPM 1
– 76515 Cup, PistonST4 3
– 126232 Lockwasher (M8)STCP 2
– 703244 O-Ring, Adapter, Valve, Rear - 75DIPFE 6
– 6132 Oil, Crankcase, Bottle 1l 1

in the request list covered 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
    • 106 30315 Dichtung, Niederdruck 3×
    • 133 29089 3×
    • 139 14158 Splint 3×
    • 143 26969 O-Ring, Cylinder 6×
    • 153 28204 Backup Ring, Cylinder 3×

Sleeve and seal kits

  • Sleeve and seal kit

    30431

    NBRMedium Nitrile (Buna-N)

    contains 5 items · one kit per pump

    Parts list
    • 75 25327 Stauscheibe 3×
    • 77 25392 O-Ring, Hülse 6×
    • 80 29614 Hülse 3×
    • 106 30315 Dichtung, Niederdruck, geschmiert 3×
    • 139 14158 Splint (M1.6x10) 3×

Piston kits

  • Piston kit

    30202

    NBRMedium Nitrile (Buna-N)

    contains 12 items · one kit per pump

    Parts list
    • 119 27004 Ventil, Einlass 3×
    • 130 22021 Kolben 3×
    • 131 43476 Stützring 3×
    • 133 43172 Kolbenmanschette 3×
    • 135 27003 Distanzstück, Kolben 3×
    • 136 27002 Halter, Kolben 3×
    • 137 27006 Scheibe, konisch (M6) 3×
    • 138 27000 Kronenmutter (M6) 3×
    • 139 14158 Splint (M1.6x10) 3×
    • 143 23172 O-Ring, Zylinder - 70D 6×
    • 153 21985 Stützring, Zylinder 3×
    • 355 22130 Montagekappe 1×

Cup kits

  • Cup kit

    30272

    NBRMedium Nitrile (Buna-N)

    contains 3 items · one kit per pump

    Parts list
    • 133 43172 Kolbenmanschette 3×
    • 139 14158 Splint (M1.6x10) 3×
    • 143 23172 O-Ring, Zylinder - 70D 6×
  • Cup kit

    30023

    FPMFluorocarbon

    contains 4 items · one kit per pump

    Parts list
    • 133 43172 Kolbenmanschette 3×
    • 139 14158 Splint (M1.6x10) 3×
    • 143 11377 O-Ring, Zylinder - 80D 6×
    • 355 22130 Montagekappe 1×
  • Cup kit

    701443

    TG

    contains 3 items · one kit per pump

    Parts list
    • 133 – Kolbenmanschette 3×
    • 139 14158 Splint (M1.6x10) 3×
    • 143 – O-Ring, Zylinder - 70D 6×

Valve kits

  • Valve kit

    30024

    NBRMedium Nitrile (Buna-N)

    contains 5 items · one kit per pump

    Parts list
    • 143 23172 O-Ring, Zylinder 6×
    • 164 29487 Ventilsitz 3×
    • 166 22842 Ventil 3×
    • 167 22031 Feder, Ventil 3×
    • 168 22841 Federhalter, Ventil (2 Stk. für 30103) 3×
  • Valve kit

    30686

    NBRMedium Nitrile (Buna-N)

    contains 5 items · one kit per pump

    Parts list
    • 143 23172 O-Ring, Zylinder 6×
    • 164 43434 Ventilsitz 3×
    • 166 43723 Ventil 3×
    • 167 43360 Feder, Ventil 3×
    • 168 43442 Federhalter, 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

View all piston pumps →

High Pressure Piston Pump 280
280 · High Pressure Piston Pump
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