CAT PUMPS
CAT PUMPS

High Pressure Piston Pump · Frame size 25 PFR 2520

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 95 l/min
Operating pressure 55 bar
Speed 772 min⁻¹
Inlet port 1 1/4" NPT
Discharge port 1" NPT
Shaft diameter 30 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.

5 kits bundle wearing parts of this pump ↓

Skip the drawing, go to the parts list

Exploded view

Exploded view 2520

Parts list

Item Part no. Description Qty Add to request list
2 990036 Key (M8x7x40) [3/00]STL 1
5 126544 Screw, HHC, Sems (M8 x 25)STCP 8
8 49533 Cover, BearingALE 2
10 27772 O-Ring, Bearing Cover - 70DNBR 2
11 27771 Seal, Oil, Crankshaft - 70DNBR 2
15 26512 Bearing, BallSTL 2
20 48613 Assembly, Rod, Connecting (Includes: Lockwasher, Washer, Screws)TNM 3
21 126562 Washer, Locking (M10)STCP 3
25 49795 Crankshaft - Dual End (M38.5)FCM 1
31 828710 Protector, Oil Cap with Foam Gasket 1 1
32 43211 Cap, Oil FillerABS 1
33 14177 O-Ring, Oil Filler Cap - 70DNBR 1
36 129343 Gasket, Flat FlexibleRBR 1
37 92241 Gauge, Oil, Bubble with Gasket - 80D 1 - 2 1
38 44428 Gasket, Flat, Oil Gauge - 80DNBR 1
39 27769 Dip Stick (Blue)ABS 1
40 126544 Screw, HHC, Sems (M8 x 25)STCP 8
48 25625 Plug, Drain (1/4" x 19 BSP[M])STCP 1
49 23170 O-Ring, Drain Plug - 70DNBR 1
50 49531 Cover, RearALE 1
51 27767 O-Ring, Rear Cover - 70DNBR 1
53 49528 Crankcase, w/Guide PinsALE 1
54 27488 Pin, GuideS 2
55 126547 Stud (M12x53)STCP 4
56 27790 Pan, OilPOP 1
59 125824 Screw, HHC Sems (M6x16) 8/4STCP 2
64 27784 Pin, CrossheadCM 3
65 29229 Rod, Piston (M8)SZZ 3
65 43266 Rod, Piston (M8)SZZ 3
70 27785 Seal, Crankcase Oil -70DNBR 3
75 27786 Slinger, BarrierS 3
77 14198 O-Ring, SleeveFPM 6
77 26531 O-Ring, SleeveNBR 6
80 43122 Sleeve (M16)SCP 3
81 29246 Back-up-Ring, SleevePTFE 3
100 27788 Retainer, SealPVDF 3
101 43126 Wick, Long Tab (M16) 3
103 43269 Seal w/LipFPM 3
104 14178 O-Ring, Seal AdapterNBR 3
105 43268 Adapter, LPSS 3
106 43124 Seal (M16)/Seal w/Grease PocketNBR 3
106 43272 Seal (M16)/Seal w/Grease PocketFPM 3
110 27791 Manifold, InletBBCP 1
110 43270 Manifold, InletBBCP 1
114 46148 Spacer, Inlet ValveS 3
116 14198 O-Ring, SleeveFPM 3
119 29240 Valve, Inlet (M8)S 3
130 27840 PistonS 3
133 28409 Cup, PistonFPM 3
135 29231 Spacer, Piston (M8)S 3
136 29239 Retainer, Piston (M8)S 3
137 27871 Washer, Conical (M8)S 3
138 27510 Nut, Slotted (M8)S 3
139 29589 Cotterpin (M2x18)S 3
143 11748 O-Ring, Cylinder - 70DFPM 6
143 25495 O-Ring, Cylinder - 70DNBR 6
150 27844 Cylinder, (M65)SCP 3
163 28395 O-Ring, Valve SeatNBR 3
163 28769 O-Ring, Valve SeatFPM 3
164 28396 SeatS 3
166 43133 ValveS 3
167 26548 SpringS 3
168 43134 Retainer, SpringS 3
185 27805 Manifold, DischargeBBCP 1
186 126570 Lockwasher, SplitSTCP 4
187 27803 Bolt, CylinderSTCP 4
187 43277 Bolt, CylinderSTCP 4
188 126586 Shim, Washer (M12.5x0.3) 4/8STCP
189 126580 Shim, Washer (M12x0.5) 4/8STCP
190 126581 Shim, Washer (M12.5x1.0) 4/8STCP
191 27933 Lockwasher (M12)STZP 4
193 126570 Lockwasher, SplitSTCP 4
194 126523 Nut, Hex (M12)STCP 4
196 27807 Plug [1"NPT(M)]BBCP 1
250 26516 Protector, ShaftSTCP 1
260 30614 Assembly, RailSTZP 1
279 30278 Oiler (1 oz) (Not Shown) 3STZP 3
283 34334 Kit, Oil Drain (3/8" x 24") (Not Shown) 1 1
295 6300 Pump, Pulse (1 qt.) 1000 PSI (See Individual Data Sheet)BBSS 1
295 6305 Pump, Pulse (1 gal.) 1000 PSI (See Individual Data Sheet)BBSS 1
355 27853 Inserter, CupNY 1
– 6425 Manifold, Pulse Pump, PortedBB 1
– 11748 O-Ring, Cylinder - 70DFPM 6
– 14198 O-Ring, SleeveFPM 6
– 28595 Manifold, InletSS 1
– 28769 O-Ring, Valve SeatFPM 3
– 29049 Cylinder, (M65) - UnchromedS 3
– 29094 Cup, V-HotST4 3
– 43123 Sleeve (M16) - UnchromedS 3
– 43125 Seal (M16)FPM 3
– 76498 Cup-Piston, Assy (1000 PSI MAX)ST4 3
– 6133 Oil, Crankcase, Can 4l 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

    30482

    NBRMedium Nitrile (Buna-N)

    contains 3 items · one kit per pump

    Parts list
    • 101 43126 Wick, Long Tab (M16) 3×
    • 106 43124 Seal (M16)/Seal w/Grease Pocket 3×
    • 139 29589 Cotterpin (M2x18) 3×

Sleeve and seal kits

  • Sleeve and seal kit

    30819

    NBRMedium Nitrile (Buna-N)

    contains 6 items · one kit per pump

    Parts list
    • 75 27786 Slinger, Barrier 3×
    • 77 26531 O-Ring, Sleeve 6×
    • 80 43122 Sleeve (M16) 3×
    • 101 43126 Wick, Long Tab (M16) 3×
    • 106 43124 Seal (M16)/Seal w/Grease Pocket 3×
    • 139 29589 Cotterpin (M2x18) 3×

Piston kits

  • Piston kit

    30252

    NBRMedium Nitrile (Buna-N)

    contains 10 items · one kit per pump

    Parts list
    • 119 29240 Valve, Inlet (M8) 3×
    • 130 27840 Piston 3×
    • 133 28409 Cup, Piston 3×
    • 135 29231 Spacer, Piston (M8) 3×
    • 136 29239 Retainer, Piston (M8) 3×
    • 137 27871 Washer, Conical (M8) 3×
    • 138 27510 Nut, Slotted (M8) 3×
    • 139 29589 Cotterpin (M2x18) 3×
    • 143 25495 O-Ring, Cylinder - 70D 6×
    • 355 27853 Inserter, Cup 1×

Cup kits

  • Cup kit

    30256

    contains 4 items · one kit per pump

    Parts list
    • 133 28409 Cup, Piston 3×
    • 139 29589 Cotterpin (M2x18) 3×
    • 143 25495 O-Ring, Cylinder - 70D 6×
    • 355 27853 Inserter, Cup 1×

Valve kits

  • Valve kit

    30767

    NBRMedium Nitrile (Buna-N)

    contains 8 items · one kit per pump

    Parts list
    • 143 25495 O-Ring, Cylinder - 70D 6×
    • 143 11748 O-Ring, Cylinder - 70D 6×
    • 163 28395 O-Ring, Valve Seat 3×
    • 163 28769 O-Ring, Valve Seat 3×
    • 164 28396 Seat 3×
    • 166 43133 Valve 3×
    • 167 26548 Spring 3×
    • 168 43134 Retainer, Spring 3×
High Pressure Piston Pump 2520
2520 · High Pressure Piston Pump
Request this pump Call