High Pressure Plunger Pump · Frame size 25 PFR 2537

Name: 2537
Brand: CAT PUMPS
SKU: 2537

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

Request this pump Data sheet (PDF) Spare parts

Technical specifications

Flow rate	94.6 l/min
Operating pressure	83 bar
Speed	1,025 min⁻¹
Inlet port	1 1/4" NPT(F)
Discharge port	3/4" NPT(F)
Shaft diameter	30 mm
Material	Nickel-Aluminum-Bronze

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

Parts list

Item	Part no.	Description	Qty
5	125753	Screw, HHC, Sems (M8 x 25) (Model 2530E)S	8
5	126544	Screw, HHC, Sems (M8 x 25)STCP	8
8	134966	Cover, Bearing (Models 2560, 2565)ALE	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
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 - 2PC	1
38	44428	Gasket, Flat, Oil Gauge - 80DNBR	1
39	27769	Dip Stick (Blue)ABS	1
40	125753	Screw, HHC, Sems (M8 x 25) (Model 2530E)S	8
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	133582	Cover, RearALE	1
51	27767	O-Ring, Rear Cover - 70DNBR	1
53	133609	Crankcase Assembly (Includes Item: 54)ALE	1
54	27488	Pin, GuideS	2
56	27790	Pan, OilPOP	1
57	22981	Washer, Oil PanSTCP	2
59	92538	Screw, HHC, Sems (M6 x 16) (Model 2530E)S	2
59	125824	Screw, HHC Sems (M6x16) 8/4STCP	2
64	27784	Pin, CrossheadCM	3
65	48719	Rod, PlungerSSHS	3
70	27785	Seal, Crankcase Oil -70DNBR	3
75	110669	Slinger, BarrierS	3
88	110670	Washer, Keyhole (M16)S	3
90	45749	Plunger (M32 x 93)CC	3
95	89835	Stud, Retainer (M7 x 87)SS	3
96	20184	Backup Ring, Plunger RetainerPTFE	3
97	14190	O-Ring, Plunger Retainer - 70DNBR	3
98	44069	Gasket, Plunger Retainer (M7) Model 3501, 3501C, Gasket, Plunger Retainer (M10) Model 3511, 3511CSS	3
99	44068	Retainer, Plunger (M7) [7/02]SS	3
100	49788	Retainer, LPS, FrontNY	3
101	110796	Wick, Long Tab (M32)	3
106	44098	Seal, Low-Pressure, with SS - SpringNBR	3
110	45830	Manifold, InletNAB	1
110	48583	Manifold, InletSS	1
110	670134	Manifold, InletNABC	1
116	19085	Lockwasher, Split (Model 2530E)S	4
116	126570	Lockwasher, SplitSTCP	4
117	88398	Screw, HSH (M12 x 40) (Model 2530E)S	4
117	126518	Screw, HSH (M12 x 40)STCP	4
125	45832	Seal, HPS with SSSNG	3
143	14203	O-Ring, Adapter, LPS, Rear - 70DNBR	3
150	45752	Adapter, LPSBB	3
150	45835	Adapter, LPSSS	3
154	18690	O-Ring, Valve Plug - 70DNBR	3
155	14520	O-Ring, Adapter, Valve - 70DNBR	6
157	45751	Adapter, ValveBB	3
157	45834	Adapter, ValveSS	3
164	46857	Seat [11/95]SS	6
165	14014	O-Ring, SeatNBR	6
166	45839	ValveSS	6
167	45840	SpringSS	6
168	110682	Retainer, SpringPVDF	6
185	45836	Manifold, DischargeNAB	1
185	48585	Manifold, DischargeSS	1
185	670135	Manifold, DischargeNABC	1
186	19085	Lockwasher, Split (Model 2530E)S	8
186	126570	Lockwasher, SplitSTCP	8
188	89628	Screw, HSH (M12 x 65) (Model 2530E)S	8
188	126517	Screw, HSH (M12 x 65)STCP	8
–	6124	Gasket, Liquid (3 oz. / 0,1 l)	1
–	6139	Lubricant, Anti-Seize (8 oz) (Model 1531)	1
–	19085	Lockwasher, Split (Model 2530E)S	4
–	19085	Lockwasher, Split (Model 2530E)S	8
–	26516	Protector, Shaft	1
–	30278	Oiler (1 oz) (Not Shown) 3	3
–	30614	Assembly, Rail	1
–	30696	Reverse Pliers (Not Shown)	1
–	34334	Kit, Oil Drain (3/8" x 24") (Not Shown) 1	1
–	49545	Manifold, Inlet Flushed (1/4" Ports)SS	1
–	49789	Retainer, LPS, RearNY	3
–	88398	Screw, HSH (M12 x 40) (Model 2530E)S	4
–	89628	Screw, HSH (M12 x 65) (Model 2530E)S	8
–	92538	Screw, HHC, Sems (M6 x 16) (Model 2530E)S	2
–	125753	Screw, HHC, Sems (M8 x 25) (Model 2530E)S	8
–	701931	Sealant, Silicone (3 oz) (2530E)	1
–	814838	Head, Complete - with NBR Seals and O-Rings (Model 2530)	1
–	816538	Head, Complete - with NBR Seals and O-Rings (Model 2537)	1
–	816735	Head, Complete - with NBR Seals and O-Rings (Model 2531)	1
–	828710	Protector, Oil Cap with Foam Gasket 1	1
–	990036	Key (M8x7x40) [3/00]	1
–	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

30952

NBR (STD)Medium Nitrile (Buna-N)

contains 6 items · one kit per pump
Parts list
- 97 14190 O-Ring, Plungerhalter 3×
- 106 44098 Dichtung, Niederdruck m/SS-Feder 3×
- 125 45832 Dichtung, Hochdruck m/SS 3×
- 143 14203 O-Ring, Adapter, ND-Dichtung, hinten 3×
- 154 18690 O-Ring, Adapter, ND-Dichtung, vorne 3×
- 155 14520 O-Ring, Adapter, Ventil 6×
Seal kit

33607

FPM (0.0110)Fluorocarbon

contains 6 items · one kit per pump
Parts list
- 97 14161 O-Ring, Plungerhalter 3×
- 106 44827 Dichtung, Niederdruck m/SS-Feder 3×
- 125 48220 Dichtung, Hochdruck m/SS 3×
- 143 11731 O-Ring, Adapter, ND-Dichtung, hinten 3×
- 154 11744 O-Ring, Adapter, ND-Dichtung, vorne 3×
- 155 11745 O-Ring, Adapter, Ventil 6×
Seal kit

33608

EPDM (0.0220)Ethylene Propylene Diene Monomer

contains 6 items · one kit per pump
Parts list
- 97 48239 O-Ring, Plungerhalter 3×
- 106 48244 Dichtung, Niederdruck m/SS-Feder 3×
- 125 48220 Dichtung, Hochdruck m/SS 3×
- 143 48241 O-Ring, Adapter, ND-Dichtung, hinten 3×
- 154 48242 O-Ring, Adapter, ND-Dichtung, vorne 3×
- 155 48240 O-Ring, Adapter, Ventil 6×
Seal kit

31257

IPFE (0.0770)I-Perfluoroelastomer

contains 6 items · one kit per pump
Parts list
- 97 703586 O-Ring, Plungerhalter 3×
- 106 76298 Dichtung, Niederdruck m/SS-Feder 3×
- 125 48220 Dichtung, Hochdruck m/SS 3×
- 143 701851 O-Ring, Adapter, ND-Dichtung, hinten 3×
- 154 703588 O-Ring, Adapter, ND-Dichtung, vorne 3×
- 155 702962 O-Ring, Adapter, Ventil 6×
Seal kit

76292

STHT (0.3400)Special PTFE High Temp

contains 6 items · one kit per pump
Parts list
- 97 14190 O-Ring, Plungerhalter 3×
- 106 76298 Dichtung, Niederdruck m/SS-Feder 3×
- 125 48220 Dichtung, Hochdruck m/SS 3×
- 143 14203 O-Ring, Adapter, ND-Dichtung, hinten 3×
- 154 18690 O-Ring, Adapter, ND-Dichtung, vorne 3×
- 155 14520 O-Ring, Adapter, Ventil 6×

Valve kits

Valve kit

33952

NBR (STD)Medium Nitrile (Buna-N)

contains 8 items · 2 kits per pump
Parts list
- 143 14203 O-Ring, Adapter, ND-Dichtung, hinten 3×
- 154 18690 O-Ring, Adapter, ND-Dichtung, vorne 3×
- 155 14520 O-Ring, Adapter, Ventil 6×
- 164 46857 Ventilsitz 3×
- 165 14014 O-Ring, Ventilsitz 3×
- 166 45839 Ventil 3×
- 167 45840 Feder, Ventil 3×
- 168 110682 Federhalter, Ventil 3×
Valve kit

31267

FPM (0.0110)Fluorocarbon

contains 8 items · 2 kits per pump
Parts list
- 143 11731 O-Ring, Adapter, ND-Dichtung, hinten 3×
- 154 11744 O-Ring, Adapter, ND-Dichtung, vorne 3×
- 155 11745 O-Ring, Adapter, Ventil 6×
- 164 46857 Ventilsitz 3×
- 165 48238 O-Ring, Ventilsitz 3×
- 166 45839 Ventil 3×
- 167 45840 Feder, Ventil 3×
- 168 110682 Federhalter, Ventil 3×
Valve kit

31268

EPDM (0.0220)Ethylene Propylene Diene Monomer

contains 8 items · 2 kits per pump
Parts list
- 143 48241 O-Ring, Adapter, ND-Dichtung, hinten 3×
- 154 48242 O-Ring, Adapter, ND-Dichtung, vorne 3×
- 155 48240 O-Ring, Adapter, Ventil 6×
- 164 46857 Ventilsitz 3×
- 165 48243 O-Ring, Ventilsitz 3×
- 166 45839 Ventil 3×
- 167 45840 Feder, Ventil 3×
- 168 110682 Federhalter, Ventil 3×
Valve kit

76267

IPFE (0.0770)I-Perfluoroelastomer

contains 8 items · 2 kits per pump
Parts list
- 143 701851 O-Ring, Adapter, ND-Dichtung, hinten 3×
- 154 703588 O-Ring, Adapter, ND-Dichtung, vorne 3×
- 155 702962 O-Ring, Adapter, Ventil 6×
- 164 46857 Ventilsitz 3×
- 165 703587 O-Ring, Ventilsitz 3×
- 166 45839 Ventil 3×
- 167 45840 Feder, Ventil 3×
- 168 110682 Federhalter, Ventil 3×