High Pressure Plunger Pump · Frame size 25 PFR 2511

Name: 2511
Brand: CAT PUMPS
SKU: 2511

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.

Request this pump Data sheet (PDF) Spare parts

Technical specifications

Flow rate	76 l/min
Operating pressure	105 bar
Speed	1,450 min⁻¹
Inlet port	1 1/4" NPT
Discharge port	3/4" NPT
Shaft diameter	30 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.

7 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	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 1PE	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	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	49528	Crankcase, w/Guide PinsALE	1
54	27488	Pin, GuideS	2
56	27790	Pan, OilPOP	1
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	48535	Plunger (M25 x 110)CC	3
95	48679	Stehbolzen, Plungerhalter (M7x103)SS	3
95	126549	Stud, Plunger Retainer (M7x103)STCP	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	48487	Wick	3
106	44086	Seal, Low-Pressure with SS-SpringNBR	3
107	48537	Washer, Low-PressureBB	3
107	48668	Distanzring, ND-DichtungSS	3
110	48536	SaugstutzenBBCP	1
110	48667	SaugstutzenSS	1
112	11379	O-Ring, Inlet Manifold - 70DNBR	3
117	88398	Screw, HSH (M12 x 40) (Model 2530E)S	4
117	126510	Schraube, Zyl. (M12x35 und M12x40)STCP	4
126	48538	Adapter, FemaleBB	3
126	48669	Adapter, FemaleD	3
127	44610	V-Packing Model 3501, 3501C, V-Packing Model 3511, 3511C 9/6STG	6
128	48539	Adapter, MaleBB	3
128	113025	Adapter, MaleSS	3
141	48672	Spring, CoilSS	18
142	48550	Spacer with Coil SpringsBB	3
142	48670	Spacer with Coil SpringsSS	3
155	17629	O-Ring, Valve Plug - 80DNBR	3
156	28243	Back-up-Ring, V-Packing Spacer 3/6PTFE	3
158	28243	Back-up-Ring, V-Packing Spacer 3/6PTFE	3
159	17629	O-Ring, Valve Plug - 80DNBR	3
162	48363	Backup-Ring, Valve SeatD	6
163	26142	O-Ring, Seat - 80DNBR	6
164	48544	VentilsitzS	6
164	48676	VentilsitzSS	6
166	45839	ValveSS	6
167	45840	SpringSS	6
168	110682	Retainer, SpringPVDF	6
170	44794	Washer, Spring RetainerSS	6
171	48689	Spring, CoilSS	6
172	17667	O-Ring, VentilstopfenNBR	6
174	49295	Ventilstopfen (m/O-Ring nur Modell 2510)SS	6
174	120693	Ventilstopfen (m/O-Ring nur Modell 2510)BBCP	6
185	48543	DruckstutzenBBCP	1
185	48674	DruckstutzenSS	1
188	88399	Schraube, Zyl. (M12x80)S	6
188	126511	Schraube, Zyl. (M12x80)STCP	6
–	6119	Lubricant, Anti-Seize (2 oz) (2531, 2531C)	1
–	6124	Gasket, Liquid (3 oz. / 0,1 l)	1
–	26516	Protector, Shaft	1
–	30278	Oiler (1 oz) (Not Shown) 3	3
–	30696	Reverse Pliers (Not Shown)	1
–	31280	Kit, Seal - Standard NBR	1
–	31285	Ventilsatz - Standard NBR 2510	2
–	34334	Kit, Oil Drain (3/8" x 24") (Not Shown) 1	1
–	49789	Retainer, LPS, RearNY	3
–	76667	Adapter, FemaleSS	3
–	126608	Mount, Rail Assembly	1
–	816747	Pumpenkopf, komplett - 2510	1
–	816785	Pumpenkopf, komplett - 2511	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

76180

NBR (STD)Medium Nitrile (Buna-N)

contains 9 items · one kit per pump
Parts list
- 97 14190 O-Ring, Plungerhalter 3×
- 106 44086 Dichtung, Niederdruck m/SS-Feder 3×
- 112 11379 O-Ring, Saugstutzen 3×
- 126 48669 Adapter, weiblich 3×
- 127 44610 V-Packung 6×
- 155 17629 O-Ring, Distanzstück, hinten 3×
- 156 28243 Stützring, Distanzstück, hinten 3×
- 158 28243 Stützring, Distanzstück, vorne 3×
- 159 17629 O-Ring, Distanzstück, vorne 3×
Seal kit

31380

FPM (0.0110)Fluorocarbon

contains 9 items · one kit per pump
Parts list
- 97 14161 O-Ring, Plungerhalter 3×
- 106 45846 Dichtung, Niederdruck m/SS-Feder 3×
- 112 14183 O-Ring, Saugstutzen 3×
- 112 11739 O-Ring, Saugstutzen 3×
- 127 44610 V-Packung 6×
- 155 14183 O-Ring, Distanzstück, hinten 3×
- 156 28243 Stützring, Distanzstück, hinten 3×
- 158 28243 Stützring, Distanzstück, vorne 3×
- 159 14183 O-Ring, Distanzstück, vorne 3×
Seal kit

76200

EPDM (0.0220)Ethylene Propylene Diene Monomer

contains 9 items · one kit per pump
Parts list
- 97 48239 O-Ring, Plungerhalter 3×
- 106 49196 Dichtung, Niederdruck m/SS-Feder 3×
- 112 701491 O-Ring, Saugstutzen 3×
- 126 48669 Adapter, weiblich 3×
- 127 44610 V-Packung 6×
- 155 701491 O-Ring, Distanzstück, hinten 3×
- 156 28243 Stützring, Distanzstück, hinten 3×
- 158 28243 Stützring, Distanzstück, vorne 3×
- 159 701491 O-Ring, Distanzstück, vorne 3×
Seal kit

76376

STHT (0.3400)Special PTFE High Temp

contains 8 items · one kit per pump
Parts list
- 97 14190 O-Ring, Plungerhalter 3×
- 106 76086 Dichtung, Niederdruck m/SS-Feder 3×
- 112 11379 O-Ring, Saugstutzen 3×
- 127 44610 V-Packung 6×
- 155 17629 O-Ring, Distanzstück, hinten 3×
- 156 28243 Stützring, Distanzstück, hinten 3×
- 158 28243 Stützring, Distanzstück, vorne 3×
- 159 17629 O-Ring, Distanzstück, vorne 3×

Valve kits

Valve kit

31270

NBR (STD)Medium Nitrile (Buna-N)

contains 8 items · 2 kits per pump
Parts list
- 162 48363 Stützring, Ventilsitz 3×
- 163 26142 O-Ring, Ventilsitz 3×
- 164 48544 Ventilsitz (2510) 3×
- 166 45839 Ventil 3×
- 167 45840 Feder, Ventil 3×
- 168 110682 Federhalter, Ventil 3×
- 170 44794 Scheibe, Federhalter 3×
- 172 17667 O-Ring, Ventilstopfen 3×
Valve kit

31275

FPM (0.0110)Fluorocarbon

contains 8 items · 2 kits per pump
Parts list
- 162 48363 Stützring, Ventilsitz 3×
- 163 14330 O-Ring, Ventilsitz 3×
- 164 48544 Ventilsitz (2510) 3×
- 166 45839 Ventil 3×
- 167 45840 Feder, Ventil 3×
- 168 110682 Federhalter, Ventil 3×
- 170 44794 Scheibe, Federhalter 3×
- 172 11745 O-Ring, Ventilstopfen 3×
Valve kit

76370

EPDM (0.0220)Ethylene Propylene Diene Monomer

contains 8 items · 2 kits per pump
Parts list
- 162 48363 Stützring, Ventilsitz 3×
- 163 701493 O-Ring, Ventilsitz 3×
- 164 48544 Ventilsitz (2510) 3×
- 166 45839 Ventil 3×
- 167 45840 Feder, Ventil 3×
- 168 110682 Federhalter, Ventil 3×
- 170 44794 Scheibe, Federhalter 3×
- 172 48240 O-Ring, Ventilstopfen 3×