High Pressure Plunger Pump · Frame size 2SF 2SFQ35SEEL

Name: 2SFQ35SEEL
Brand: CAT PUMPS
SKU: 2SFQ35SEEL

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.

Cat Pumps “Q” pump models reduce sound levels by -6 dBa (decibels). With “Q” model pumps and other noise reduction measures, equipment builders can supply quiet, pleasing equipment to their customers.

Stainless steel 2SF Series pumps are hollow-shafted and designed to bolt directly to a 56C-face electric motor, providing an easy, compact installation.

Request this pump Data sheet (PDF) Spare parts

Technical specifications

Flow rate	12 l/min
Operating pressure	83 bar
Speed	1,450 min⁻¹
Inlet port	3/8" NPT
Discharge port	3/8" NPT
Shaft diameter	5/8" (hollow shaft)
Material	Stainless Steel

Downloads

CAD files

STEP – 2SFQ35SEEL (catpumps.com)

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

Exploded view 2SFQ35SEEL — Exploded view

Parts list

Item	Part no.	Description	Qty
5	547445	Screw, HHC Sems (M6 x 14)S	3
8	547153	Cover, BearingAL	1
10	14041	O-Ring, Bearing Cover - 70DNBR	1
11	55337	Seal, Oil, CrankshaftNBR	1
15	14488	Bearing, Ball, InnerSTL	1
20	547046	Rod, ConnectingTNM	3
25	544693	Crankshaft (7.3 mm) 2SFQ25SEELCM	1
26	12385	Ring, Retaining, BearingSTL	1
27	15710	Bearing, Ball, OuterSTL	1
32	547961	Cap, Oil Filler with O-RingRTP	1
33	14179	O-Ring, Oil Filler Cap - 70DNBR	1
37	92241	Gauge, Oil, Bubble with Gasket - 80D 1 - 2PC	1
38	44428	Gasket, Flat, Oil Gauge - 80DNBR	1
48	44842	Plug, DrainNY	1
49	14179	O-Ring, Oil Filler Cap - 70DNBR	1
52	833820	Pin, GuideSSSS	2
53	833819	CrankcaseAL	1
64	16948	Pin, CrossheadCM	3
65	834203	Rod, PlungerSSTO	3
69	126259	Washer, Oil SealSTCP	3
70	25461	Seal, Oil CrankcaseNBR	3
90	544697	Plunger, Ceramic (M18 x 18)CC	3
100	44869	Retainer, SealPVDF	3
106	547683	Seal, Low-Pressure with SS - SpringNBR	3
110	833996	Manifold, InletSS	1
125	44652	Seal, High-Pressure with SS - SupportSNG	3
134	33873	Valve, Inlet, High-TemperatureD	3
135	543689	SpacerSS	3
136	543690	Spring, Inlet ValveSS	3
137	88575	Washer, Conical (M6)S	3
138	543692	Nut (M6)SS	3
152	26089	O-Ring, Seat - 80DNBR	3
157	544700	Adapter, ValveSS	3
159	26089	O-Ring, Seat - 80DNBR	3
164	544293	SeatSS	3
166	833825	ValveD	3
167	543700	SpringSS	3
168	44565	Retainer, Spring, DischargePVDF	3
185	547705	Manifold, DischargeSS	1
188	544701	Screw, HSH (M8 x 80)S	6
255	30517	Assembly, Bolt MountSTZP	1
–	6139	Lubricant, Anti-Seize (8 oz) (Model 1531)	1
–	34974	Inlet Valve Kit - Standard NBR	1
–	45914	Crankshaft, 1725 RPM, 5/8" (8.5mm) 2SF29ELSCM	1
–	80228	Screw, HH (M8 - 1.25 x 80 Full Thread)	2
–	544694	Crankshaft (10.2 mm) 2SFQ35SEELCM	1
–	549726	Cap, Vented with O-Ring (Rain Cap)	1
–	990394	Kit, Oil Drain (Not Shown)	1
–	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

76273

NBR (STD)Medium Nitrile (Buna-N)

contains 4 items · one kit per pump
Parts list
- 106 547683 Dichtung, Niederdruck 3×
- 125 44652 Dichtung, Hochdruck 3×
- 152 26089 O-Ring, Adapter Distanzstück, innen 3×
- 159 26089 O-Ring, Adapter Distanzstück, außen 3×
Seal kit

33453

FPM (0.0110)Fluorocarbon

contains 4 items · one kit per pump
Parts list
- 106 545192 Dichtung, Niederdruck 3×
- 125 44652 Dichtung, Hochdruck 3×
- 152 11377 O-Ring, Adapter Distanzstück, innen 3×
- 159 11377 O-Ring, Adapter Distanzstück, außen 3×
Seal kit

30536

EPDM (0.0220)Ethylene Propylene Diene Monomer

contains 4 items · one kit per pump
Parts list
- 106 546507 Dichtung, Niederdruck 3×
- 125 44652 Dichtung, Hochdruck 3×
- 152 46647 O-Ring, Adapter Distanzstück, innen 3×
- 159 46647 O-Ring, Adapter Distanzstück, außen 3×
Seal kit

76969

FFKM (0.0770)Perfluoroelastomer

contains 6 items · one kit per pump
Parts list
- 106 764431 Dichtung, Niederdruck 3×
- 106 76443 Dichtung, Niederdruck 3×
- 125 760522 Dichtung, Hochdruck 3×
- 125 44652 Dichtung, Hochdruck 3×
- 152 703244 O-Ring, Adapter Distanzstück, innen 3×
- 159 703244 O-Ring, Adapter Distanzstück, außen 3×
Seal kit

32210

HT (0.3000)Hi-Temp (EPDM Alternative)

contains 4 items · one kit per pump
Parts list
- 106 547683 Dichtung, Niederdruck 3×
- 125 46652 Dichtung, Hochdruck 3×
- 152 26089 O-Ring, Adapter Distanzstück, innen 3×
- 159 26089 O-Ring, Adapter Distanzstück, außen 3×

Valve kits

Valve kit

76282

NBR (STD)Medium Nitrile (Buna-N)

contains 5 items · one kit per pump
Parts list
- 152 26089 O-Ring, Adapter Distanzstück, innen 3×
- 159 26089 O-Ring, Adapter Distanzstück, außen 3×
- 164 544293 Ventilsitz 3×
- 167 543700 Feder 3×
- 168 44565 Federhalter, Ventil 3×
Valve kit

33454

FPM (0.0110)Fluorocarbon

contains 6 items · one kit per pump
Parts list
- 152 11377 O-Ring, Adapter Distanzstück, innen 3×
- 159 11377 O-Ring, Adapter Distanzstück, außen 3×
- 164 544293 Ventilsitz 3×
- 166 543669 Ventil 3×
- 167 543700 Feder 3×
- 168 44565 Federhalter, Ventil 3×
Valve kit

30546

EPDM (0.0220)Ethylene Propylene Diene Monomer

contains 6 items · one kit per pump
Parts list
- 152 46647 O-Ring, Adapter Distanzstück, innen 3×
- 159 46647 O-Ring, Adapter Distanzstück, außen 3×
- 164 544293 Ventilsitz 3×
- 166 543669 Ventil 3×
- 167 543700 Feder 3×
- 168 44565 Federhalter, Ventil 3×
Valve kit

76596

FFKM (0.0770)Perfluoroelastomer

contains 6 items · one kit per pump
Parts list
- 152 703244 O-Ring, Adapter Distanzstück, innen 3×
- 159 703244 O-Ring, Adapter Distanzstück, außen 3×
- 164 544293 Ventilsitz 3×
- 166 543669 Ventil 3×
- 167 543700 Feder 3×
- 168 44565 Federhalter, Ventil 3×