High Pressure Plunger Pump · Frame size 35 PFR 3545

Name: 3545
Brand: CAT PUMPS
SKU: 3545

This triplex (three plunger rods) positive displacement, reciprocating plunger pump is constructed with chrome-plated brass manifolds, 304 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	170.3 l/min
Operating pressure	69 bar
Speed	765 min⁻¹
Inlet port	1 1/2" NPT(F)
Discharge port	1" NPT(F)
Shaft diameter	35 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.

9 kits bundle wearing parts of this pump ↓

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Parts list

Item	Part no.	Description	Qty
5	96049	Screw, HHC Sems (M10x25)S	8
8	134604	Cover, Bearing [06/18]ALE	2
9	815279	Shim, Split, 2-Piece 0 - 2FBR	2
10	12398	O-Ring, Bearing Cover - 70DNBR	2
11	13296	Seal, Oil, Crankshaft 0 - 2NBR	2
12	855049	Shim, Split, 2-Piece 0 - 2S
15	29326	Bearing, RollerSTL	2
20	121467	Rod, Connecting Assembly (Includes: 21, 22, 23) (Model 3521C)TNM	3
21	126749	Washer, Locking (M10)STCP	6
22	126593	Washer, Flat (M10.5)STCP	6
23	122045	Screw, HH (M10x55)STZP	6
25	29325	Crankshaft, Dual End (M48)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
34	126743	Bolt, Eye (M12x1.75) (For Lifting Pump Only)STCP	1
37	92241	Gauge, Oil, Bubble with Gasket - 80D 1 - 2PC	1
38	44428	Gasket, Flat, Oil Gauge - 80DNBR	1
40	125753	Screw, HHC, Sems (M8 x 25) (Model 2530E)S	8
48	25625	Plug, Drain (1/4" x 19 BSP[M])STCP	1
49	23170	O-Ring, Drain Plug - 70DNBR	1
50	45936	Cover, Rear (See Tech Bulltin 118)ALE	1
51	16612	O-Ring, Cover - 70DNBR	1
53	134784	Crankcase Assembly (Includes 54)ALE	1
54	27488	Pin, GuideS	2
56	27790	Pan, OilPOP	1
59	92538	Screw, HHC, Sems (M6 x 16) (Model 2530E)S	2
64	43864	Pin, CrossheadCM	3
65	45116	Rod, Plunger (Model 3521C)SSZZ	3
69	126587	Washer, Oil SealSTCP	3
70	100488	Seal, Oil, CrankcaseNBRS	3
75	43865	Slinger, BarrierS	3
88	45676	Washer, Keyhole (M16)S	3
90	46806	Plunger (M45 x 145)CC	3
95	89778	Stud, Plunger Retainer (M10x135)SS	3
96	20189	Back-up-Ring, Plunger RetainerPTFE	3
97	11345	O-Ring, Plunger Retainer - 70DNBR	3
98	44085	Gasket, Plunger Retainer (M7) Model 3501, 3501C, Gasket, Plunger Retainer (M10) Model 3511, 3511CSS	3
99	44084	Retainer, Plunger (M10)SS	3
100	44119	Retainer, Seal, RearPPG	3
106	46809	Seal, Low-Pressure with S-SpringNBR	3
107	46811	Spacer, Low-Pressure SealBB	3
110	49482	Manifold, InletBBCP	1
112	18688	O-Ring, Inlet Manifold - 70DNBR	3
117	44585	Screw, HSH (M14x40)S	4
126	46812	Adapter, FemaleBB	3
127	46813	V-PackingSTGS	6
128	46814	Adapter, MaleBB	3
141	49483	Spring, Coil, LargeSS	3
155	17784	O-Ring, V-Packing Spacer - 80DNBR	6
157	49484	Spacer, V-PackingBB	3
163	26143	O-Ring, Seat - 80DNBR	6
164	46822	SeatS	6
166	43932	ValveS	6
167	44109	Spring, ValveSS	6
168	44728	Retainer, SpringPVDF	6
170	44729	Washer, Spring RetainerSS	6
171	44644	Coil Spring (70kg), Valve PlugSS	6
172	89827	O-Ring, Valve Plug - 90DNBR	6
173	48364	Backup-Ring, Valve PlugD	6
174	46444	Plug, Valve [02/06]FBB	6
185	49486	Manifold, DischargeBBCP	1
188	89981	Screw, HSH (M12 x 70)S	8
250	855042	Protector, Shaft with Two (2) Screws, Lockwashers and WashersNY	1
–	6124	Gasket, Liquid (3 oz. / 0,1 l)	1
–	30696	Reverse Pliers (Not Shown)	1
–	32273	Crankcase Oil Seal Removal and Installation Kit (Not Shown)	1
–	34018	Mount, Direct (STZP R)	1
–	34021	Key (M10 x 8 x 70) 1	1
–	34314	Kit, Oil Drain (3/8" x 48") (Not Shown)	1
–	80540	Screw, Adjusting (M12 x 100) 2	2
–	92674	Mount, Rail Assembly (STZP R) (Includes: 34018)	1
–	818428	Head, Complete with NBR Seals and O-Rings (Model 3545HS)	1
–	819000	Assembly, Crankcase, Cast Iron Conversion (Not Shown) 1	1
–	990013	Hub, "B", 35 mm (STL) 1	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

33234

NBR (STD)Medium Nitrile (Buna-N)

contains 6 items · one kit per pump
Parts list
- 97 11345 O-Ring, Plungerhalter 3×
- 106 46809 Dichtung, Niederdruck (3545HS) 3×
- 112 18688 O-Ring, Saugstutzen 3×
- 127 46813 V-Packung 6×
- 155 17784 O-Ring, Distanzstück, V-Packung 3×
- 159 17784 O-Ring, Distanzstück, V-Packung 3×
Seal kit

31261

FPM (0.0110)Fluorocarbon

contains 6 items · one kit per pump
Parts list
- 97 11375 O-Ring, Plungerhalter 3×
- 106 702013 Dichtung, Niederdruck (3545HS) 3×
- 112 11739 O-Ring, Saugstutzen 3×
- 127 46813 V-Packung 6×
- 155 20138 O-Ring, Distanzstück, V-Packung 3×
- 159 20138 O-Ring, Distanzstück, V-Packung 3×
Seal kit

33223

EPDM (0.0220)Ethylene Propylene Diene Monomer

contains 6 items · one kit per pump
Parts list
- 97 701490 O-Ring, Plungerhalter 3×
- 106 46945 Dichtung, Niederdruck (3545HS) 3×
- 112 701659 O-Ring, Saugstutzen 3×
- 127 46813 V-Packung 6×
- 155 701658 O-Ring, Distanzstück, V-Packung 3×
- 159 701658 O-Ring, Distanzstück, V-Packung 3×
Seal kit

76615

FFKM (0.0770)Perfluoroelastomer

contains 6 items · one kit per pump
Parts list
- 97 702961 O-Ring, Plungerhalter 3×
- 106 703296 Dichtung, Niederdruck (3545HS) 3×
- 112 704172 O-Ring, Saugstutzen 3×
- 127 46813 V-Packung 6×
- 155 703292 O-Ring, Distanzstück, V-Packung 3×
- 159 703292 O-Ring, Distanzstück, V-Packung 3×
Seal kit

76209

STHT (0.3400)Special PTFE High Temp

contains 5 items · one kit per pump
Parts list
- 97 11345 O-Ring, Plunger Retainer - 70D 3×
- 106 702013 Seal, Low-Pressure, with SS-Spring 3×
- 112 18688 O-Ring, Inlet Manifold - 70D 3×
- 127 46813 V-Packing 6×
- 155 17784 O-Ring, V-Packing Spacer - 80D 6×

Valve kits

Valve kit

33235

NBR (STD)Medium Nitrile (Buna-N)

contains 8 items · 2 kits per pump
Parts list
- 163 26143 O-Ring, Ventilsitz 3×
- 164 46822 Ventilsitz (3545HS) 3×
- 166 43932 Ventil (3545HS) 3×
- 167 44109 Feder, Ventil 3×
- 168 44728 Federhalter, Ventil 3×
- 170 44729 Scheibe, Federhalter 3×
- 172 89827 O-Ring, Ventilstopfen 3×
- 173 48364 Stützring, Ventilstopfen 3×
Valve kit

31262

FPM (0.0110)Fluorocarbon

contains 8 items · 2 kits per pump
Parts list
- 163 14331 O-Ring, Ventilsitz 3×
- 164 48393 3×
- 166 44108 Valve 3×
- 167 44109 Feder, Ventil 3×
- 168 44728 Federhalter, Ventil 3×
- 170 44729 Scheibe, Federhalter 3×
- 172 11747 O-Ring, Ventilstopfen 3×
- 173 48364 Stützring, Ventilstopfen 3×
Valve kit

31235

EPDM (0.0220)Ethylene Propylene Diene Monomer

contains 9 items · 2 kits per pump
Parts list
- 163 171660 O-Ring, Ventilsitz 3×
- 163 701660 O-Ring, Valve Seat 3×
- 164 46822 Seat (3545HS) 3×
- 166 43932 Valve (3545HS) 3×
- 167 44109 Feder, Ventil 3×
- 168 44728 Federhalter, Ventil 3×
- 170 44729 Scheibe, Federhalter 3×
- 172 701494 O-Ring, Ventilstopfen 3×
- 173 48364 Stützring, Ventilstopfen 3×
Valve kit

76636

FFKM (0.0770)Perfluoroelastomer

contains 8 items · 2 kits per pump
Parts list
- 163 703293 O-Ring, Ventilsitz 3×
- 164 48393 3×
- 166 44108 Valve 3×
- 167 44109 Feder, Ventil 3×
- 168 44728 Federhalter, Ventil 3×
- 170 44729 Scheibe, Federhalter 3×
- 172 703169 O-Ring, Ventilstopfen 3×
- 173 48364 Stützring, Ventilstopfen 3×