High Pressure Plunger Pump · Frame size 15 PFR

1741

Name: 1741
Brand: CAT PUMPS
SKU: 1741

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.

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Technical specifications

Flow rate	56.5 l/min
Operating pressure	70 bar
Speed	1,100 min⁻¹
Inlet port	1"
Discharge port	3/4"
Shaft diameter	30 mm
Material	Stainless Steel

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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.

6 kits bundle wearing parts of this pump ↓

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Parts list

Item	Part no.	Description	Qty
5	49651	Screw, HHC Sems (M8x20) [04/19]S	8
8	134805	Cover, Bearing [04/19]ALE	2
9	815281	Shim, Split 2-Piece 0 - 2FBR	0-2
9	855043	Shim, Split 2-Piece, Bearing Cover 0 - 2FBR	0-2
10	11340	O-Ring, Bearing Cover - 70DNBR	2
11	43495	Seal, Oil, Crankshaft - 70DNBR	2
12	855044	Shim, Split 2-Piece, Bearing Cover 0 - 2S	0-2
15	39060	Bearing, RollerSTL	2
20	48600	Rod, Connecting Assembly [10/01]TNM	3
25	670009	Crankshaft, Dual End (M25)FCM	1
32	43211	Cap, Oil FillerABS	1
33	14177	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
40	92542	Screw, HHC Sems (M6 x 20)S	4
48	25625	Plug, Drain (1/4" x 19 BSP[M])STCP	1
49	23170	O-Ring, Drain Plug - 70DNBR	1
50	133576	Cover, Rear (See Tech Bulltin 118)ALE	1
51	44834	O-Ring, Rear Cover - 70DNBR	1
53	134858	Crankcase, Assembly (Includes: 54)ALE	1
54	27488	Pin, GuideS	2
64	43507	Pin, CrossheadCM	3
65	48933	Rod, Plunger (Center)SHS	1
65	49611	Rod, Plunger (Center)SS	1
66	48931	Rod, Plunger (Outside)SHS	2
66	49609	Rod, Plunger (Outside)SS	2
69	126596	Washer, Oil SealSTCP	3
70	43500	Seal, Oil Crankcase - 80DNBR	3
88	48937	Washer, FlatS	3
90	48938	Plunger, Ceramic (M30 x 65)CC	3
98	46730	Washer, Seal - 90DNBR	3
99	48201	Retainer, Plunger with Stud (M6)SS	3
100	48936	Retainer, SealPVDF	3
106	49067	Seal, Low-Pressure with S-SpringNBR	3
110	48940	Manifold, InletFBB	1
110	49614	Manifold, InletSS	1
112	123903	O-Ring, Inlet Manifold - 90DNBR	3
117	49044	Screw, HSH (M10 x 25)S	4
125	48944	Seal, High-Pressure with Stainless SteelSNG	3
155	123903	O-Ring, Inlet Manifold - 90DNBR	6
157	48946	Spacer, High-Pressure SealBB	3
157	49621	Spacer, High-Pressure SealSS	3
163	26143	O-Ring, Seat - 80DNBR	6
164	48951	SeatS	6
164	49626	SeatSS	6
166	48686	ValveSS	6
167	48687	Spring, ValveSS	6
168	48994	Retainer, SpringPVDF	6
170	49627	Washer, Spring RetainerSS	6
170	123764	Washer, Spring RetainerS	6
172	17629	O-Ring, Valve Plug - 80DNBR	3
174	48952	Plug, ValveFBB	3
174	49628	Plug, ValveSSZZ	3
185	48948	Manifold, DischargeFBB	1
185	49623	Manifold, DischargeSS	1
188	87952	Screw, HSH (M10 x 55)S	10
250	855046	Protector, Shaft with 2 Screws PN 126544NY	1
–	6119	Lubricant, Anti-Seize (2 oz) (2531, 2531C)	1
–	6124	Gasket, Liquid (3 oz. / 0,1 l)	1
–	30264	Mount, Direct	1
–	30716	Key (8 x 7 x 43)	1
–	31770	Kit, Seal (Models 1540E, 1540EC)	1
–	31775	Kit, Valve (Models 1540E, 1540EC)	2
–	34334	Kit, Oil Drain (3/8" x 24") (Not Shown) 1	1
–	49616	Seal, Low-Pressure with SS-SpringNBR	3
–	49619	Seal, HPS, Assembly 2-Piece with SS-SupportSTG	3
–	49853	Manifold, Inlet Flushed (1/8" NPT[F] Port)FBB	1
–	126609	Assembly, Rail	1
–	134147	Manifold, Inlet Flushed (1/8" NPT[F] Port)SS	1
–	701931	Sealant, Silicone (3 oz) (2530E)	1
–	816863	Head, Complete with NBR Seals and O-Rings (Model 1540E)	1
–	818443	Head, Complete with NBR Seals and O-Rings (Model 1541)	1
–	828710	Protector, Oil Cap with Foam Gasket 1	1
–	855047	Protector, Shaft with 2 Screws PN 125753NY	1
–	6132	Oil, Crankcase, Bottle 1l	2

in the request listcovered 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
31430
NBR (STD)Medium Nitrile (Buna-N)
contains 5 items · one kit per pump
Parts list
- 9846730Scheibe, Plungerhalter3×
- 10649067Dichtung, Niederdruck m/S-Feder (Modelle 1540E, 1540EC)3×
- 112123903O-Ring, Saugstutzen3×
- 12548944Dichtung, Hochdruck (Modelle 1540E, 1540EC)3×
- 155123903O-Ring, Distanzstück6×
Seal kit
76430
FPM (0.0110)Fluorocarbon
contains 3 items · one kit per pump
Parts list
- 9848394Scheibe, Plungerhalter3×
- 11276903O-Ring, Saugstutzen3×
- 15576903O-Ring, Distanzstück6×
Seal kit
77321
EPDM (0.0220)Ethylene Propylene Diene Monomer
contains 3 items · one kit per pump
Parts list
- 9848432Scheibe, Plungerhalter3×
- 112701973O-Ring, Saugstutzen3×
- 155701973O-Ring, Distanzstück6×

Valve kits

Valve kit
31450
NBR (STD)Medium Nitrile (Buna-N)
contains 8 items · 2 kits per pump
Parts list
- 16326143O-Ring, Ventilsitz3×
- 16448951Ventilsitz (Modelle 1540E, 1540EC)3×
- 166670108Ventil3×
- 16648686Ventil3×
- 16748687Feder, Ventil3×
- 16848994Federhalter, Ventil3×
- 170123764Scheibe, Federhalter (Modelle 1540E, 1540EC)3×
- 17217629O-Ring, Ventilstopfen3×
Valve kit
76450
FPM (0.0110)Fluorocarbon
contains 8 items · 2 kits per pump
Parts list
- 16314331O-Ring, Ventilsitz3×
- 16448951Ventilsitz (Modelle 1540E, 1540EC)3×
- 166670108Ventil3×
- 16648686Ventil3×
- 16748687Feder, Ventil3×
- 16848994Federhalter, Ventil3×
- 170123764Scheibe, Federhalter (Modelle 1540E, 1540EC)3×
- 17214183O-Ring, Ventilstopfen3×
Valve kit
77331
EPDM (0.0220)Ethylene Propylene Diene Monomer
contains 6 items · 2 kits per pump
Parts list
- 163701660O-Ring, Ventilsitz3×
- 166670108Ventil3×
- 16648686Ventil3×
- 16748687Feder, Ventil3×
- 16848994Federhalter, Ventil3×
- 172701491O-Ring, Ventilstopfen3×