High Pressure Plunger Pump · Frame size 5CP

5CP2120B

Name: 5CP2120B
Brand: CAT PUMPS
SKU: 5CP2120B

This triplex (three plunger rods) positive displacement, reciprocating plunger pump is constructed with a chrome-plated special "B" Series brass manifold , 304 stainless steel valve assemblies, solid ceramic plungers and standard NBR (Buna-N) seals and O-rings.

Data sheet (PDF) Make an enquiry

Technical specifications

Flow rate	15.3 l/min
Operating pressure	172 bar
Speed	960 min⁻¹
Inlet port	1/2" NPT(F)
Discharge port	3/8" NPT(F)
Shaft diameter	20 mm
Material	Brass

Downloads

CAD files

STEP – 5CP2120B (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.

8 kits bundle wearing parts of this pump ↓

Skip the drawing, go to the parts list

Parts list

Item	Part no.	Description	Qty
5	126542	Screw, HHC, Sems (M8x16) 8-8-4STCP	8
8	46910	Cover, Bearing 2/1/2AL
10	14028	O-Ring, Bearing Cover - 70D 2-2-1NBR	2
11	43222	Seal, Oil, Crankshaft 2/1/2NBR
15	14480	Bearing, Ball 2-2-2STL	2
20	48742	Rod, Connecting Assembly [10/01]TNM	3
25	46928	Crankshaft, Dual End, M18 - 5CP3120FCM	1
25	46982	Crankshaft, Dual-EndFCM	1
30	48224	Cover, Bearing, Blind - 5CP6120CSAL	1
32	46798	Cap, Oil Filler, Domed	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
40	125824	Screw, HHC Sems (M6x16) 8/4STCP	4
48	25625	Plug, Drain (1/4" x 19 BSP[M])STCP	1
49	23170	O-Ring, Drain Plug - 70DNBR	1
50	46940	Cover, RearAL	1
51	14044	O-Ring, Rear CoverNBR	1
53	48617	CrankcaseAL	1
64	46746	Pin, CrossheadCM	3
65	48458	Rod, PlungerBBNP	3
70	46838	Seal, Oil, Crankcase - 70DNBR	3
75	43328	Slinger, BarrierS	3
88	45697	Washer, Keyhole (M18 x 10)S	3
90	46841	Plunger (M20x50)CC	3
98	46730	Washer, Seal - 90DNBR	3
100	46749	Retainer, SealPVDF	3
106	43305	Seal, Low-Pressure with S-SpringNBR	3
120	46843	Case, SealBB	3
121	13978	O-Ring, Seal Case - 70D (Models 4SP29ELR, ELU)NBR	3
125	43307	Seal, High-Pressure with S-SupportSNG	3
162	48361	Backup Ring, SeatD	6
163	43358	O-Ring, SeatNBR	6
164	43725	SeatS	6
166	43723	Valve, Q.V.S	6
167	43750	Spring, ValveS	6
168	44565	Retainer, Spring, DischargePVDF	6
172	49382	O-Ring, Valve Plug - 90DNBR	6
174	43849	Plug, ValveBBCP	6
185	48245	Manifold, Head - W770W770	1
188	126513	Screw, HSH (M8x70)STCP	8
–	30057	Key (M6 x 6 x 25)	1
–	30243	Mount, Direct (Belt-Drive Only)	1
–	30611	Assembly, Rail (4.22" See Dimensional Drawing)	1
–	30633	Assembly, Pulley & Key (Not Shown)	1
–	30637	Mount, Rail Assembly (Retro Fit - See Tech Bulletin 078)	1
–	30645	Assembly, Rail (5.02" See Dimensional Drawing)	1
–	30659	Kit, Complete Mounting (Inclds: 30611, 30633, 118672) (Belt Drive Only)	1
–	30696	Reverse Pliers (Not Shown)	1
–	30944	Assembly, Hub & Key (Not Shown)	1
–	34334	Kit, Oil Drain (3/8" x 24") (Not Shown) 1	1
–	48203	-- Crankshaft, Single End, M10 - 5CP3105CSSFCM	1
–	49716	Manifold, Head - Special BrassSBCP	1
–	76513	Assembly, Rail (5.52" See Dimensional Drawing)	1
–	118672	Protector, Shaft (Model 5CP5120)	1
–	127409	Cap, Vented with O-Ring (Rain Cap)	1
–	816650	Head, Complete with NBR Seals & O-Rings (Models 5CP2120W, 2140WCS, 2150W)	1
–	818472	Head, Complete with NBR Seals & O-Rings (Models 5CP2120B, 2140BCS, 2150B)	1
–	6132	Oil, Crankcase, Bottle 1l	1

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
33628
NBR (STD)Medium Nitrile (Buna-N)
contains 4 items · one kit per pump
Parts list
- 9846730Scheibe, Plungerhalter3×
- 10643305Dichtung, Niederdruck m/S-Feder3×
- 12113978O-Ring, Dichtungsgehäuse3×
- 12543307Dichtung, Hochdruck m/S3×
Seal kit
31628
FPM (0.0110)Fluorocarbon
contains 4 items · one kit per pump
Parts list
- 9848394Scheibe, Plungerhalter3×
- 10645153Dichtung, Niederdruck3×
- 12114329O-Ring, Dichtungsgehäuse3×
- 12544936Dichtung, Hochdruck3×
Seal kit
31648
EPDM (0.0220)Ethylene Propylene Diene Monomer
contains 4 items · one kit per pump
Parts list
- 9848432Scheibe, Plungerhalter3×
- 10648429Dichtung, Niederdruck3×
- 12148904O-Ring, Dichtungsgehäuse3×
- 12546667Dichtung, Hochdruck3×
Seal kit
31638
HT (0.3000)Hi-Temp (EPDM Alternative)
contains 4 items · one kit per pump
Parts list
- 9846730Scheibe, Plungerhalter3×
- 10643305Dichtung, Niederdruck m/S-Feder3×
- 12113978O-Ring, Dichtungsgehäuse3×
- 12546667Dichtung, Hochdruck3×
Seal kit
76536
STHT (0.3400)Special PTFE High Temp
contains 5 items · one kit per pump
Parts list
- 9846730Scheibe, Plungerhalter3×
- 10676305Dichtung, Niederdruck m/S-Feder3×
- 12049436Dichtungsgehäuse3×
- 12113978O-Ring, Dichtungsgehäuse3×
- 12546667Dichtung, Hochdruck3×

Valve kits

Valve kit
30821
NBR (STD)Medium Nitrile (Buna-N)
contains 8 items · 2 kits per pump
Parts list
- 16248361Stützring, Ventilsitz3×
- 16343358O-Ring, Ventilsitz3×
- 16443725Ventilsitz3×
- 16643723Ventil3×
- 16743750Feder, Ventil3×
- 16844565Federhalter, Ventil3×
- 17144832Spring, Coil (Models: 301, 301C Only)3×
- 17249382O-Ring, Ventilstopfen3×
Valve kit
31821
FPM (0.0110)Fluorocarbon
contains 8 items · 2 kits per pump
Parts list
- 16248361Stützring, Ventilsitz3×
- 16344938O-Ring, Ventilsitz3×
- 16443725Ventilsitz3×
- 16643723Ventil3×
- 16743750Feder, Ventil3×
- 16844565Federhalter, Ventil3×
- 17144832Spring, Coil (Models: 301, 301C Only)3×
- 17215855O-Ring, Ventilstopfen3×
Valve kit
31162
EPDM (0.0220)Ethylene Propylene Diene Monomer
contains 8 items · 2 kits per pump
Parts list
- 16248361Stützring, Ventilsitz3×
- 16348908O-Ring, Ventilsitz3×
- 16443725Ventilsitz3×
- 16643723Ventil3×
- 16743750Feder, Ventil3×
- 16844565Federhalter, Ventil3×
- 17144832Spring, Coil (Models: 301, 301C Only)3×
- 17248431O-Ring, Ventilstopfen3×