High Pressure Plunger Pump · Frame size 7 PFR 56

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

The 56 is also available in an alternate specification with a different operating point: 30.3 l/min, 172 bar, 1,760 min⁻¹. View alternate specification

Request this pump Data sheet (PDF) Spare parts

Technical specifications

Flow rate	20.8 l/min
Operating pressure	241 bar
Speed	1,210 min⁻¹
Inlet port	1/2" NPT(F)
Discharge port	3/8" NPT(F)
Shaft diameter	24 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.

6 kits bundle wearing parts of this pump ↓

Skip the drawing, go to the parts list

Parts list

Item	Part no.	Description	Qty
5	125824	Screw, HHC Sems (M6x16) 8/4STCP	8
8	133571	Cover, BearingALE	1
9	815280	Shim, Split, 2-Piece 2 - 4FBR
10	12393	O-Ring, Bearing Cover 2/1NBR
11	43222	Seal, Oil, Crankshaft 2/1/2NBR
15	43221	Bearing, RollerSTL	2
20	48863	Rod, Connecting [6/02]TNM	3
25	43464	Crankshaft, Single End (M24)FCM	1
30	133572	Cover, Bearing, BlindALE	1
32	44666	Cap, Oil Filler, Domed-Gearbox ModelsRTP	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	126541	Screw, HHC Sems (M6 x 20)STCP	4
48	25625	Plug, Drain (1/4" x 19 BSP[M])STCP	1
49	23170	O-Ring, Drain Plug - 70DNBR	1
50	133569	Cover, RearALE	1
51	14047	O-Ring, Rear Cover - 70DNBR	1
53	133593	Crankcase (M10)ALE	1
56	43240	Pan, OilPOP	1
64	43237	Pin, CrossheadCM	3
65	48913	Rod, Plunger, Short [5/02]SHS	3
65	49892	Rod, PlungerSBZ	3
69	126589	Washer, Oil SealSTCP	3
70	43228	Seal, Oil, CrankcaseNBR	3
75	43328	Slinger, BarrierS	3
88	45697	Washer, Keyhole (M18 x 10)S	3
90	43232	Plunger (M18 x 77) (Model 530)CC	3
95	126559	Stud, Plunger Retainer (M6 x 70)STCP	3
96	43235	Backup Ring, Plunger RetainerPTFE	3
97	17399	O-Ring, Plunger Retainer - 80DNBR	3
98	45891	Gasket, Plunger Retainer (M12.5)CU	3
99	46504	Retainer, Plunger (M6)S	3
100	45689	Retainer, Seal, 2-PiecePVDF	3
101	43239	Wick, Long TabFBR	3
106	43243	Seal, Low-Pressure with S-SpringNBR	3
120	45685	Case, SealBB	3
121	20285	O-Ring, Seal Case - 70DNBR	3
126	44550	Adapter, FemaleBB	3
127	44549	V-PackingSNG	6
128	45618	Adapter, MaleBB	3
162	43248	Backup Ring, SeatPTFE	6
163	43249	O-Ring, Seat - 80DNBR	6
164	43722	SeatS	6
166	43721	ValveS	6
167	43751	Spring, ValveS	6
168	44564	Retainer, SpringPVDF	6
172	14179	O-Ring, Oil Filler Cap - 70DNBR	6
173	20213	Backup Ring, Valve PlugPTFE	6
174	45939	Plug, Valve, ExtendedBB	6
185	45937	Head, Manifold, (M10)FBB	1
186	49680	Washer, Spring (M10)S	4
188	49679	Screw, HSH (M10 x 35)S	4
500	8071	Gearbox - 1" Shaft (See individual Data Sheet) (Models 56G1, 56HSG1)	1
–	6124	Gasket, Liquid (3 oz. / 0,1 l)	1
–	30067	Key (M8x7.5x25)	1
–	30243	Mount, Direct (Belt-Drive Only)	1
–	30611	Assembly, Rail (4.22" See Dimensional Drawing)	1
–	30645	Assembly, Rail (5.02" See Dimensional Drawing)	1
–	30696	Reverse Pliers (Not Shown)	1
–	33005	Socket, Seal Case (1/2" Drive) (Not Shown)	1
–	34334	Kit, Oil Drain (3/8" x 24") (Not Shown) 1	1
–	76513	Assembly, Rail (5.52" See Dimensional Drawing)	1
–	814618	Head, Complete with NBR Seals and O-rings	1
–	828710	Protector, Oil Cap with Foam Gasket 1	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

30799

NBR (STD)Medium Nitrile (Buna-N)

contains 5 items · one kit per pump
Parts list
- 97 17399 O-Ring, Plungerhalter 3×
- 101 43239 Ölfilz 3×
- 106 43243 Dichtung, Niederdruck 3×
- 121 20285 O-Ring, Dichtungsgehäuse 3×
- 127 44549 V-Packung 6×
Seal kit

34237

FPM (0.0110)Fluorocarbon

contains 5 items · one kit per pump
Parts list
- 97 14160 O-Ring, Plungerhalter 3×
- 101 43239 Ölfilz 3×
- 106 44926 Dichtung, Niederdruck 3×
- 121 11693 O-Ring, Dichtungsgehäuse 3×
- 127 45617 V-Packung 6×
Seal kit

76799

HT (0.3000)Hi-Temp (EPDM Alternative)

contains 5 items · one kit per pump
Parts list
- 97 17399 O-Ring, Plungerhalter 3×
- 101 43239 Ölfilz 3×
- 106 43243 Dichtung, Niederdruck 3×
- 121 20285 O-Ring, Dichtungsgehäuse 3×
- 127 48300 V-Packung 6×
Seal kit

76826

STHT (0.3400)Special PTFE High Temp

contains 5 items · one kit per pump
Parts list
- 97 17399 O-Ring, Plungerhalter 3×
- 101 43239 Ölfilz 3×
- 106 76243 Dichtung, Niederdruck 3×
- 121 20285 O-Ring, Dichtungsgehäuse 3×
- 127 48300 V-Packung 6×

Valve kits

Valve kit

33820

NBR (STD)Medium Nitrile (Buna-N)

contains 16 items · 2 kits per pump
Parts list
- 162 43248 Backup Ring, Seat 3×
- 163 43249 O-Ring, Ventilsitz 3×
- 163 43248 Backup Ring, Seat 3×
- 164 43722 Ventilsitz 3×
- 164 43249 O-Ring, Seat 3×
- 166 43721 Ventil 3×
- 166 43722 3×
- 167 43751 Feder, Ventil 3×
- 167 43721 Valve 3×
- 168 44564 Federhalter, Ventil 3×
- 168 43751 Spring 3×
- 172 15855 O-Ring, Ventilstopfen 3×
- 172 14179 O-Ring, Valve Plug 3×
- 172 44564 Retainer, Spring 3×
- 173 20213 Stützring, Ventilstopfen 3×
- 173 14179 O-Ring, Valve Plug 3×
Valve kit

34238

FPM (0.0110)Fluorocarbon

contains 15 items · 2 kits per pump
Parts list
- 162 43248 Backup Ring, Seat 3×
- 163 44383 O-Ring, Ventilsitz 3×
- 163 43248 Backup Ring, Seat 3×
- 164 43722 Ventilsitz 3×
- 164 44383 O-Ring, Seat 3×
- 166 43721 Ventil 3×
- 166 43722 3×
- 167 43751 Feder, Ventil 3×
- 167 43721 Valve 3×
- 168 44564 Federhalter, Ventil 3×
- 168 43751 Spring 3×
- 172 15855 O-Ring, Ventilstopfen 3×
- 172 44564 Retainer, Spring 3×
- 173 20213 Stützring, Ventilstopfen 3×
- 173 15855 O-Ring, Valve Plug 3×