High Pressure Piston Pump · Frame size 5 PFR 390

This triplex (three piston rods) positive displacement, reciprocating piston pump is constructed with chrome-plated brass manifolds, 304 stainless steel valve assemblies, and chrome-plated 304 stainless steel sleeves and cylinders. Multiple piston cup and seal configurations are available with NBR (Buna-N) O-rings.

The lower RPM belt drive design provides strong inlet suction and long-lasting pump and seal life.

Request this pump Data sheet (PDF) Spare parts

Technical specifications

Flow rate	45 l/min
Operating pressure	40 bar
Speed	1,200 min⁻¹
Inlet port	1" NPT
Discharge port	1/2" NPT
Shaft diameter	20 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.

2 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	43344	Cover, Bearing 2/1/2AL	2
10	43343	O-Ring, Bearing Cover - 70DNBR	2
11	43222	Seal, Oil, Crankshaft 2/1/2NBR	2
15	14480	Bearing, Ball 2-2-2STL	2
20	45883	Rod, Connecting AssemblyHS	3
25	43342	Crankshaft, Dual-End (M18) (Models 310, 310B)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	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	48772	Cover, Rear [07/08]AL	1
51	48773	O-Ring, Rear Cover [07/08]NBR	1
53	48769	CrankcaseAL	1
54	126231	Lockwasher (M10)STCP	2
55	126516	Screw (323: M10 x 30) (390: M10 x 50)STCP	2
55	126531	Screw, HH (M10x30)STCP	2
56	43355	Pan, OilPOP	1
64	43351	Pin, CrossheadCM	3
65	43775	Rod, PistonSZZ	3
65	44312	Rod, PistonSZZ	3
70	43527	Seal, OilNBR	3
75	25327	Slinger, BarrierS	3
77	25392	O-Ring, Sleeve 6/3NBR
80	25299	SleeveSCP	3
80	44311	SleeveSCP	3
81	29003	Backup Ring, Sleeve 3/0PTFE
100	43530	Retainer, SealPVDF	3
101	43532	Wick, Long Tab	3
106	25153	Seal, Low-Pressure, Blue DotNBR	3
110	43767	Manifold, Inlet (323: Bottom Port) (390: Side Port)BBCP	1
110	44286	Manifold, Inlet (323: Bottom Port) (390: Side Port)BBCP	1
112	43781	O-Ring, Inlet Valve Adapter, FrontNBR
113	11261	Spacer, Cylinder (Center Only) 0/1FBR
114	44287	Adapter, Inlet 0/3BB
116	27536	O-Ring, Inlet Adapter, Outer 0/6NBR
119	27944	Valve, InletS	3
119	43533	Valve, InletS	3
130	27945	PistonS	3
131	43788	Ring, ManschettePTFE	3
133	27946	Cup, Piston (323: Machined)FPM	3
133	129579	Cup, Piston (323: Machined)NBR	3
135	27796	Spacer, PistonS	3
135	27983	Spacer, PistonS	3
136	27947	Retainer, PistonS	3
136	29588	Retainer, PistonS	3
137	15850	WasherS	3
137	27006	Washer, Conical (M6)S	3
138	26546	Nut, SlottedS	3
138	27000	Nut, Slotted (M6)S	3
139	14158	Cotterpin (M1.6 x 10)S	3
143	43781	O-Ring, Inlet Valve Adapter, FrontNBR	3
150	43768	CylinderSCP	3
150	44288	CylinderSCP	3
153	21986	Backup Ring, CylinderPTFE	3
155	27536	O-Ring, Inlet Adapter, Outer 0/6NBR
157	44310	Adapter, Discharge 0/3BB
159	43781	O-Ring, Inlet Valve Adapter, FrontNBR	3
163	43793	O-Ring, SeatNBR	3
164	43779	SeatS	3
164	103956	SeatS	3
166	43721	ValveS	3
166	104302	ValveS	3
167	43251	SpringS	3
168	43780	Retainer, SpringS	3
168	103957	Retainer, SpringS	3
185	43770	Manifold, DischargeBBCP	1
187	126551	Stud, Discharge Manifold (323: M8 x 100) (390: M8 x 110)STCP	4
187	126782	Stud, Discharge Manifold (323: M8 x 100) (390: M8 x 110)STCP	4
194	126201	Nut, Hex Flange (M8)STCP	4
–	6124	Gasket, Liquid (3 oz. / 0,1 l)	1
–	28460	Sleeve (Unchromed) (323)S	3
–	30057	Key (M6 x 6 x 25)	1
–	30243	Mount, Direct (Belt-Drive Only)	1
–	31825	Kit, Seal - FPM (Model 390)	1
–	34011	Kit, Seal - Blue Dot (Model 323)	1
–	34334	Kit, Oil Drain (3/8" x 24") (Not Shown) 1	1
–	43835	Cylinder (Unchromed) (323)S	3
–	100015	Seal, Low-Pressure, (Ungreased)FPM	3
–	118672	Protector, Shaft (Model 5CP5120)	1
–	126610	Mounting, Angle Rail (STZP R)	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.

Valve kits

Valve kit

30859

NBR (LEISE)Medium Nitrile (Buna-N)

contains 5 items · one kit per pump
Parts list
- 163 43793 O-Ring, Ventilsitz 3×
- 164 43779 Ventilsitz 3×
- 166 43721 Ventil 3×
- 167 43251 Feder, Ventil 3×
- 168 43780 Federhalter, Ventil 3×
Valve kit

34010

FPM (FLACH)Fluorocarbon

contains 7 items · one kit per pump
Parts list
- 155 27536 O-Ring, Adapter, innen 3×
- 159 43781 O-Ring, Adapter 3×
- 163 43793 O-Ring, Ventilsitz 3×
- 164 103956 Ventilsitz 3×
- 166 104302 Ventil 3×
- 167 43251 Feder, Ventil 3×
- 168 103957 Federhalter, Ventil 3×