CAT PUMPS
0 Request list DE – Deutsch
CAT PUMPS
Deutsch +49 6126 9303-0

High Pressure Piston Pump · Frame size 5 PFR 323

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 19 l/min
Operating pressure 105 bar
Speed 1,000 min⁻¹
Inlet port 1/2" NPT
Discharge port 1/2" NPT
Shaft diameter 20 mm
Material Brass

Downloads

CAD files

323: drive, frame size and accessories

Drive
At its rated point – 19 l/min at 105 bar – the 323 needs about 4.2 kW of drive power by the rule of thumb pressure × flow / 480; the next standard motor size above is 5.5 kW. More under Sizing and drive.
Accessories
Our catalogue has 24 pressure regulators, 29 unloader valves, 31 pressure relief valves and 14 pulsation dampeners that suit 19 l/min and 105 bar. The lists are filtered to this operating point.

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

Exploded view

Exploded view 323

Parts list

Item Part no. Description Qty Add to request list
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×

More models in frame size 5 PFR

High Pressure Piston Pump 390

390
Flow rate
45 l/min
Operating pressure
40 bar
Speed
1,200 min⁻¹
Material
Brass

View all piston pumps →

High Pressure Piston Pump 323
323 · High Pressure Piston Pump
Request this pump Call