High Pressure Plunger Pump · Frame size 3 PFR
277
This triplex (three plunger rods) positive displacement, reciprocating plunger pump is constructed with nickel aluminum bronze manifolds, 316 stainless steel valve assemblies, solid ceramic plungers and standard NBR (Buna-N) seals and O-rings.
The 1420 min⁻¹ permits multiple drive options, including direct drive with a bell housing and flexible coupling, clutch or belt drive.
Technical specifications
| Flow rate | 13.3 l/min |
|---|---|
| Operating pressure | 105 bar |
| Speed | 1,450 min⁻¹ |
| Inlet port | 1/2" |
| Discharge port | 3/8" |
| Shaft diameter | 16.5 mm |
| Material | Nickel-Aluminum-Bronze |
Downloads
- Data sheet German · PDF
- Data sheet English · PDF
- Service manual English · PDF
- Operating manual German / English · PDF
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.
On the request list: 0 · for this pump: 0Open request list →
10 kits bundle wearing parts of this pump ↓
Exploded view

Parts list
| Item | Part no. | Description | Qty | Add to request list |
|---|---|---|---|---|
| 5 | 92538 | Screw, HHC, Sems (M6 x 16) (Model 2530E)S | 8 | |
| 8 | 27950 | Cover, BearingAL | 2 | |
| 10 | 26536 | O-Ring, Bearing Cover - 70DNBR | 2 | |
| 11 | 24159 | Seal, Oil, CrankshaftNBR | 2 | |
| 15 | 14487 | Bearing, BallSTL | 2 | |
| 20 | 48867 | Rod, Connecting AssemblyTNM | 3 | |
| 25 | 46946 | Crankshaft, Dual End - 231, 237 (M7.3)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 | 6 | |
| 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 | 128354 | CrankcaseAL | 1 | |
| 64 | 16948 | Pin, CrossheadCM | 3 | |
| 65 | 45114 | Rod, PlungerSSZZ | 3 | |
| 69 | 126259 | Washer, Oil SealSTCP | 3 | |
| 70 | 25301 | Seal, Oil - 80DNBR | 3 | |
| 71 | 126189 | Washer, Oil SealSTCP | 3 | |
| 75 | 43900 | Slinger, BarrierS | 3 | |
| 88 | 45697 | Washer, Keyhole (M18 x 10)S | 3 | |
| 90 | 43901 | Plunger (M18 x 43)CC | 3 | |
| 95 | 126550 | Stud, Plunger Retainer (M6 x 43)STCP | 3 | |
| 96 | 43235 | Backup Ring, Plunger RetainerPTFE | 3 | |
| 97 | 17399 | O-Ring, Plunger Retainer - 80DNBR | 3 | |
| 98 | 44041 | Gasket, Plunger Retainer (M12.5)SS | 3 | |
| 99 | 44031 | Retainer, Plunger (M6)SS | 3 | |
| 100 | 28597 | Retainer, SealPVDF | 3 | |
| 106 | 44053 | Seal, Low-Pressure with SS-SpringNBR | 3 | |
| 110 | 44052 | Manifold, InletNAB | 1 | |
| 110 | 46425 | Manifold, InletSS | 1 | |
| 116 | 15847 | Lockwasher (M10)S | 2 | |
| 117 | 87950 | Screw, HSH (M10 x 35)S | 2 | |
| 125 | 44652 | Seal, High-Pressure with SS - SupportSNG | 3 | |
| 139 | 44563 | Plug, Inlet [1/2" NPT(M)]NAB | 1 | |
| 139 | 45156 | Plug, Inlet [1/2" NPT(M)]SS | 1 | |
| 143 | 17547 | O-Ring, Seat - 85DNBR | 3 | |
| 150 | 44060 | Adapter, Inlet ValveSS | 3 | |
| 154 | 43893 | O-Ring, Inlet Valve Adapter, Front - 80DNBR | 3 | |
| 155 | 26089 | O-Ring, Seat - 80DNBR | 3 | |
| 157 | 44059 | Adapter, Discharge ValveSS | 3 | |
| 159 | 26089 | O-Ring, Seat - 80DNBR | 3 | |
| 164 | 44058 | SeatSS | 6 | |
| 165 | 44001 | O-Ring, Seat - 80DNBR | 6 | |
| 166 | 44057 | ValveSS | 6 | |
| 167 | 44056 | Spring, ValveSS | 6 | |
| 168 | 44055 | Retainer, SpringSS | 6 | |
| 185 | 44054 | Manifold, DischargeNAB | 1 | |
| 185 | 46427 | Manifold, DischargeSS | 1 | |
| 186 | 15847 | Lockwasher (M10)S | 4 | |
| 188 | 87952 | Screw, HSH (M10 x 55)S | 4 | |
| – | 6119 | Lubricant, Anti-Seize (2 oz) (2531, 2531C) | 1 | |
| – | 6124 | Gasket, Liquid (3 oz. / 0,1 l) | 1 | |
| – | 25130 | Protector, Shaft | 1 | |
| – | 30047 | Key (M5 x 5 x 24) | 1 | |
| – | 30243 | Mount, Direct (Belt-Drive Only) | 1 | |
| – | 30651 | Assembly, Mount, Rail | 1 | |
| – | 34334 | Kit, Oil Drain (3/8" x 24") (Not Shown) 1 | 1 | |
| – | 46951 | Crankshaft, Dual End - 241, 247 (M11)FCM | 1 | |
| – | 108062 | Crankshaft, Dual End - 271, 277 (M12.7)FCM | 1 | |
| – | 126607 | Assy, Angle Rail | 1 | |
| – | 814823 | Head, Complete with NBR Seals & O-Rings (Models 231, 241, 271) | 1 | |
| – | 815262 | Head, Complete with NBR Seals & O-Rings (Models 237, 247, 277) | 1 | |
| – | 828710 | Protector, Oil Cap with Foam Gasket 1 | 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
30983
NBR (STD)Medium Nitrile (Buna-N)
contains 8 items · one kit per pump
Parts list
- 9717399O-Ring, Plungerhalter3×
- 10644053Dichtung, Niederdruck3×
- 12544652Dichtung, Hochdruck3×
- 14317547O-Ring, Einlassventil Adapter, hinten3×
- 15443893O-Ring, Einlassventil Adapter, vorne3×
- 15526089O-Ring, Auslassventil Adapter, hinten3×
- 15926089O-Ring, Auslassventil Adapter, vorne3×
- 16544001O-Ring, Ventilsitz6×
Seal kit
33609
FPM (0.0110)Fluorocarbon
contains 8 items · one kit per pump
Parts list
- 9714160O-Ring, Plungerhalter3×
- 10644926Dichtung, Niederdruck3×
- 12544925Dichtung, Hochdruck3×
- 14311685O-Ring, Einlassventil Adapter, hinten3×
- 15444927O-Ring, Einlassventil Adapter, vorne3×
- 15511377O-Ring, Auslassventil Adapter, hinten3×
- 15911377O-Ring, Auslassventil Adapter, vorne3×
- 16544928O-Ring, Ventilsitz6×
Seal kit
33914
EPDM (0.0220)Ethylene Propylene Diene Monomer
contains 8 items · one kit per pump
Parts list
- 9746204O-Ring, Plungerhalter3×
- 10646651Dichtung, Niederdruck3×
- 12546652Dichtung, Hochdruck3×
- 14346648O-Ring, Einlassventil Adapter, hinten3×
- 15446649O-Ring, Einlassventil Adapter, vorne3×
- 15546647O-Ring, Auslassventil Adapter, hinten3×
- 15946647O-Ring, Auslassventil Adapter, vorne3×
- 16546650O-Ring, Ventilsitz6×
Seal kit
33915
HT (0.3000)Hi-Temp (EPDM Alternative)
contains 8 items · one kit per pump
Parts list
- 9717399O-Ring, Plungerhalter3×
- 10644053Dichtung, Niederdruck3×
- 12546652Dichtung, Hochdruck3×
- 14317547O-Ring, Einlassventil Adapter, hinten3×
- 15443893O-Ring, Einlassventil Adapter, vorne3×
- 15526089O-Ring, Auslassventil Adapter, hinten3×
- 15926089O-Ring, Auslassventil Adapter, vorne3×
- 16544001O-Ring, Ventilsitz6×
Seal kit
76660
IPFE (0.0770)I-Perfluoroelastomer
contains 8 items · one kit per pump
Parts list
- 97701715O-Ring, Plungerhalter3×
- 106702390Dichtung, Niederdruck3×
- 125701382Dichtung, Hochdruck3×
- 143703308O-Ring, Einlassventil Adapter, hinten3×
- 154703307O-Ring, Einlassventil Adapter, vorne3×
- 155703244O-Ring, Auslassventil Adapter, hinten3×
- 159703244O-Ring, Auslassventil Adapter, vorne3×
- 165703309O-Ring, Ventilsitz6×
Seal kit
30735
STHT (0.3400)Special PTFE High Temp
contains 8 items · one kit per pump
Parts list
- 9717399O-Ring, Plungerhalter3×
- 10676243Dichtung, Niederdruck3×
- 12546652Dichtung, Hochdruck3×
- 14317547O-Ring, Einlassventil Adapter, hinten3×
- 15443893O-Ring, Einlassventil Adapter, vorne3×
- 15526089O-Ring, Auslassventil Adapter, hinten3×
- 15926089O-Ring, Auslassventil Adapter, vorne3×
- 16544001O-Ring, Ventilsitz6×
Valve kits
Valve kit
30982
NBR (STD)Medium Nitrile (Buna-N)
contains 10 items · one kit per pump
Parts list
- 14317547O-Ring, Einlassventil Adapter, hinten3×
- 15443893O-Ring, Einlassventil Adapter, vorne3×
- 15526089O-Ring, Auslassventil Adapter, hinten3×
- 15926089O-Ring, Adapter, Discharge Valve, Front3×
- 16444058Ventilsitz6×
- 16544001O-Ring, Ventilsitz6×
- 16644057Ventil6×
- 166543669Valve6×
- 16744056Feder, Ventil6×
- 16844055Federhalter, Ventil6×
Valve kit
31216
FPM (0.0110)Fluorocarbon
contains 10 items · one kit per pump
Parts list
- 14311685O-Ring, Einlassventil Adapter, hinten3×
- 15444927O-Ring, Einlassventil Adapter, vorne3×
- 15511377O-Ring, Auslassventil Adapter, hinten3×
- 15911377O-Ring, Adapter, Discharge Valve, Front3×
- 16444058Ventilsitz6×
- 16544928O-Ring, Ventilsitz6×
- 16644057Ventil6×
- 166543669Valve6×
- 16744056Feder, Ventil6×
- 16844055Federhalter, Ventil6×
Valve kit
31217
EPDM (0.0220)Ethylene Propylene Diene Monomer
contains 10 items · one kit per pump
Parts list
- 14346648O-Ring, Einlassventil Adapter, hinten3×
- 15446649O-Ring, Einlassventil Adapter, vorne3×
- 15546647O-Ring, Auslassventil Adapter, hinten3×
- 15946647O-Ring, Adapter, Discharge Valve, Front3×
- 16444058Ventilsitz6×
- 16546650O-Ring, Ventilsitz6×
- 16644057Ventil6×
- 166543669Valve6×
- 16744056Feder, Ventil6×
- 16844055Federhalter, Ventil6×
Valve kit
76690
IPFE (0.0770)I-Perfluoroelastomer
contains 10 items · one kit per pump
Parts list
- 143703308O-Ring, Einlassventil Adapter, hinten3×
- 154703307O-Ring, Einlassventil Adapter, vorne3×
- 155703244O-Ring, Auslassventil Adapter, hinten3×
- 159703244O-Ring, Discharge Valve Adapter, Rear3×
- 16444058Ventilsitz6×
- 165703309O-Ring, Ventilsitz6×
- 16644057Ventil6×
- 166543669Valve6×
- 16744056Feder, Ventil6×
- 16844055Federhalter, Ventil6×
More models in frame size 3 PFR
230
- Flow rate
- 7.4 l/min
- Operating pressure
- 105 bar
- Speed
- 1,450 min⁻¹
- Material
- Brass
231
- Flow rate
- 7.4 l/min
- Operating pressure
- 105 bar
- Speed
- 1,450 min⁻¹
- Material
- Stainless Steel
237
- Flow rate
- 7.4 l/min
- Operating pressure
- 105 bar
- Speed
- 1,450 min⁻¹
- Material
- Nickel-Aluminum-Bronze
240
- Flow rate
- 11.2 l/min
- Operating pressure
- 105 bar
- Speed
- 1,450 min⁻¹
- Material
- Brass