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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.

The 277 is also available in an alternate specification with a different operating point: 16.1 l/min, 69 bar, 1,725 min⁻¹. View alternate specification

Request this pump Data sheet (PDF) Spare parts

Technical specifications

Flow rate 13.3 l/min
Operating pressure 105 bar
Speed 1,450 min⁻¹
Inlet port 1/2" NPT(F)
Discharge port 3/8" NPT(F)
Shaft diameter 16.5 mm
Material Nickel-Aluminum-Bronze

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.

10 kits bundle wearing parts of this pump ↓

Skip the drawing, go to the parts list

Exploded view

Exploded view 277

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 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

    30983

    NBR (STD)Medium Nitrile (Buna-N)

    contains 8 items · one kit per pump

    Parts list
    • 97 17399 O-Ring, Plungerhalter 3×
    • 106 44053 Dichtung, Niederdruck 3×
    • 125 44652 Dichtung, Hochdruck 3×
    • 143 17547 O-Ring, Einlassventil Adapter, hinten 3×
    • 154 43893 O-Ring, Einlassventil Adapter, vorne 3×
    • 155 26089 O-Ring, Auslassventil Adapter, hinten 3×
    • 159 26089 O-Ring, Auslassventil Adapter, vorne 3×
    • 165 44001 O-Ring, Ventilsitz 6×

  • Seal kit

    33609

    FPM (0.0110)Fluorocarbon

    contains 8 items · one kit per pump

    Parts list
    • 97 14160 O-Ring, Plungerhalter 3×
    • 106 44926 Dichtung, Niederdruck 3×
    • 125 44925 Dichtung, Hochdruck 3×
    • 143 11685 O-Ring, Einlassventil Adapter, hinten 3×
    • 154 44927 O-Ring, Einlassventil Adapter, vorne 3×
    • 155 11377 O-Ring, Auslassventil Adapter, hinten 3×
    • 159 11377 O-Ring, Auslassventil Adapter, vorne 3×
    • 165 44928 O-Ring, Ventilsitz 6×

  • Seal kit

    33914

    EPDM (0.0220)Ethylene Propylene Diene Monomer

    contains 8 items · one kit per pump

    Parts list
    • 97 46204 O-Ring, Plungerhalter 3×
    • 106 46651 Dichtung, Niederdruck 3×
    • 125 46652 Dichtung, Hochdruck 3×
    • 143 46648 O-Ring, Einlassventil Adapter, hinten 3×
    • 154 46649 O-Ring, Einlassventil Adapter, vorne 3×
    • 155 46647 O-Ring, Auslassventil Adapter, hinten 3×
    • 159 46647 O-Ring, Auslassventil Adapter, vorne 3×
    • 165 46650 O-Ring, Ventilsitz 6×

  • Seal kit

    33915

    HT (0.3000)Hi-Temp (EPDM Alternative)

    contains 8 items · one kit per pump

    Parts list
    • 97 17399 O-Ring, Plungerhalter 3×
    • 106 44053 Dichtung, Niederdruck 3×
    • 125 46652 Dichtung, Hochdruck 3×
    • 143 17547 O-Ring, Einlassventil Adapter, hinten 3×
    • 154 43893 O-Ring, Einlassventil Adapter, vorne 3×
    • 155 26089 O-Ring, Auslassventil Adapter, hinten 3×
    • 159 26089 O-Ring, Auslassventil Adapter, vorne 3×
    • 165 44001 O-Ring, Ventilsitz 6×

  • Seal kit

    76660

    IPFE (0.0770)I-Perfluoroelastomer

    contains 8 items · one kit per pump

    Parts list
    • 97 701715 O-Ring, Plungerhalter 3×
    • 106 702390 Dichtung, Niederdruck 3×
    • 125 701382 Dichtung, Hochdruck 3×
    • 143 703308 O-Ring, Einlassventil Adapter, hinten 3×
    • 154 703307 O-Ring, Einlassventil Adapter, vorne 3×
    • 155 703244 O-Ring, Auslassventil Adapter, hinten 3×
    • 159 703244 O-Ring, Auslassventil Adapter, vorne 3×
    • 165 703309 O-Ring, Ventilsitz 6×

  • Seal kit

    30735

    STHT (0.3400)Special PTFE High Temp

    contains 8 items · one kit per pump

    Parts list
    • 97 17399 O-Ring, Plungerhalter 3×
    • 106 76243 Dichtung, Niederdruck 3×
    • 125 46652 Dichtung, Hochdruck 3×
    • 143 17547 O-Ring, Einlassventil Adapter, hinten 3×
    • 154 43893 O-Ring, Einlassventil Adapter, vorne 3×
    • 155 26089 O-Ring, Auslassventil Adapter, hinten 3×
    • 159 26089 O-Ring, Auslassventil Adapter, vorne 3×
    • 165 44001 O-Ring, Ventilsitz 6×

Valve kits

  • Valve kit

    30982

    NBR (STD)Medium Nitrile (Buna-N)

    contains 10 items · one kit per pump

    Parts list
    • 143 17547 O-Ring, Einlassventil Adapter, hinten 3×
    • 154 43893 O-Ring, Einlassventil Adapter, vorne 3×
    • 155 26089 O-Ring, Auslassventil Adapter, hinten 3×
    • 159 26089 O-Ring, Adapter, Discharge Valve, Front 3×
    • 164 44058 Ventilsitz 6×
    • 165 44001 O-Ring, Ventilsitz 6×
    • 166 44057 Ventil 6×
    • 166 543669 Valve 6×
    • 167 44056 Feder, Ventil 6×
    • 168 44055 Federhalter, Ventil 6×

  • Valve kit

    31216

    FPM (0.0110)Fluorocarbon

    contains 10 items · one kit per pump

    Parts list
    • 143 11685 O-Ring, Einlassventil Adapter, hinten 3×
    • 154 44927 O-Ring, Einlassventil Adapter, vorne 3×
    • 155 11377 O-Ring, Auslassventil Adapter, hinten 3×
    • 159 11377 O-Ring, Adapter, Discharge Valve, Front 3×
    • 164 44058 Ventilsitz 6×
    • 165 44928 O-Ring, Ventilsitz 6×
    • 166 44057 Ventil 6×
    • 166 543669 Valve 6×
    • 167 44056 Feder, Ventil 6×
    • 168 44055 Federhalter, Ventil 6×

  • Valve kit

    31217

    EPDM (0.0220)Ethylene Propylene Diene Monomer

    contains 10 items · one kit per pump

    Parts list
    • 143 46648 O-Ring, Einlassventil Adapter, hinten 3×
    • 154 46649 O-Ring, Einlassventil Adapter, vorne 3×
    • 155 46647 O-Ring, Auslassventil Adapter, hinten 3×
    • 159 46647 O-Ring, Adapter, Discharge Valve, Front 3×
    • 164 44058 Ventilsitz 6×
    • 165 46650 O-Ring, Ventilsitz 6×
    • 166 44057 Ventil 6×
    • 166 543669 Valve 6×
    • 167 44056 Feder, Ventil 6×
    • 168 44055 Federhalter, Ventil 6×

  • Valve kit

    76690

    IPFE (0.0770)I-Perfluoroelastomer

    contains 10 items · one kit per pump

    Parts list
    • 143 703308 O-Ring, Einlassventil Adapter, hinten 3×
    • 154 703307 O-Ring, Einlassventil Adapter, vorne 3×
    • 155 703244 O-Ring, Auslassventil Adapter, hinten 3×
    • 159 703244 O-Ring, Discharge Valve Adapter, Rear 3×
    • 164 44058 Ventilsitz 6×
    • 165 703309 O-Ring, Ventilsitz 6×
    • 166 44057 Ventil 6×
    • 166 543669 Valve 6×
    • 167 44056 Feder, Ventil 6×
    • 168 44055 Federhalter, Ventil 6×

More models in frame size 3 PFR

High Pressure Plunger Pump 230

230
Flow rate
7.4 l/min
Operating pressure
105 bar
Speed
1,450 min⁻¹
Material
Brass
High Pressure Plunger Pump 231

231
Flow rate
7.4 l/min
Operating pressure
105 bar
Speed
1,450 min⁻¹
Material
Stainless Steel
High Pressure Plunger Pump 237

237
Flow rate
7.4 l/min
Operating pressure
105 bar
Speed
1,450 min⁻¹
Material
Nickel-Aluminum-Bronze
High Pressure Plunger Pump 240

240
Flow rate
11.2 l/min
Operating pressure
105 bar
Speed
1,450 min⁻¹
Material
Brass

View all plunger pumps →

High Pressure Plunger Pump 277
277 · High Pressure Plunger Pump
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