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High Pressure Plunger Pump · Frame size 25 PFR

2531HS

This triplex (three plunger rods) positive displacement, reciprocating plunger pump is constructed with 316 stainless steel manifolds, 316 stainless steel valve assemblies, solid ceramic plungers and standard NBR (Buna-N) seals and O-rings.

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Technical specifications

Flow rate 95 l/min
Operating pressure 83 bar
Speed 1,025 min⁻¹
Inlet port 1 1/4"
Discharge port 3/4"
Shaft diameter 30 mm
Material Stainless Steel

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.

9 kits bundle wearing parts of this pump ↓

Skip the drawing, go to the parts list

Exploded view

Exploded view 2531HS

Parts list

ItemPart no.DescriptionQtyAdd to request list
5125753Screw, HHC, Sems (M8 x 25) (Model 2530E)S8
5126544Screw, HHC, Sems (M8 x 25)STCP8
8134966Cover, Bearing (Models 2560, 2565)ALE2
1027772O-Ring, Bearing Cover - 70DNBR2
1127771Seal, Oil, Crankshaft - 70DNBR2
1526512Bearing, BallSTL2
20126809Assembly, Connecting Rod (Includes Item: 21)BZ3
21126562Washer, Locking (M10)STCP3
2549795Crankshaft - Dual End (M38.5)FCM1
3243211Cap, Oil FillerABS1
3314177O-Ring, Oil Filler Cap - 70DNBR1
36129343Gasket, Flat FlexibleRBR1
3792241Gauge, Oil, Bubble with Gasket - 80D 1 - 2PC1
3844428Gasket, Flat, Oil Gauge - 80DNBR1
3927769Dip Stick (Blue)ABS1
40125753Screw, HHC, Sems (M8 x 25) (Model 2530E)S8
40126544Screw, HHC, Sems (M8 x 25)STCP8
4825625Plug, Drain (1/4" x 19 BSP[M])STCP1
4923170O-Ring, Drain Plug - 70DNBR1
50133582Cover, RearALE1
5127767O-Ring, Rear Cover - 70DNBR1
53133609Crankcase Assembly (Includes Item: 54)ALE1
5427488Pin, GuideS2
5627790Pan, OilPOP1
5992538Screw, HHC, Sems (M6 x 16) (Model 2530E)S2
59125824Screw, HHC Sems (M6x16) 8/4STCP2
6427784Pin, CrossheadCM3
65134716Rod, PlungerSSHB3
7027785Seal, Crankcase Oil -70DNBR3
75110669Slinger, BarrierS3
88110670Washer, Keyhole (M16)S3
9045749Plunger (M32 x 93)CC3
9589835Stud, Retainer (M7 x 87)SS3
9620184Backup Ring, Plunger RetainerPTFE3
9714190O-Ring, Plunger Retainer - 70DNBR3
9844069Gasket, Plunger Retainer (M7) Model 3501, 3501C, Gasket, Plunger Retainer (M10) Model 3511, 3511CSS3
9944068Retainer, Plunger (M7) [7/02]SS3
10049788Retainer, LPS, FrontNY3
101110796Wick, Long Tab (M32)3
10644098Seal, Low-Pressure, with SS - SpringNBR3
11045830Manifold, InletNAB1
11048583Manifold, InletSS1
11049265Manifold, InletCFBB1
11619085Lockwasher, Split (Model 2530E)S4
116126570Lockwasher, SplitSTCP4
11788398Screw, HSH (M12 x 40) (Model 2530E)S4
117126518Screw, HSH (M12 x 40)STCP4
12545832Seal, HPS with SSSNG3
14314203O-Ring, Adapter, LPS, Rear - 70DNBR3
15045752Adapter, LPSBB3
15045835Adapter, LPSSS3
15418690O-Ring, Valve Plug - 70DNBR3
15514520O-Ring, Adapter, Valve - 70DNBR6
15745751Adapter, ValveBB3
15745834Adapter, ValveSS3
16446857Seat [11/95]SS6
16514014O-Ring, SeatNBR6
16645839ValveSS6
16745840SpringSS6
168110682Retainer, SpringPVDF6
18545836Manifold, DischargeNAB1
18548585Manifold, DischargeSS1
18549267Manifold, DischargeCFBB1
18619085Lockwasher, Split (Model 2530E)S8
186126570Lockwasher, SplitSTCP8
18889628Screw, HSH (M12 x 65) (Model 2530E)S8
188126517Screw, HSH (M12 x 65)STCP8
–6119Lubricant, Anti-Seize (2 oz) (2531, 2531C)1
–6124Gasket, Liquid (3 oz. / 0,1 l)1
–19085Lockwasher, Split (Model 2530E)S4
–19085Lockwasher, Split (Model 2530E)S8
–26516Protector, Shaft1
–30278Oiler (1 oz) (Not Shown) 33
–30696Reverse Pliers (Not Shown)1
–30716Key (8 x 7 x 43)1
–34334Kit, Oil Drain (3/8" x 24") (Not Shown) 11
–49545Manifold, Inlet Flushed (1/4" Ports)SS1
–49789Retainer, LPS, RearNY3
–88398Screw, HSH (M12 x 40) (Model 2530E)S4
–89628Screw, HSH (M12 x 65) (Model 2530E)S8
–92538Screw, HHC, Sems (M6 x 16) (Model 2530E)S2
–125753Screw, HHC, Sems (M8 x 25) (Model 2530E)S8
–126608Mount, Rail Assembly1
–701931Sealant, Silicone (3 oz) (2530E)1
–814838Head, Complete - with NBR Seals and O-Rings (Model 2530)1
–816538Head, Complete - with NBR Seals and O-Rings (Model 2537)1
–816735Head, Complete - with NBR Seals and O-Rings (Model 2531)1
–828710Protector, Oil Cap with Foam Gasket 11
–6133Oil, Crankcase, Can 4l1

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

    30952

    NBR (STD)Medium Nitrile (Buna-N)

    contains 6 items · one kit per pump

    Parts list
    • 9714190O-Ring, Plungerhalter3×
    • 10644098Dichtung, Niederdruck m/SS-Feder3×
    • 12545832Dichtung, Hochdruck m/SS3×
    • 14314203O-Ring, Adapter, ND-Dichtung, hinten3×
    • 15418690O-Ring, Adapter, ND-Dichtung, vorne3×
    • 15514520O-Ring, Adapter, Ventil6×

  • Seal kit

    33607

    FPM (0.0110)Fluorocarbon

    contains 6 items · one kit per pump

    Parts list
    • 9714161O-Ring, Plungerhalter3×
    • 10644827Dichtung, Niederdruck m/SS-Feder3×
    • 12548220Dichtung, Hochdruck m/SS3×
    • 14311731O-Ring, Adapter, ND-Dichtung, hinten3×
    • 15411744O-Ring, Adapter, ND-Dichtung, vorne3×
    • 15511745O-Ring, Adapter, Ventil6×

  • Seal kit

    33608

    EPDM (0.0220)Ethylene Propylene Diene Monomer

    contains 6 items · one kit per pump

    Parts list
    • 9748239O-Ring, Plungerhalter3×
    • 10648244Dichtung, Niederdruck m/SS-Feder3×
    • 12548220Dichtung, Hochdruck m/SS3×
    • 14348241O-Ring, Adapter, ND-Dichtung, hinten3×
    • 15448242O-Ring, Adapter, ND-Dichtung, vorne3×
    • 15548240O-Ring, Adapter, Ventil6×

  • Seal kit

    31257

    IPFE (0.0770)I-Perfluoroelastomer

    contains 6 items · one kit per pump

    Parts list
    • 97703586O-Ring, Plungerhalter3×
    • 10676298Dichtung, Niederdruck m/SS-Feder3×
    • 12548220Dichtung, Hochdruck m/SS3×
    • 143701851O-Ring, Adapter, ND-Dichtung, hinten3×
    • 154703588O-Ring, Adapter, ND-Dichtung, vorne3×
    • 155702962O-Ring, Adapter, Ventil6×

  • Seal kit

    76292

    STHT (0.3400)Special PTFE High Temp

    contains 6 items · one kit per pump

    Parts list
    • 9714190O-Ring, Plungerhalter3×
    • 10676298Dichtung, Niederdruck m/SS-Feder3×
    • 12548220Dichtung, Hochdruck m/SS3×
    • 14314203O-Ring, Adapter, ND-Dichtung, hinten3×
    • 15418690O-Ring, Adapter, ND-Dichtung, vorne3×
    • 15514520O-Ring, Adapter, Ventil6×

Valve kits

  • Valve kit

    33952

    NBR (STD)Medium Nitrile (Buna-N)

    contains 8 items · 2 kits per pump

    Parts list
    • 14314203O-Ring, Adapter, ND-Dichtung, hinten3×
    • 15418690O-Ring, Adapter, ND-Dichtung, vorne3×
    • 15514520O-Ring, Adapter, Ventil6×
    • 16446857Ventilsitz3×
    • 16514014O-Ring, Ventilsitz3×
    • 16645839Ventil3×
    • 16745840Feder, Ventil3×
    • 168110682Federhalter, Ventil3×

  • Valve kit

    31267

    FPM (0.0110)Fluorocarbon

    contains 8 items · 2 kits per pump

    Parts list
    • 14311731O-Ring, Adapter, ND-Dichtung, hinten3×
    • 15411744O-Ring, Adapter, ND-Dichtung, vorne3×
    • 15511745O-Ring, Adapter, Ventil6×
    • 16446857Ventilsitz3×
    • 16548238O-Ring, Ventilsitz3×
    • 16645839Ventil3×
    • 16745840Feder, Ventil3×
    • 168110682Federhalter, Ventil3×

  • Valve kit

    31268

    EPDM (0.0220)Ethylene Propylene Diene Monomer

    contains 8 items · 2 kits per pump

    Parts list
    • 14348241O-Ring, Adapter, ND-Dichtung, hinten3×
    • 15448242O-Ring, Adapter, ND-Dichtung, vorne3×
    • 15548240O-Ring, Adapter, Ventil6×
    • 16446857Ventilsitz3×
    • 16548243O-Ring, Ventilsitz3×
    • 16645839Ventil3×
    • 16745840Feder, Ventil3×
    • 168110682Federhalter, Ventil3×

  • Valve kit

    76267

    IPFE (0.0770)I-Perfluoroelastomer

    contains 8 items · 2 kits per pump

    Parts list
    • 143701851O-Ring, Adapter, ND-Dichtung, hinten3×
    • 154703588O-Ring, Adapter, ND-Dichtung, vorne3×
    • 155702962O-Ring, Adapter, Ventil6×
    • 16446857Ventilsitz3×
    • 165703587O-Ring, Ventilsitz3×
    • 16645839Ventil3×
    • 16745840Feder, Ventil3×
    • 168110682Federhalter, Ventil3×

More models in frame size 25 PFR

High Pressure Plunger Pump 2510

2510
Flow rate
76 l/min
Operating pressure
140 bar
Speed
1,450 min⁻¹
Material
Brass
High Pressure Plunger Pump 2511

2511
Flow rate
76 l/min
Operating pressure
105 bar
Speed
1,450 min⁻¹
Material
Stainless Steel
High Pressure Plunger Pump 2530

2530
Flow rate
95 l/min
Operating pressure
70 bar
Speed
1,025 min⁻¹
Material
Brass
High Pressure Plunger Pump 2530E

2530E
Flow rate
94.6 l/min
Operating pressure
83 bar
Speed
1,025 min⁻¹
Material
Brass

View all plunger pumps →

High Pressure Plunger Pump 2531HS
2531HS · High Pressure Plunger Pump