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High Pressure Plunger Pump · Frame size 68 PFR

6831

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

Data sheet (PDF) Make an enquiry

Technical specifications

Flow rate 151 l/min
Operating pressure 160 bar
Speed 625 min⁻¹
Inlet port 1 1/2"
Discharge port 1"
Shaft diameter 45 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.

8 kits bundle wearing parts of this pump ↓

Skip the drawing, go to the parts list

Exploded view

Exploded view 6831

Parts list

ItemPart no.DescriptionQtyAdd to request list
589728Screw, HH (M10 x 40)S8
615847Lockwasher (M10)S8
719934Washer, Flat (M10)S8
829443Cover, Bearing, OuterALE2
1029444O-Ring, Bearing Cover - 70DNBR2
1111443Seal, Oil, Crankshaft - 70DNBR2
12126594Washer, Shim (M120 x 0.3) 0 - 2STCP0-2
13126595Washer, Shim (M120 x 0.5) 0 - 2STCP0-2
1529441Bearing, RollerSTL2
1629442Cover, Bearing, InnerSTL2
1729444O-Ring, Bearing Cover - 70DNBR2
20126612Assembly, Connecting Rod (Includes: 21, 22)BBHS3
21126560Washer, LockingSTCP3
22126593Washer, Flat (M10.5)STCP6
2529440Crankshaft, Dual End (M65.5)FCM1
3243211Cap, Oil FillerABS1
3314177O-Ring, Oil Filler Cap - 70DNBR1
34126743Bolt, Eye (M12x1.75) (For Lifting Pump Only)STCP1
38129343Gasket, Flat FlexibleRBR1
3927769Dip Stick (Blue)ABS1
4089627Screw, HH (M10 x 30)S8
4115847Lockwasher (M10)S8
4219934Washer, Flat (M10)S8
4825625Plug, Drain (1/4" x 19 BSP[M])STCP1
4923170O-Ring, Drain Plug - 70DNBR1
5029438Cover, RearALE1
51129386Gasket, Rear CoverNBR1
53133667Crankcase Assembly (Includes: 54)ALE1
5443282Pin, GuideS2
6429481Pin, CrossheadCM3
6548735Rod, PlungerSSZZ3
69126588Washer, Oil SealSTCP3
7029454Seal, Oil, Crankcase - 80DNBR3
7543865Slinger, BarrierS3
8845676Washer, Keyhole (M16)S3
9043921Plunger (M40 x 145)CC3
9589778Stud, Plunger Retainer (M10x135)SS3
9620189Back-up-Ring, Plunger RetainerPTFE3
9711345O-Ring, Plunger Retainer - 70DNBR3
9844085Gasket, Plunger Retainer (M7) Model 3501, 3501C, Gasket, Plunger Retainer (M10) Model 3511, 3511CSS3
9944084Retainer, Plunger (M10)SS3
100703084Retainer, SealD3
10644113Seal, Low-Pressure, with SS-SpringNBR3
10845381Spacer, Low-Pressure, SealSS3
110701321Manifold Inlet, Block-StyleSS1
111701116Plug, Inlet [1-1/2" NPT(M)]SS1
112701632O-Ring, Spacer, InletNBR6
113701329Backup Ring, Spacer, InletPTFE6
114701327Spacer, InletSS3
11789694Screw, HSH (M16 x 110), UpperS6
118701077Plug, [1/4" NPT(M)]SS3
12645367Adapter FemaleSS3
12744609V-PackingSTG6
128704480Adapter, MaleSS3
15548860O-Ring, V-Packing Cylinder - 90DNBR3
15648362Backup Ring, V-Packing, Spacer, OuterD6
15745369Spacer, V-PackingSS3
15948860O-Ring, V-Packing Cylinder - 90DNBR3
16044756Pin, Guide IMDMS2
16248363Backup-Ring, Valve SeatD6
16326142O-Ring, Seat - 80DNBR6
16444612Seat, SteppedSS6
16644108ValveSS6
16744109Spring, ValveSS6
16844728Retainer, SpringPVDF6
17044729Washer, Spring RetainerSS6
17144644Coil Spring (70kg), Valve PlugSS6
17289827O-Ring, Valve Plug - 90DNBR6
17348364Backup-Ring, Valve PlugD6
174701432Plug, ValveSS6
17587951Screw, HSH (M10x30)S36
185701431Manifold, Discharge, Block-StyleSS1
188701279Screw, HSH (M12 x 100), LowerS4
19389694Screw, HSH (M16 x 110), UpperS8
25029445Protector, Shaft (Included w/pump)ALE1
25533243Mount, DirectSTZP1
25629649Washer, Slant (M16) (Ensures Proper Alignment Between the Rail and Mounting Screw)STCP4
259126604Rail, Box (Included with Pump)STCP2
–6124Gasket, Liquid (3 oz. / 0,1 l)1
–6139Lubricant, Anti-Seize (8 oz) (Model 1531)1
–34314Kit, Oil Drain (3/8" x 48") (Not Shown)1
–43048Key (M14 x 9 x 90) 11
–88902Stud (M16 x 277) For Removal of DM and IM) (Not Shown) 22
–701322Manifold Inlet, Block-Style, Flushed (Models 6801K, 6811K)SS1
–819010Assembly, Crankcase, Cast Iron Conversion (Not Shown) 11
–828710Protector, Oil Cap with Foam Gasket 11
–910003Head, Complete, Block-Style with NBR Seals and O-Rings (Model 6831)1
–910004Head, Complete, Block-Style with NBR Seals and O-Rings (Model 6831K)1
–990663Assembly, Flushing, 5 Gal, 115V, 1.1 Amp, 1/2" NPT (Model 6821K) 11
–6138Oil, Crankcase, Can 5l2

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

    701647

    NBR (STD)Medium Nitrile (Buna-N)

    contains 8 items · one kit per pump

    Parts list
    • 9711345O-Ring, Plungerhalter3×
    • 10644113Dichtung, Niederdruck, m/SS-Feder3×
    • 112701632O-Ring, Distanzstück6×
    • 113701329Stützring, Distanzstück6×
    • 12744609V-Packung, Set (6 Stück)3×
    • 15548860O-Ring, Distanzstück, V-Packung, innen3×
    • 15648362Stützring, Distanzstück, V-Packung6×
    • 15948860O-Ring, Distanzstück, V-Packung, außen3×

  • Seal kit

    33708

    FPM (0.0110)Fluorocarbon

    contains 8 items · one kit per pump

    Parts list
    • 9711375O-Ring, Plungerhalter3×
    • 10644740Dichtung, Niederdruck, m/SS-Feder3×
    • 112701328O-Ring, Distanzstück6×
    • 113701329Stützring, Distanzstück6×
    • 12744741V-Packung, Set (6 Stück)3×
    • 15520137O-Ring, Distanzstück, V-Packung, innen3×
    • 15648362Stützring, Distanzstück, V-Packung6×
    • 15920137O-Ring, Distanzstück, V-Packung, außen3×

  • Seal kit

    703476

    EPDM (0.0220)Ethylene Propylene Diene Monomer

    contains 8 items · one kit per pump

    Parts list
    • 97701490O-Ring, Plungerhalter3×
    • 10646955Dichtung, Niederdruck, m/SS-Feder3×
    • 112701973O-Ring, Distanzstück6×
    • 113701329Stützring, Distanzstück6×
    • 12744609V-Packung, Set (6 Stück)3×
    • 155701492O-Ring, Distanzstück, V-Packung, innen3×
    • 15648362Stützring, Distanzstück, V-Packung6×
    • 159701492O-Ring, Distanzstück, V-Packung, außen3×

  • Seal kit

    31192

    IPFE (0.0770)I-Perfluoroelastomer

    contains 8 items · one kit per pump

    Parts list
    • 97702961O-Ring, Plungerhalter3×
    • 10676398Dichtung, Niederdruck, m/SS-Feder3×
    • 112703159O-Ring, Distanzstück6×
    • 113701329Stützring, Distanzstück6×
    • 12744609V-Packung, Set (6 Stück)3×
    • 155703291O-Ring, Distanzstück, V-Packung, innen3×
    • 15648362Stützring, Distanzstück, V-Packung6×
    • 159703291O-Ring, Distanzstück, V-Packung, außen3×

Valve kits

  • Valve kit

    34017

    NBR (STD)Medium Nitrile (Buna-N)

    contains 11 items · 2 kits per pump

    Parts list
    • 16248363Stützring, Ventilsitz3×
    • 16326142O-Ring, Ventilsitz3×
    • 16444727Ventilsitz (3520, 3520C)3×
    • 16444612Ventilsitz3×
    • 16643932Ventil (3520, 3520C)3×
    • 16644108Ventil3×
    • 16744109Feder, Ventil3×
    • 16844728Federhalter, Ventil3×
    • 17044729Scheibe, Federhalter3×
    • 17289827O-Ring, Ventilstopfen3×
    • 17348364Stützring, Ventilstopfen3×

  • Valve kit

    31955

    FPM (0.0110)Fluorocarbon

    contains 9 items · 2 kits per pump

    Parts list
    • 16248363Stützring, Ventilsitz3×
    • 16314330O-Ring, Ventilsitz3×
    • 16444612Ventilsitz (3520, 3520C)3×
    • 16644108Ventil (3520, 3520C)3×
    • 16744109Feder, Ventil3×
    • 16844728Federhalter, Ventil3×
    • 17044729Scheibe, Federhalter3×
    • 17211747O-Ring, Ventilstopfen3×
    • 17348364Stützring, Ventilstopfen3×

  • Valve kit

    31952

    EPDM (0.0220)Ethylene Propylene Diene Monomer

    contains 9 items · 2 kits per pump

    Parts list
    • 16248363Stützring, Ventilsitz3×
    • 163701493O-Ring, Ventilsitz3×
    • 16444612Ventilsitz (3520, 3520C)3×
    • 16644108Ventil (3520, 3520C)3×
    • 16744109Feder, Ventil3×
    • 16844728Federhalter, Ventil3×
    • 17044729Scheibe, Federhalter3×
    • 172701494O-Ring, Ventilstopfen3×
    • 17348364Stützring, Ventilstopfen3×

  • Valve kit

    76617

    IPFE (0.0770)I-Perfluoroelastomer

    contains 12 items · 2 kits per pump

    Parts list
    • 16248363Stützring, Ventilsitz3×
    • 16244614Stützring, Ventilsitz3×
    • 163702808O-Ring, Ventilsitz3×
    • 16444612Ventilsitz (3520, 3520C)3×
    • 16644108Ventil (3520, 3520C)3×
    • 16744109Feder, Ventil3×
    • 16844728Federhalter, Ventil3×
    • 17044729Scheibe, Federhalter3×
    • 172703169O-Ring, Ventilstopfen3×
    • 172701369O-Ring, Ventilstopfen3×
    • 17348364Stützring, Ventilstopfen3×
    • 17320388Stützring, Ventilstopfen3×

More models in frame size 68 PFR

High Pressure Plunger Pump 6801

6801
Flow rate
57 l/min
Operating pressure
490 bar
Speed
600 min⁻¹
Material
Stainless Steel
High Pressure Plunger Pump 6810

6810
Flow rate
37.9 l/min
Operating pressure
689 bar
Speed
600 min⁻¹
Material
Stainless Steel
High Pressure Plunger Pump 6811

6811
Flow rate
57 l/min
Operating pressure
345 bar
Speed
600 min⁻¹
Material
Stainless Steel
High Pressure Plunger Pump 6821

6821
Flow rate
95 l/min
Operating pressure
210 bar
Speed
615 min⁻¹
Material
Stainless Steel

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High Pressure Plunger Pump 6831
6831 · High Pressure Plunger Pump