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High Pressure Plunger Pump · Frame size 4DX

4DX03ELR

This positive displacement, reciprocating plunger pump is constructed with a brass manifold, 304 stainless steel valve assemblies, solid ceramic plungers and standard NBR (Buna-N) seals and O-rings. "R" pump models include an integral pressure regulating valve.

Data sheet (PDF) Make an enquiry

Technical specifications

Flow rate 1.1 l/min
Operating pressure 138 bar
Speed 1,750 min⁻¹
Inlet port 3/8" NPT(F)
Discharge port 3/8" NPT(M)
Shaft diameter 5/8" (hollow shaft)
Material Brass

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.

3 kits bundle wearing parts of this pump ↓

Skip the drawing, go to the parts list

Exploded view

Exploded view 4DX03ELR

Parts list

ItemPart no.DescriptionQtyAdd to request list
5549360Screw, HH (M6 x 14)STCP3
8547153Cover, BearingAL1
1014041O-Ring, Bearing Cover - 70DNBR1
1155337Seal, Oil, CrankshaftNBR1
1514488Bearing, Ball, InnerSTL1
20547048Rod, ConnectingTNM2
25133148Crankshaft, 5/8", (2.0 mm)CM1
2715710Bearing, Ball, OuterSTL1
32549726Cap, Vented with O-Ring (Rain Cap)1
3314179O-Ring, Oil Filler Cap - 70DNBR1
3792241Gauge, Oil, Bubble with Gasket - 80D 1 - 2PC1
3844428Gasket, Flat, Oil Gauge - 80DNBR1
4844842Plug, DrainNY1
4914179O-Ring, Oil Filler Cap - 70DNBR1
5349801CrankcaseAL1
6446229Pin, CrossheadCM2
65132190Rod, PlungerBB2
7047215Seal, OilNBR3
71133150Retainer, Oil SealBB1
90542403Plunger (M16 x 27)CC2
9846730Washer, Seal - 90DNBR2
99542405Retainer, Plunger (M6 x 35)S2
10046233Retainer, SealD2
10648222Seal, Low-Pressure with S-SpringNBR2
120547357Case, SealBB2
12113976O-Ring, Seal Case - 70DNBR2
12546240Seal, High-PressureNBR2
16013965O-Ring, Seat, Inlet - 70DNBR2
161545177Seat, InletS2
16319285O-Ring, Seat, Discharge - 70DNBR2
164545178Seat, DischargeS2
166547098ValveS4
167134579SpringS4
168543988Retainer, Spring, InletPVDF2
16949764Retainer, Spring, DischargePVDF2
172142807O-Ring, Valve Plug - 90DNBR2
174547104Plug, Valve (M20 x 1.5) with O-RingBB2
185133149Head, Manifold with Integral Regulator BodyBB1
188549357Screw, HSH (M6 x 60)STCP6
197941516Assembly, Garden Hose (3 /8" NPT[M] x 3/4" GH[F])BB1
25530516Assembly, Bolt MountSTZP1
40132088Handle, Adjustable (Not Shown) 1 and tighten using a wrench.NY
40246570Cap, Adjusting 1 11. Insert spring retainer and spring into the body.BB
40833394Spring, Pressure 1 12. Thread the adjusting cap into the body and set for system pressure.STZP
410549352Retainer, Spring 1 Injecting Pressure Chemical Draw Across OrificeSTCP1
41246251Stem, Piston 1 NOTE: If unit is infrequently used or periodically stored, O-rings may become dryBB
41428338Backup Ring, Piston Stem 1 and will need to be replaced.PTFE
41522056O-Ring, Piston Stem - 70D 1 NOTE: Optimum performance of Chemical Injector occurs with a 35 ft.NBR1
42346249Retainer, Valve 1 NOTE: This pump has an internally bypassed regulator and if the pump is operatedBB
42413966O-Ring, Valve Retainer (Outer) - 70D 1 with no flow out the nozzles (100% bypass), heat damage will occur to the seals andNBR
42546248Retainer, Piston 1 valve retainers in a short period of time, requiring premature replacement.BB
42646250Washer 1 REGULATING DEVICES1
42826133O-Ring, Piston Retainer - 80D 1 An integral regulator or unloader with built-in bypass is part of the dischargeNBR1
42917399O-Ring, Plunger Retainer - 80DNBR
435548193Valve 1 fixed chemical injector is available. (See back page for proper model identifications)S1
43646253SeatS1
43713963O-Ring, Seat - 70D 1 OPERATIONNBR1
44626133O-Ring, Piston Retainer - 80D 1 An integral regulator or unloader with built-in bypass is part of the dischargeNBR1
460107681Fitting, Discharge [3/8" NPT(M)] 1 BY-PASSBB1
46876754Kit, O-Ring (Includes: 414, 415, 424, 428, 429, 437) StandardNBR1
–6132Oil, Crankcase, Bottle 1l1

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

    76054

    NBRMedium Nitrile (Buna-N)

    contains 4 items · one kit per pump

    Parts list
    • 9846730Washer, Seal - 90D2×
    • 10648222Seal, Low-Pressure with S-Spring2×
    • 12113976O-Ring, Seal Case - 70D2×
    • 12546240Seal, High-Pressure2×

Repair kits

  • Repair kit

    76031

    NBRMedium Nitrile (Buna-N)

    contains 4 items · one kit per pump

    Parts list
    • 42546248Retainer, Piston 1 valve retainers in a short period of time, requiring premature replacement.1×
    • 42826133O-Ring, Piston Retainer - 80D 1 An integral regulator or unloader with built-in bypass is part of the discharge1×
    • 43646253Seat1×
    • 43713963O-Ring, Seat - 70D 1 OPERATION1×

Valve kits

  • Valve kit

    77032

    NBRMedium Nitrile (Buna-N)

    contains 9 items · one kit per pump

    Parts list
    • 16013965O-Ring, Seat, Inlet - 70D2×
    • 161545177Seat, Inlet2×
    • 16319285O-Ring, Seat, Discharge - 70D2×
    • 164545178Seat, Discharge2×
    • 166547098Valve4×
    • 167134579Spring4×
    • 168543988Retainer, Spring, Inlet2×
    • 16949764Retainer, Spring, Discharge2×
    • 172142807O-Ring, Valve Plug - 90D2×

More models in frame size 4DX

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4DX10ER
Flow rate
3.8 l/min
Operating pressure
138 bar
Speed
3,450 min⁻¹
Material
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High Pressure Plunger Pump 4DX15ER

4DX15ER
Flow rate
5.7 l/min
Operating pressure
138 bar
Speed
3,450 min⁻¹
Material
Brass
High Pressure Plunger Pump 4DX15EUF

4DX15EUF
Flow rate
5.7 l/min
Operating pressure
138 bar
Speed
3,450 min⁻¹
Material
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High Pressure Plunger Pump 4DX20ER

4DX20ER
Flow rate
7.6 l/min
Operating pressure
138 bar
Speed
3,450 min⁻¹
Material
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High Pressure Plunger Pump 4DX03ELR
4DX03ELR · High Pressure Plunger Pump