Interpump PUMP WK5021 DX * FLUSHING

Technical Documents

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1 Technical Document Available
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Interpump PUMP WK5021 DX * FLUSHING

SKU 3G-ITP-01818

Brand
Interpump
Item
PUMP WK5021 DX * FLUSHING
Category
Pumps & Compressors

Technical Specifications

Interpump
Flow Rate
21 L/min
Pressure
500 bar
Power
20.59 kW
Speed
1450 RPM
Weight
21.5 kg
Dimensions
350 mm
Power
28 HP
Flow (US)
5.55 GPM
Pressure
50 MPa
Pressure
7250 PSI
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Solutions Engineering

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Interpump Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

Interpump's POMPA WK5021 DX FLUSHING industrial pump delivers robust performance for demanding applications requiring high-pressure output. Operating at 1450 RPM, this Italian-engineered unit generates 20.59 kW of power while maintaining a 500 bar pressure rating and 21 L/min flow capacity. Weighing just 21.5 kg with compact 350mm dimensions, the pump suits cleaning systems, pressure washing operations, and industrial surface treatment processes. Its reliable construction makes it ideal for manufacturing facilities and maintenance operations requiring consistent performance. Available from 3G Electric Singapore, an Interpump distributor, the WK5021F-000 provides dependable solutions for professional industrial applications.

Spare Parts & Repair Kits

Official WK5021 parts list — 107 parts, 54 available in catalog

Official Parts List
Exploded Diagram — Male shaft (key)View full size
WK5021 — Male shaft (key)

Repair Kits — Order These for Routine Maintenance

KIT2
KIT 2 OIL SEAL D. 22X32X5,5
34000201×1Available
View
KIT3
KIT 3 OIL SEAL D.30X55X7
34000301×1Available
View
KIT150
KIT 150 INTAKE/DEL.VALVE
34015001×1Available
View
KIT176
KIT176 COMPLETE SEALS D.18
34017601×1Available
View
KIT180
KIT 180 SEALS D. 18
34018001×1Available
View

Individual Components

PosCodeDescriptionQty
3
PLUG G1/8X8 S.S.
98197200×3Available
View
7
O-RING 17,12X2,62 (3068)
90384100×6Available
View
8
VALVE SEAT
36200366×6Available
View
9
SPHERICAL VALVE
36203266×6Available
View
10
SPRING D. 9,4X14,8
94737600×6Available
View
11
VALVE CAGE
36202551×6Available
View
12
INTAKE/DELIVERY VALVE
36712101×6Available
View
13
O-RING 23,81X2,62 (132)
90385700×6Available
View
14
ANTI-EXTR.RING D.24.7x29x1.5
90516500×3Available
View
18
O-RING 17,86X2,62 (123)
90384300×3Available
View
19
ANTI-EXTRUSION RING
90511500×3Available
View
22
WASHER 21,5X27X1,5
96751400×1Available
View
23
PLUG G 1/2X10 NICKEL
98217900×1Available
View
24
PLUG G. 3/8X13 NICKEL
98209900×1Available
View
26
PISTON BOLT
66219566×3Available
View
28
PISTON D.18X54
66040309×3Available
View
29
PACKING 18.0x28x10.0 HP 66
90265500×3Available
View
30
INTERMEDIATE RING D. 18 WK5021
66216370×3Available
View
31
SEAL D.18X26X6,5 L.P.
90265200×3Available
View
32
O-RING 34,65X1,78 (2137)
90361600×3Available
View

Need multiple parts? Request a bundled quote

54 parts available in our catalog — get a single quote with volume pricing

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Genuine manufacturer parts Expert technical support Worldwide shipping

Official WK5021 parts list — Industrial Pumps (Series 69)

Recommended Spare Parts

Spare Parts

PACKING RETAINER D.18

66080370

Spare Parts

INTERMEDIATE RING D. 18

66216370

Spare Parts

PACKING 18.0x28x10.0 HP 66

90265500

Accessories

WASHER 21,5X27X1,5

96751400

Spare Parts

KIT 180 SEALS D. 18

34018001

Accessories

KEY 8(h9)X7X35 UNI 6604/A

91489200

Spare Parts

PISTON GUIDE - S.S.

66050066

Spare Parts

O-RING 10,82X1,78 (2043)

90358500

Accessories

PLUG G 1/2X10 NICKEL

98217900

Spare Parts

CRANKSHAFT C.19 - D. 24

66020035

Spare Parts

KIT176 COMPLETE SEALS D.18

34017601

Valves

INTAKE/DELIVERY VALVE

36712101

Interpump Products

3G Electric supplies Interpump pumps & compressors. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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