InterpumpPumps & Compressors

Interpump PUMP W928 R ATEX

The Interpump W928 R ATEX is an industrial gear pump delivering 15 L/min at 275 bar, rated for 1750 rpm operation. Weighing 14.5 kg with 8.08 kW power consumption, it suits high-pressure hydraulic applications in…

SKU 3G-ITP-01505

Also listed as: W00928EX000 · W00928EX 000

Brand

Interpump

Item

PUMP W928 R ATEX

Local availability & support — Singapore

Local office: 20 Woodlands Link #09-05, Singapore 738733
Phone: +65 8878 8355
Delivery: Same-day or next-business-day delivery within Singapore for in-stock items; 7–14 days for factory-order parts from Europe.
Payment: Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
Ships to: Singapore

Technical Specifications

Interpump

Flow Rate

15 L/min

Pressure

275 bar

Power

8.08 kW

Speed

1750 RPM

Weight

14.5 kg

Dimensions

327 mm

Power

11 HP

Flow (US)

3.96 GPM

Pressure

27.5 MPa

Pressure

4000 PSI

Datasheet Content

W928




TECHNICAL INFORMATION
Flow (L/min)                        15
Flow (US Gpm)                       3,96
Rotation regime (rpm)               1750
Pressure (MPa)                      27,5
Pressure (bar)                      275
Pressure (psi)                      4000
Power (hp)                          11
Power (kW)                          8,08
Overall dimensions L x l x h (mm)   327x236x180
Weight (kg)                         14,5




W928                                              3/21/2026   Page 1 - 8
Copyright INTERPUMP GROUP S.P.A
W928

     Documents

Male shaft (key)

Male shaft (key) - vers. ATEX




W928                              3/21/2026   Page 2 - 8
Copyright INTERPUMP GROUP S.P.A
Illustration Male shaft (key)




W928                              3/21/2026   Page 3 - 8
Copyright INTERPUMP GROUP S.P.A
Illustration Male shaft (key)

Pos.     Code           Description                   Qty Notes
KIT3     34000301       KIT 3 OIL SEAL D.30X55X7      1
KIT2     34000201       KIT 2 OIL SEAL D. 22X32X5,5   1

KIT112   34011201       KIT 112 COMPL.SEAL PISTON     1
                        D.16
KIT111   34011101       KIT 111 PACKING RETAINER D. 1
                        16
KIT110   34011001       KIT 110 INTERM. RING D. 16    1

KIT109   34010901       KIT 109 PACKING D.16 +        1
                        RESTOP
KIT108   34010801       KIT 108 HEAD RING D. 16       1
KIT107   34010701       KIT 107 PISTON BOLT           1
KIT106   34010601       KIT 106 INTAKE/DEL. VALVE     1
                        CAPS
KIT1     34000101       KIT 1 INTAKE/DELIVERY VALVE 1


55       90264200       PACKING D. 16X30              3
54       96738000       WASHER 17,5X23X1,5            1
53       98210000       PLUG G3/8X13                  1
52       96751400       WASHER 21,5X27X1,5            1
51       98217600       PLUG G1/2X10                  1
50       96710600       WASHER 10,2                   4
49       99364400       SCREW M 10x18-5931            4
48       47200074       PUMP FOOT                     2
47       90264300       RESTOP RING D. 16             3
46       47217270       INTERMEDIATE RING D. 16       3
45       47100351       HEAD RING D. 16               3
44       90264400       LOW PRESSURE PACKING          3
                        16X30X8.5
43       47080870       PACKING RETAINER D. 16        3
42       90361600       O-RING 34,65X1,78 (2137)      3
41       90164800       OIL SEAL 30x55x7              1
40       97567800       SHIM D.74,5X104X0,1           1
40       97568000       SHIM D.74.5X104X0.3           1
39       47151022       OPEN SIDE COVER (47-66)       1
38       47219666       PISTON BOLT D. 16             3
37       90357700       O-RING 7,66X1,78 SPEC. (2031) 3


36       90503300       ANTI-EXTRUSION RING           3
35       47040856       PISTON D. 16X49               3
34       47211747       PROTECTION RING               3
32       99309900       SCREW M 8x35 UNI 5931         6
31       90358500       O-RING 10,82X1,78 (2043)      1
30       98204250       PLUG G1/4"x12                 1




W928                                                              3/21/2026   Page 4 - 8
Copyright INTERPUMP GROUP S.P.A
Illustration Male shaft (key)

Pos.   Code             Description                   Qty Notes

29     47221301         OIL SIGHT GLASS ASSY G3/4     1


28     47160622         CRANKCASE COVER               1
27     99188400         SCREW M 6x20 UNI 5931         5
26     47030001         CONNECTING ROD                3
25     47050666         PISTON GUIDE - S.S.(928-9281) 3


24     97738000         CONNECTING-ROD PIN            3
                        D.13X35,5
23     91489200         KEY 8(h9)X7X35 UNI 6604/A     1


22     90055700         CIRCLIP D.12 UNI 7435         6
21     47021735         CRANKSHAFT C.16 S.p.f. U.S.   1


20     90392200         O-RING D.133.02X 2,62(3525)   1


19     98210600         OIL DIP-STICK G3/8X80         1
18     47010822         CRANKCASE                     1
17     90912600         BUSHING 22X25X30              3
16     90162500         OIL SEAL 22x32x5              3
15     91837500         TAPER BEARING                 2
14     90391300         O-RING 67,95X2,62 (3268)      2
13     47151122         CLOSED SIDE COVER (47-66)     1


12     99303900         SCREW M 8x16 UNI 5931         8
11     36703201         VALVE ASSY.                   6
10     98222400         PLUG M 24X1,5X7,5             6
9      90384700         O-RING 20,29X2,62(3081)       6
8      36200251         VALVE CAGE                    6
7      94737600         SPRING D. 9,4X14,8            6
6      36200176         VALVE PLATE                   6
5      36200366         VALVE SEAT                    6
4      90384100         O-RING 17,12X2,62 (3068)      6
2      99320600         HEX-HEAD SCREW M08X70         8
                        UNI5737 10.9 Fe/Zn5c1A+De

1      47121441         PUMP HEAD                     1




W928                                                              3/21/2026   Page 5 - 8
Copyright INTERPUMP GROUP S.P.A
Illustration Male shaft (key) - vers. ATEX




W928                                         3/21/2026   Page 6 - 8
Copyright INTERPUMP GROUP S.P.A
Illustration Male shaft (key) - vers. ATEX

Pos.     Code           Description                   Qty Notes
KIT3     34000301       KIT 3 OIL SEAL D.30X55X7      1
KIT2     34000201       KIT 2 OIL SEAL D. 22X32X5,5   1

KIT112   34011201       KIT 112 COMPL.SEAL PISTON     1
                        D.16
KIT111   34011101       KIT 111 PACKING RETAINER D. 1
                        16
KIT110   34011001       KIT 110 INTERM. RING D. 16    1

KIT109   34010901       KIT 109 PACKING D.16 +        1
                        RESTOP
KIT108   34010801       KIT 108 HEAD RING D. 16       1
KIT107   34010701       KIT 107 PISTON BOLT           1
KIT106   34010601       KIT 106 INTAKE/DEL. VALVE     1
                        CAPS
KIT1     34000101       KIT 1 INTAKE/DELIVERY VALVE 1


60       99180900       SCREW M06X10 5931 A2-70       1
59       96693950       WASHER 6.4x11.0x0.7 D6798A    1
                        INOX
58       90387700       O-RING 39,34X2,62 (3156)      1
57       70211751                                     1
56       90075500       STOP RING J45 UNI7437         1
55       90264200       PACKING D. 16X30              3
54       96738000       WASHER 17,5X23X1,5            1
53       98210000       PLUG G3/8X13                  1
52       96751400       WASHER 21,5X27X1,5            1
51       98217600       PLUG G1/2X10                  1
50       96710600       WASHER 10,2                   4
49       99364400       SCREW M 10x18-5931            4
48       47200074       PUMP FOOT                     2
47       90264300       RESTOP RING D. 16             3
46       47217270       INTERMEDIATE RING D. 16       3
45       47100351       HEAD RING D. 16               3
44       90264400       LOW PRESSURE PACKING          3
                        16X30X8.5
43       47080870       PACKING RETAINER D. 16        3
42       90361600       O-RING 34,65X1,78 (2137)      3
41       90164800       OIL SEAL 30x55x7              1
40       97567800       SHIM D.74,5X104X0,1           1
40       97568000       SHIM D.74.5X104X0.3           1
39       47151022       OPEN SIDE COVER (47-66)       1
38       47219666       PISTON BOLT D. 16             3
37       90357700       O-RING 7,66X1,78 SPEC. (2031) 3




W928                                                              3/21/2026   Page 7 - 8
Copyright INTERPUMP GROUP S.P.A
Illustration Male shaft (key) - vers. ATEX

Pos.   Code             Description                   Qty Notes

36     90503300         ANTI-EXTRUSION RING           3
35     47040856         PISTON D. 16X49               3
34     47211747         PROTECTION RING               3
32     99309900         SCREW M 8x35 UNI 5931         6
31     90358500         O-RING 10,82X1,78 (2043)      1
30     98203600         PLUG G1/4x8 FOR PROBE D.6     1
                        S.S.
29     98226600         PLUG G3/4X16 S.S.             1
28     47160622         CRANKCASE COVER               1
27     99188400         SCREW M 6x20 UNI 5931         5
26     47030001         CONNECTING ROD                3
25     47050666         PISTON GUIDE - S.S.(928-9281) 3


24     97738000         CONNECTING-ROD PIN            3
                        D.13X35,5
23     91489200         KEY 8(h9)X7X35 UNI 6604/A     1


22     90055700         CIRCLIP D.12 UNI 7435         6
21     47021735         CRANKSHAFT C.16 S.p.f. U.S.   1


20     90392200         O-RING D.133.02X 2,62(3525)   1


19     98210700         OIL DIPSTICK G3/8X64          1
                        D4+FILTER ATEX
18     47010822         CRANKCASE                     1
17     90912600         BUSHING 22X25X30              3
16     90162500         OIL SEAL 22x32x5              3
15     91837500         TAPER BEARING                 2
14     90391300         O-RING 67,95X2,62 (3268)      2
13     47151322         SIDE CRANKCASE COVER (ATEX) 1


12     99303900         SCREW M 8x16 UNI 5931         8
11     36703201         VALVE ASSY.                   6
10     98222400         PLUG M 24X1,5X7,5             6
9      90384700         O-RING 20,29X2,62(3081)       6
8      36200251         VALVE CAGE                    6
7      94737600         SPRING D. 9,4X14,8            6
6      36200176         VALVE PLATE                   6
5      36200366         VALVE SEAT                    6
4      90384100         O-RING 17,12X2,62 (3068)      6
2      99320600         HEX-HEAD SCREW M08X70         8
                        UNI5737 10.9 Fe/Zn5c1A+De

1      47121441         PUMP HEAD                     1




W928                                                              3/21/2026   Page 8 - 8
Copyright INTERPUMP GROUP S.P.A

Technical Documents

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Interpump Products

3G Electric (S) Pte. Ltd. — Singapore

Product Description

Frequently Asked Questions

What is the Interpump W928 R ATEX pump used for?

The Interpump W928 R ATEX is a high-pressure industrial gear pump designed for hydraulic applications in hazardous environments requiring ATEX compliance. It delivers 15 L/min at 275 bar and is suitable for demanding industrial systems in sectors such as oil and gas, chemical processing, and marine operations in Singapore.

What are the specifications of the Interpump W928 R ATEX pump?

The Interpump W928 R ATEX pump delivers 15 L/min flow at 275 bar pressure, with a rotation speed of 1750 rpm. It consumes 8.08 kW (11 hp) and weighs 14.5 kg. Overall dimensions are 327 mm x 236 mm x 180 mm. It features a male shaft (key) design and is ATEX-certified for hazardous environments.

Where to buy the Interpump W928 R ATEX pump in Singapore?

3G Electric sources and delivers the Interpump W928 R ATEX pump to Singapore. We handle logistics, customs clearance, and local delivery, ensuring compliance with Singapore's industrial safety standards. Contact our team for pricing and lead time on this ATEX-certified gear pump for hazardous hydraulic applications.

How to install the Interpump W928 R ATEX pump?

Install the Interpump W928 R ATEX pump on a rigid, level foundation to avoid misalignment. Use the provided male shaft key and ensure proper coupling alignment per Interpump's manual. Verify ATEX zone classification and use approved seals. Prime the pump before startup and check rotation direction at 1750 rpm.

Used in

Common applications for Interpump

Shipyard hull cleaning and surface prep — HT100 and W951 paired with dual-lance guns for dockyard service

Petrochemical heat-exchanger descaling — WS-series stainless pumps for neutral-pH cleaning chemistry

Outdoor HVAC condenser mist cooling — ZP180 pumps on rooftop chiller decks

Textile fibre-finishing — W170 and W270 for mist-jet application across drying lines

Municipal water treatment — W951 motor pumps for high-pressure disinfection chemical injection

Spare Parts & Repair Kits

Official W928 parts list — 131 parts, 64 available in catalog

Official Parts List

W928 — Male shaft (key) exploded diagram

Repair Kits — Order These for Routine Maintenance

KIT1

KIT 1 INTAKE/DELIVERY VALVE

34000101×1Available

Interpump PUMP W928 R ATEX

Local availability & support — Singapore

Technical Specifications

Datasheet Content

Technical Documents

Need installation or engineering help?

Ask a question

Product Description

Frequently Asked Questions

Used in

Spare Parts & Repair Kits

Interpump Products

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