InterpumpPumps & Compressors

Interpump PUMP VHT6635 L ATEX

The Interpump VHT6635 L ATEX is an industrial pump delivering 35 L/min at 250 bar, rated for 22.7 hp and 1750 rpm. Its compact 340.5 mm length suits high-pressure applications requiring ATEX compliance in hazardous…

SKU 3G-ITP-01254

Also listed as: VHT6635SEX000 · VHT6635SEX 000

Brand

Interpump

Item

PUMP VHT6635 L 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

35 L/min

Pressure

250 bar

Power

16.7 kW

Speed

1750 RPM

Weight

18.5 kg

Dimensions

340.5 mm

Power

22.7 HP

Flow (US)

9.25 GPM

Pressure

25 MPa

Pressure

3600 PSI

Datasheet Content

VHT4721




TECHNICAL INFORMATION
Flow (L/min)                        21
Flow (US Gpm)                       0,246527777777778
Rotation regime (rpm)               1450
Pressure (MPa)                      14
Pressure (bar)                      140
Pressure (psi)                      2030
Power (hp)                          7,5
Power (kW)                          5,51
Overall dimensions L x l x h (mm)   315,5x254,5x146
Weight (kg)                         14,5




VHT4721                                                 3/21/2026   Page 1 - 8
Copyright INTERPUMP GROUP S.P.A
VHT4721

     Documents

Male shaft (key)

Male shaft (key) - vers. ATEX




VHT4721                           3/21/2026   Page 2 - 8
Copyright INTERPUMP GROUP S.P.A
Illustration Male shaft (key)




VHT4721                           3/21/2026   Page 3 - 8
Copyright INTERPUMP GROUP S.P.A
Illustration Male shaft (key)

Pos.     Code           Description                   Qty Notes
KIT370   34037001       KIT 370 INLET/OUTLET VALVES 1
                        (47 VHT)
KIT369   34036901       KIT 369 CPL. SEALS D.22 (47   1
                        VHT)
KIT368   34036801       KIT 368 PISTON BOLT (47 VHT) 1

KIT367   34036701       KIT 367 VALVE PLUGS (47.VHT) 1


KIT3     34000301       KIT 3 OIL SEAL D.30X55X7      1
KIT202   34020201       KIT 202 SEALS D. 22 HT        1
KIT2     34000201       KIT 2 OIL SEAL D. 22X32X5,5   1


57       90387700       O-RING 39,34X2,62 (3156)      1
56       90075600       CIRCLIP D.45 (ZJ45)           1
55       70211801       OIL SIGHT GLASS               1
54       96738000       WASHER 17,5X23X1,5            1
53       98209900       PLUG G. 3/8X13 NICKEL         1
52       96751400       WASHER 21,5X27X1,5            1
51       98217900       PLUG G 1/2X10 NICKEL          1
50       96710600       WASHER 10,2                   4
49       99364400       SCREW M 10x18-5931            4
48       47200074       PUMP FOOT                     2
47       90231000       H.P. SEAL D. 22 (HT)          3
46       47217570       INTERMEDIATE RING D.22 HT     3


45       90230000       L.P. SEAL D.22 (HT)           3
44       47081470       BACK UP RING D. 22 HT         3
43       90361650       O-RING D. 34.65x1.78 HNBR     3
                        70SH 2137
42       90164800       OIL SEAL 30x55x7              1
41       97567800       SHIM D.74,5X104X0,1           1
40       47151022       OPEN SIDE COVER (47-66)       1
39       47219566       PISTON SCREW                  3
38       90358550       O-RING D.10.82x1.78 HNBR      4
                        70SH 2043
37       90506700       ANTI-EXTRUSION RING           3
36       47040509       PISTON D. 22x50               3
35       96728600       WASHER 14X28X0,5              3
33       99309900       SCREW M 8x35 UNI 5931         6
32       96728000       WASHER 14X18,5X0,5            3
31       98204250       PLUG G1/4"x12                 1
30       47221301       OIL SIGHT GLASS ASSY G3/4     1


29       47160622       CRANKCASE COVER               1
28       99188400       SCREW M 6x20 UNI 5931         5




VHT4721                                                           3/21/2026   Page 4 - 8
Copyright INTERPUMP GROUP S.P.A
Illustration Male shaft (key)

Pos.   Code             Description                   Qty Notes

27     47030001         CONNECTING ROD                3
26     47050466         PISTON GUIDE - S.S.           3
25     97738000         CONNECTING-ROD PIN            3
                        D.13X35,5
24     90055700         CIRCLIP D.12 UNI 7435         6
23     91489200         KEY 8(h9)X7X35 UNI 6604/A     1


22     47022135         SHAFT C.14 SEMP. PdF USA      1
21     90392200         O-RING D.133.02X 2,62(3525)   1


20     98210600         OIL DIP-STICK G3/8X80         1
19     47010822         CRANKCASE                     1
18     90912600         BUSHING 22X25X30              3
17     90162500         OIL SEAL 22x32x5              3
16     91837800         TAPER BEARING 32206 SKF       2
15     90391300         O-RING 67,95X2,62 (3268)      2
14     47151222         SIDE CRANKCASE COVER FOR      1
                        OIL GAUGE
13     99303900         SCREW M 8x16 UNI 5931         8
12     36726101         INLET/OUTLET VALVE (47 VHT) 6


11     98222200         VALVE PLUG M24X2X16 NICKEL 6
                        PL.
10     90384750         O-RING D. 20.29x2.62 HNBR     6
                        90SH 3081
9      36200251         VALVE CAGE                    6
8      94737600         SPRING D. 9,4X14,8            6
7      36200176         VALVE PLATE                   6
6      36200366         VALVE SEAT                    6
5      90340100         PACKING D.17.1x22.3x1.8 HNBR 6
                        90SH
4      90510500         BACK-UP RING D.17.4X21.9X0.8 6


2      99320600         HEX-HEAD SCREW M08X70         8
                        UNI5737 10.9 Fe/Zn5c1A+De

1      47120941         MANIFOLD "T"                  1




VHT4721                                                           3/21/2026   Page 5 - 8
Copyright INTERPUMP GROUP S.P.A
Illustration Male shaft (key) - vers. ATEX




VHT4721                                      3/21/2026   Page 6 - 8
Copyright INTERPUMP GROUP S.P.A
Illustration Male shaft (key) - vers. ATEX

Pos.     Code           Description                   Qty Notes
KIT370   34037001       KIT 370 INLET/OUTLET VALVES 1
                        (47 VHT)
KIT369   34036901       KIT 369 CPL. SEALS D.22 (47   1
                        VHT)
KIT368   34036801       KIT 368 PISTON BOLT (47 VHT) 1

KIT367   34036701       KIT 367 VALVE PLUGS (47.VHT) 1


KIT3     34000301       KIT 3 OIL SEAL D.30X55X7      1
KIT202   34020201       KIT 202 SEALS D. 22 HT        1
KIT2     34000201       KIT 2 OIL SEAL D. 22X32X5,5   1


60       99180900       SCREW M06X10 5931 A2-70       1
59       96693950       WASHER 6.4x11.0x0.7 D6798A    1
                        INOX
57       90387700       O-RING 39,34X2,62 (3156)      1
56       90075500       STOP RING J45 UNI7437         1
55       70211801       OIL SIGHT GLASS               1
54       96738000       WASHER 17,5X23X1,5            1
53       98209900       PLUG G. 3/8X13 NICKEL         1
52       96751400       WASHER 21,5X27X1,5            1
51       98217900       PLUG G 1/2X10 NICKEL          1
50       96710600       WASHER 10,2                   4
49       99364400       SCREW M 10x18-5931            4
48       47200074       PUMP FOOT                     2
47       90231000       H.P. SEAL D. 22 (HT)          3
46       47217570       INTERMEDIATE RING D.22 HT     3


45       90230000       L.P. SEAL D.22 (HT)           3
44       47081470       BACK UP RING D. 22 HT         3
43       90361650       O-RING D. 34.65x1.78 HNBR     3
                        70SH 2137
42       90164800       OIL SEAL 30x55x7              1
41       97567800       SHIM D.74,5X104X0,1           1
40       47151022       OPEN SIDE COVER (47-66)       1
39       47219566       PISTON SCREW                  3
38       90358550       O-RING D.10.82x1.78 HNBR      4
                        70SH 2043
37       90506700       ANTI-EXTRUSION RING           3
36       47040509       PISTON D. 22x50               3
35       96728600       WASHER 14X28X0,5              3
33       99309900       SCREW M 8x35 UNI 5931         6
32       96728000       WASHER 14X18,5X0,5            3
31       98203600       PLUG G1/4x8 FOR PROBE D.6     1
                        S.S.




VHT4721                                                           3/21/2026   Page 7 - 8
Copyright INTERPUMP GROUP S.P.A
Illustration Male shaft (key) - vers. ATEX

Pos.   Code             Description                   Qty Notes

30     98226600         PLUG G3/4X16 S.S.             1
29     47160622         CRANKCASE COVER               1
28     99188400         SCREW M 6x20 UNI 5931         5
27     47030001         CONNECTING ROD                3
26     47050466         PISTON GUIDE - S.S.           3
25     97738000         CONNECTING-ROD PIN            3
                        D.13X35,5
24     90055700         CIRCLIP D.12 UNI 7435         6
23     91489200         KEY 8(h9)X7X35 UNI 6604/A     1


22     47022135         SHAFT C.14 SEMP. PdF USA      1
21     90392200         O-RING D.133.02X 2,62(3525)   1


20     98210700         OIL DIPSTICK G3/8X64          1
                        D4+FILTER ATEX
19     47010822         CRANKCASE                     1
18     90912600         BUSHING 22X25X30              3
17     90162500         OIL SEAL 22x32x5              3
16     91837800         TAPER BEARING 32206 SKF       2
15     90391300         O-RING 67,95X2,62 (3268)      2
14     47151322         SIDE CRANKCASE COVER (ATEX) 1


13     99303900         SCREW M 8x16 UNI 5931         8
12     36726101         INLET/OUTLET VALVE (47 VHT) 6


11     98222200         VALVE PLUG M24X2X16 NICKEL 6
                        PL.
10     90384750         O-RING D. 20.29x2.62 HNBR     6
                        90SH 3081
9      36200251         VALVE CAGE                    6
8      94737600         SPRING D. 9,4X14,8            6
7      36200176         VALVE PLATE                   6
6      36200366         VALVE SEAT                    6
5      90340100         PACKING D.17.1x22.3x1.8 HNBR 6
                        90SH
4      90510500         BACK-UP RING D.17.4X21.9X0.8 6


2      99320600         HEX-HEAD SCREW M08X70         8
                        UNI5737 10.9 Fe/Zn5c1A+De

1      47120941         MANIFOLD "T"                  1




VHT4721                                                           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 VHT6635 L ATEX pump used for?

The Interpump VHT6635 L ATEX is a high-pressure industrial pump delivering 35 L/min at 250 bar, designed for hazardous environments requiring ATEX compliance. It is commonly used in industrial cleaning, hydrodemolition, and process water systems where explosion-proof operation is mandatory.

What are the specifications of the Interpump VHT6635 L ATEX pump?

The Interpump VHT6635 L ATEX delivers 35 L/min at 250 bar (3600 psi), with a power rating of 22.7 hp (16.7 kW) at 1750 rpm. It weighs 18.5 kg and has an overall length of 340.5 mm. The pump features a male shaft (key) version and is ATEX-certified for hazardous locations.

Where to buy the Interpump VHT6635 L ATEX pump in Singapore?

3G Electric sources and delivers the Interpump VHT6635 L ATEX pump to Singapore, handling logistics, customs clearance, and local technical support. Contact us for pricing and lead time on this ATEX-compliant high-pressure pump for hazardous environments.

How to maintain the Interpump VHT6635 L ATEX pump?

Regular maintenance of the Interpump VHT6635 L ATEX includes checking and replacing seals, valves, and pistons as per the manufacturer's service intervals. Use only Interpump genuine spare parts such as the KIT370 inlet/outlet valve kit and KIT369 seal kit to ensure ATEX compliance and reliable operation.

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 VHT6635 parts list — 92 parts, 46 available in catalog

Official Parts List

VHT6635 — Male shaft (key) exploded diagram

Repair Kits — Order These for Routine Maintenance

KIT2

KIT 2 OIL SEAL D. 22X32X5,5

34000201×1Available

Interpump PUMP VHT6635 L 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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