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Interpump PUMP WS151 R ATEX - Pumps & Compressors
InterpumpPumps & Compressors

Interpump PUMP WS151 R ATEX

Interpump WS151 R ATEX is an industrial high-pressure pump delivering 21 L/min at 150 bar, rated 5.51 kW. Designed for hazardous-area applications requiring ATEX compliance, it operates at 1450 rpm and weighs 14.5…

SKU 3G-ITP-01878

Also listed as: WS0152EX000 · WS0152EX 000

Brand
Interpump
Item
PUMP WS151 R ATEX
Category
Pumps & Compressors
UNSPSC
40151527 — Plunger pumps
Available to Order
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Authorized Distributor
Direct from OEM
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Air & sea freight
Datasheet on Request
Technical specs
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Replies within 24h

Local availability & support

Delivery
Worldwide DHL shipping from Singapore; 7–14 business days door-to-door for most destinations.
Payment
Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.

Technical Specifications

Interpump
Flow Rate
21 L/min
Pressure
150 bar
Power
5.51 kW
Speed
1450 RPM
Weight
14.5 kg
Dimensions
317.5 mm
Power
7.5 HP
Flow (US)
5.55 GPM
Pressure
15 MPa
Pressure
2175 PSI

Datasheet Content

E3C2513 TECHNICAL INFORMATION Flow (L/min) 13 Flow (US Gpm) 3,43 Rotation regime (rpm) 1750 Pressure (MPa) 25 Pressure (bar) 250 Pressure (psi) 3625 Power (hp) 8,4 Power (kW) 6,18 Overall dimensions L x l x h (mm) 265x223x140 Weight (kg) 9,5 E3C2513 3/21/2026 Page 1 - 8 Copyright INTERPUMP GROUP S.P.A E3C2513 Documents Male shaft (key) Pump head with VH integrated valve E3C2513 3/21/2026 Page 2 - 8 Copyright INTERPUMP GROUP S.P.A Illustration Male shaft (key) E3C2513 3/21/2026 Page 3 - 8 Copyright INTERPUMP GROUP S.P.A Illustration Male shaft (key) Pos. Code Description Qty Notes KIT292 34029201 KIT 292 VALVE PLUGS (NICK.)59 1 S. KIT289 34028901 KIT 289 CPL.SEAL D.18 59 SER. 1 KIT284 34028401 KIT 284 PACKING D.18 59 1 SERIES KIT271 34027101 KIT 271 OIL SEAL D.15 1 58/59 SERIES KIT269 34026901 KIT 269 INTAKE/DELIVERY 1 VALVES 63 50200074 PUMP FOOT 2 62 96701600 WASHER 8,4 4 61 99303700 SCREW M 8x16-5739 4 60 91489200 KEY 8(h9)X7X35 UNI 6604/A 1 59 90164800 OIL SEAL 30x55x7 1 58 47151022 OPEN SIDE COVER (47-66) 1 57 90358500 O-RING 10,82X1,78 (2043) 1 56 98204250 PLUG G1/4"x12 1 55 59160022 REAR CRANKCASE COVER 1 54 90392200 O-RING D.133.02X 2,62(3525) 1 53 98211300 ASTA LIVELLO OLIO G3/8x54 D.4 1 52 97567800 SHIM D.74,5X104X0,1 1 52 97568000 SHIM D.74.5X104X0.3 1 51 90391300 O-RING 67,95X2,62 (3268) 2 50 91837500 TAPER BEARING 2 49 99303900 SCREW M 8x16 UNI 5931 12 48 90075600 CIRCLIP D.45 (ZJ45) 1 47 59020335 CRANKSHAFT C.10 1 46 70211801 OIL SIGHT GLASS 1 45 90387700 O-RING 39,34X2,62 (3156) 1 44 47151222 SIDE CRANKCASE COVER FOR 1 OIL GAUGE 43 99309900 SCREW M 8x35 UNI 5931 6 42 59030001 CONNECTING ROD COMPLETE 3 41 97739900 GUDGEON PIN D.14X34 3 40 59050066 PISTON GUIDE 3 39 90156550 OIL SEAL D.15X24X5/7 3 38 58210451 PROTECTION 1 37 59010022 PUMP CRANKCASE 1 36 59211082 SPONGE GASKET D.3X103 1 35 96699000 WASHER D.7.5X23X0.5 3 E3C2513 3/21/2026 Page 4 - 8 Copyright INTERPUMP GROUP S.P.A Illustration Male shaft (key) Pos. Code Description Qty Notes 34 96751400 WASHER 21,5X27X1,5 1 33 98217900 PLUG G 1/2X10 NICKEL 1 32 96738000 WASHER 17,5X23X1,5 1 31 98209900 PLUG G. 3/8X13 NICKEL 1 30 59210770 RING FOR SEAL D.18 3 29 90265000 SEAL D. 18X24X5 L.P. 3 27 90361200 O-RING 31,47X1,78 (2125) 3 26 59606001 PACKING RETAINER+SLEEVE 3 D.18 25 90511150 ANTI-EXTR. RING D.18X28X2 3 24 90265350 PACKING D.18X28X6/3.7 HP 3 23 63101151 HEAD RING D.18 H.P. 3 22 99317700 VITE M08x60 5931 12.9 8 G321A+M 21 98213750 PLUG M18X1,5X10 D.23 (NICK.) 3 20 90359300 O-RING 15,60X1,78 (2062) 3 19 98196700 PLUG G 1/8 X 8 NICKEL 1 18 36719301 OUTLET VALVE 3 17 36211151 VALVE CAGE 3 16 94733300 SPRING D.6.2x10.5 S.S. 3 15 36211276 SPHERICAL VALVE 3 14 36211366 VALVE SEAT 3 13 90367400 O-RING D. 12X2 (120-20) 3 12 58040209 PISTON D.18X42 3 11 96690500 WASHER D.5X11.5x0.4 3 INOX+FKM58/59/63HT 10 99169000 SCREW M05X55 SPEC. A2-70 3 9 98222500 VALVE CAP M24X1,5X17 NICKEL 3 8 90384700 O-RING 20,29X2,62(3081) 3 7 36711501 INTAKE/DELIVERY VALVE 3 6 90384100 O-RING 17,12X2,62 (3068) 3 5 36200366 VALVE SEAT 3 4 36200176 VALVE PLATE 3 3 94737600 SPRING D. 9,4X14,8 3 2 36202551 VALVE CAGE 3 1 59121241 MANIFOLD D.18*NICKEL PL. 1 E3C2513 3/21/2026 Page 5 - 8 Copyright INTERPUMP GROUP S.P.A Illustration Pump head with VH integrated valve E3C2513 3/21/2026 Page 6 - 8 Copyright INTERPUMP GROUP S.P.A Illustration Pump head with VH integrated valve Pos. Code Description Qty Notes KIT280 34028001 KIT 280 FIXED CHEM.INJECTOR 1 58-59 KIT279 34027901 KIT 279 ADJUSTABLE CHEM. INJ. 1 58-59 KIT278 34027801 KIT 278 BUILT-IN VALVE 58-59 1 47 36605401 H REG.VALVE ASSY. 1 46 59121741 MANIFOLD D.18 1 W/VALVE*NICKEL P 45 36349270 CHEM. HOSE BARB FITTING 1 44 36348451 DETERGENT KNOB 1 43 97661500 ELASTIC PIN D. 2X12 1 42 36334270 SHUTTER WITH HOSE FITTING 1 41 94733400 SPRING D.6.4X12.5 1 40 36348270 CHEM. HOSE BARB FITTING 1 39 90357300 O-RING D. 5,28X1,78 (2021) 2 38 97478200 BALL 7/32(5,556) STAINLESS 1 37 94821700 TAPER SPRING D.4,3X7,3X11 1 36 10079866 INJECTOR NOZZLE D.2.20 1 ORANGE 36 10079566 NOZZLE D. 2.00 1 35 92982800 WING NUT G3/4 1 34 36256951 INLET HOSE BARB FITTING (PL.) 1 33 90382800 O-RING 12,37X2,62 (3050) 1 32 92892500 FILTER D. 12X35 1 31 36318251 INLET NIPPLE G 3/4 1 30 90384100 O-RING 17,12X2,62 (3068) 1 29 98204200 PLUG G1/4X9 NICKEL 1 28 90358500 O-RING 10,82X1,78 (2043) 1 27 36348870 NIPPLE D.3 M22X1.5 M 1 27 36348970 NIPPLE D.3 G3/8F 1 27 36347970 NIPPLE D.3 G3/8M 1 27 36348770 NIPPLE D.3 3/8NPT M 1 27 36349070 NIPPLE D.3 3/8NPT F 1 26 90383900 O-RING 15,88X2,62 (121) 1 25 36310451 VALVE GUIDE 1 24 94735500 SPRING D. 8,5X12 1 23 97483800 BALL 13/32 (10,319) 1 22 90382300 O-RING 9,92X2,62 (112) 1 21 36348366 REG. VALVE SEAT 1 E3C2513 3/21/2026 Page 7 - 8 Copyright INTERPUMP GROUP S.P.A Illustration Pump head with VH integrated valve Pos. Code Description Qty Notes 20 90357800 O-RING 7,66X1,78 (2031) 1 19 90503800 ANTI-EXTR.RING D.9X12X1.5 1 18 90358100 O-RING 8,73X1,78 - (108) 1 17 90358700 O-RING D. 11,11X1,78 (114) 1 15 36347770 MAX.PRESSURE NUT 1 14 99126700 SCREW M4X5 UNI5929 S.S. 1 6 94739500 SPRING D.11,3x34,5 1 5 36348651 SLIDE WASHER 2 4 36348170 PRESSURE ADJUST SCREW 1 3 90384500 O-RING 18,72X2,6 (3075) 1 2 10084666 REGULATION KNOB YOKE 1 1 36350651 REGULATION KNOB - RED S. 1 53-58-59 E3C2513 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

Interpump WS151 R ATEX is an industrial high-pressure pump delivering 21 L/min at 150 bar, rated 5.51 kW. Designed for hazardous-area applications requiring ATEX compliance, it operates at 1450 rpm and weighs 14.5 kg, suitable for demanding industrial cleaning and processing systems.

Frequently Asked Questions

Where can I buy the Interpump WS151 R ATEX pump worldwide?

3G Electric supplies the Interpump WS151 R ATEX globally as an authorized distributor. We handle customs clearance and arrange delivery to your facility. Contact us for availability and lead times.

What is the lead time and shipping process for the Interpump WS151 R ATEX?

Lead time depends on current stock and your location. 3G Electric manages international logistics and customs documentation. Request a quote for exact delivery schedules to your country.

Is the Interpump WS151 R ATEX suitable for hazardous area applications?

Yes. The WS151 R ATEX delivers 21 L/min at 150 bar (15 MPa / 2175 psi) with ATEX certification for hazardous-zone use. It operates at 1450 rpm and weighs 14.5 kg, ideal for industrial cleaning and processing in explosive atmospheres.

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 WS151 parts list129 parts, 63 available in catalog

Official Parts List
WS151 — Male shaft (key) exploded diagram

Repair Kits — Order These for Routine Maintenance

KIT1
KIT 1 INTAKE/DELIVERY VALVE
34000101×1Available
View
KIT2
KIT 2 OIL SEAL D. 22X32X5,5
34000201×1Available
View
KIT3
KIT 3 OIL SEAL D.30X55X7
34000301×1Available
View
KIT4
KIT 4 INTAKE/DEL. VALVE CAPS
34000401×1Available
View
KIT6
KIT 6 PISTON BOLT
34000601×1Available
View
KIT7
KIT 7 HEAD RING D.20
34000701×1Available
View
KIT10
KIT 10 PACKING RETAINER D.20
34001001×1Available
View
KIT28
KIT 28 COMPL.SEAL FOR PIST.D20
34002801×1Available
View
KIT71
KIT 71 INTERMEDIATE RING D.20
34007101×1Available
View

Individual Components

PosCodeDescriptionQty
1
MANIFOLD WS151
47120141×1Available
View
4
O-RING 17,12X2,62 (3068)
90384100×6Available
View
5
VALVE SEAT
36200366×6Available
View
6
VALVE PLATE
36200176×6Available
View
7
SPRING D. 9,4X14,8
94737600×6Available
View
8
VALVE CAGE
36200251×6Available
View
9
O-RING 20,29X2,62(3081)
90384700×6Available
View
10
CAP M24X2X16
98222000×6Available
View
11
VALVE ASSY.
36703201×6Available
View
12
SCREW M 8x16 UNI 5931
99303900×8Available
View
13
CLOSED SIDE COVER (47-66)
47151122×1Available
View
14
O-RING 67,95X2,62 (3268)
90391300×2Available
View
15
TAPER BEARING
91837500×2Available
View
16
OIL SEAL 22x32x5
90162500×3Available
View
17
BUSHING 22X25X30
90912600×3Available
View
18
CRANKCASE
47010822×1Available
View
19
OIL DIP-STICK G3/8X80
98210600×1Available
View
20
O-RING D.133.02X 2,62(3525)
90392200×1Available
View
21
CRANKSHAFT C.12 S.p.f. U.S.
47021835×1Available
View

Need multiple parts? Request a bundled quote

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Official WS151 parts listIndustrial Pumps (Series 47)

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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