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Interpump 44 Series Pressure Washer Pumps Interpump 44 Series Pressure Washer Pumps

Interpump W140M 12 Lpm/140 Bar

Interpump 44 Series Pump W140M - 1450 Rpm, 140 Bar, 12 Lpm, 4.0 Hp, Brass Manifold, 24mm Male Shaftp

InterpumpBest Seller

Interpump W140M 12 Lpm/140 Bar

SKU W140M

Inlet: ½" BSP Female
Outlet: ⅜" BSP Female · Thread chart

Was £489.03 ex VATSave 19%

£396.11 ex VAT

£475.33 inc. VAT

In stockOrder by 2pm for next-day delivery.

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Large or urgent order?Stock moves quickly. Call 015395 66193 to confirm availability.

Need help choosing? Call 015395 66193 (Mon–Fri 9am–5pm) or email sales@flowjet.co.uk.

Overview

Interpump W140M 44 series pump, rated to 140 bar and 12 litres per minute at 1450 RPM, with a 24mm male shaft and brass manifold. It needs 4hp (3kW) to drive it.

It is a triplex plunger pump with 18mm solid ceramic pistons. Service parts include Kit 123 (valves), Kit 127 (water seals), Kit 131 (piston repair), Kit 23 (oil seals) and ceramic piston 44.0401.09. Change the pump oil at least every 6 months on heavily used machines.

Specification

Part number	W140M
Brand	Interpump
Series	44
Maximum pressure	140 bar
Maximum flow	12 litres per minute
Speed	1450 RPM
Power required	4hp (3kW)
Shaft	24mm male
Manifold	Brass
Inlet	1/2" BSP female
Outlet	3/8" BSP female
Pistons	18mm solid ceramic

Sizing help

To match a motor to your pump, see our electric motor sizing guide.

For technical advice or help choosing a part, call 015395 66193 or email sales@flowjet.co.uk.

Service kits

Interpump kits for this pump, taken from the Interpump parts list and quick kit guide. Check the model on your pump plate before ordering.

Piston	18 x 37.5mm
Valve kit	KIT123
Oil seal kit	KIT23
Water seal kit (3 pistons)	KIT127
Complete seal assembly (1 piston)	KIT131
Brass valve caps	KIT124
Seal retainers, 18mm	KIT126
Intermediate rings, 18mm	KIT128
Head rings, 18mm	KIT129

Interpump W140M 44 series pump, 140 bar, 12 litres per minute, 1450 RPM, 24mm male shaft.

Specifications

Brand: Interpump
Working Pressure: 140
Flow Rate: 12
Pressure Washer Pump Series: Interpump 44 Series
Piston Diameter: 18mm ⌀
RPM: 1450
Shaft: Solid Shaft 24mm

Inlet: ½" BSP Female
Outlet: ⅜" BSP Female
Temperature: 60°C
Search by Interpump model: W140
HP Power Required: 3KW / 4 Hp
Weight: 8.6 kg

Technical information

140 Bar

12 Lpm

1450 Rpm

4.0 Hp, 2.94 kW

24mm male shaft

Brass manifold

1/2"BSP female inlet

3/8"BSP female outlet

Documents

44 Series Parts List

44 Series Quick Kit Guide

Interpump 44 Series Parts List.pdf

Interpump 44Series Technical Data.pdf

Interpump General User Manual.pdf

Interpump 44Series Tool Chart.pdf

Dual Pumps 44 Series Quick Kit Guide.pdf

Delivery & returns

Free delivery on online orders over £200 + VAT to a UK mainland address.
Orders processed by 2pm go out on tracked, insured next-working-day delivery.
Orders under £200 + VAT: delivery £11.99 + VAT.
Returns: ask us for a returns number first. Unused goods in their original packaging can come back at our discretion, less a restocking fee; faulty or wrong items have no fee.

Full delivery & returns details