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1″ Water Solenoid Valve 0.5-15 Bar WRAS 2/2 Normally Open

£140.86 incl. VAT £117.38 ex. VAT

-35% Was £216.71 incl. VAT
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Brand: Shako Co Ltd

Model: PU225DN08

Stock: 129 in stock

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Description

WRAS Approved Normally Open Water Solenoid Valve for Potable Water Systems


The SHAKO PU225DN-08 is a WRAS approved 1" brass normally open solenoid valve designed for potable water, priority demand systems and fire sprinkler applications. The valve remains open without power and closes when energised, making it ideal for fail-safe water control systems where water flow must be maintained during a power failure.

Featuring a large 25mm orifice and high Kv flow rate of 165 L/min, this pilot-operated diaphragm valve is well suited to commercial and industrial water systems requiring increased flow capacity with low power consumption.

Key Features

✓ WRAS approved for potable water applications
✓ 2/2 way normally open operation
✓ Failsafe open – energise to close
✓ Ideal for priority demand and sprinkler systems
✓ Large 25mm orifice
✓ Kv 165 L/min flow capacity
✓ Pressure assisted diaphragm design
✓ Anti-water-hammer construction
✓ Brass body with stainless steel internals
✓ EPDM WRAS approved seals
✓ IP65 DIN43650A coil included
✓ 100% continuous duty rated
✓ AC and DC voltage options available
✓ Optional PWM power-saving connector for 24vDC models
✓ Free UK delivery available

Typical Applications

Potable water distribution systems
Priority demand water systems
Fire sprinkler installations
Water treatment equipment
Commercial buildings
Process water control
Irrigation systems
General industrial water control

Technical Specification

Function: 2/2 way normally open
Operation: Pilot operated diaphragm
Fail Position: Open
Pressure Range: 0.5 to 10 Bar differential pressure
Maximum Working Pressure: 15 Bar
Minimum Operating Differential: 0.5 Bar
Orifice: 25.0mm
Flow Factor (Kv): 165 L/min
Opening / Closing Time: Approx. 2 seconds
Port Size: 1" BSP female
Optional Connection: NPT
Body Material: Brass
Internal Materials: Brass and stainless steel
Seal Material: EPDM (WRAS Approved)
Media: Potable water and compatible liquids
Media Temperature: -5°C to +130°C

Coil Specification

Power Consumption: 15 Watts
Coil Manufacturer: Nass Magnet
Protection Class: IP65
Connector: DIN 43650 Form A
Duty Rating: 100% ED Continuous Duty

Available Voltages

DC: 12v, 24v, 48v, 110v or 220v
AC 50/60Hz: 12v, 24v, 36v, 48v, 110v, 230v or 380v


WRAS Approval

The EPDM sealing materials are approved for use with potable drinking water systems.
WRAS Approval Certificate: 2304324

Why Choose a Normally Open Solenoid Valve?

Normally open solenoid valves are commonly used where continuous water flow is required during a power failure. Typical applications include priority demand systems, emergency water supplies and fire sprinkler installations where the valve automatically returns to the open position if electrical power is lost.

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Technical Specification

Brand: Shako Co Ltd

Model: PU225DN08

Width: 70.00 mm

Height: 126.50 mm

Depth: 96.00 mm

Weight: 1.60 kg

Valve / Product Type: Solenoid Valve

Body Material: Brass

Voltage: 110vAC, 110vDC, 12vDC, 200vDC, 230VAC, 24vAC, 24vDC, 36vAC, 380vAC, 48vAC, 48vDC

Port Size: 1 thread

Function: 2/2 Failsafe Open

Operation: Pressure Assisted

Seals: EPDM

Approvals:: ATEX Exm, IP65, WRAS

Media: Water

Options required: Anti Water Hammer

Orifice: 25mm

Pressure: 3 Bar, 3.5 Bar, 4 Bar, 4.5 Bar, 5 Bar, 5.5 Bar, 6 Bar, 6.5 Bar, 7 Bar, 7.5 Bar, 8 Bar, 8.5 Bar, 9 Bar, 10 Bar, 12 Bar, 13 Bar, 14 Bar, 15 Bar

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