Description
1½" WRAS Approved Water Solenoid Valve – 0.5–15 Bar Normally Closed
WRAS Approved SHAKO Brass Water Solenoid Valve for Potable Water Applications
1½ inch WRAS approved brass pilot operated water solenoid valve manufactured by SHAKO – model PU225D-14.
Designed for potable water systems, priority demand systems and high-flow water control applications, this 2/2 way normally closed brass solenoid valve provides reliable operation where a minimum pressure differential is available. Featuring an anti-water hammer design and delayed closing action, it is particularly suitable for fire sprinkler and safety shut-off systems.
Key Features
WRAS approved EPDM seal for potable water
SHAKO pilot operated diaphragm valve
2/2 way normally closed operation
Pressure assisted design
Anti water hammer construction
Approximately 2.5 second opening / closing time
Large flow 38.0mm orifice
0.5 to 10 Bar operating pressure differential
15 Bar maximum working pressure
Brass body with stainless steel internals
IP65 DIN43650A coil system included
100% continuous duty rated coil
Multiple AC and DC voltage options
Optional ATEX hazardous area coil available
Optional Low Power / Low Hear Connector
Suitable for sprinkler and priority demand systems
Free UK delivery available
Typical Applications
Potable water control
Priority demand systems
Fire sprinkler systems
Safety shut-off systems
Water treatment equipment
Commercial water control
Industrial water management
High flow water shut-off systems
Technical Specification
Function: 2/2 way normally closed (failsafe closed – power to open)
Valve Type: Pilot operated diaphragm
Operation: Pressure assisted design
Minimum Pressure Differential: 0.5 Bar
Operating Pressure Range: 0.5 to 10 Bar differential
Maximum Working Pressure: 15 Bar
Opening / Closing Time: Approximately 2.5 seconds
Design Feature: Anti water hammer construction
Port Size: G 1½" BSP female thread
Optional NPT thread available
Orifice Size: 38.0mm
Kv Flow Factor: Approximately 367 L/min based on water with 1 Bar pressure drop
Body Material: Brass
Internal Components: Stainless steel
Seal Material: EPDM (WRAS approved – Cert. 2304324)
Suitable Media: Water
Media Temperature Range: -5°C to +130°C
Coil Specification
Coil Power: 15 Watt
Coil Type: Nass magnet system
Duty Rating: 100% continuous duty
Protection Rating: IP65
Electrical Connector: DIN 43650 Form A
Voltage Options
DC Voltages:
12VDC, 24VDC, 48VDC, 110VDC, 220VDC
AC Voltages:
12VAC, 24VAC, 36VAC, 48VAC, 110VAC, 230VAC, 380VAC 50/60Hz
Approvals & Compliance
WRAS approved for potable water applications
ATEX coil option available
Ex mb IIC T4 / T130°C
Suitable for hazardous areas Zone 21 & 22 (coil dependent)
Additional Information
Ideal for priority demand systems, fire sprinkler installations and high-flow safety shut-off applications.
HS Code: 84818030
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