Description
1¼" WRAS Approved Water Solenoid Valve – 0.5–15 Bar Normally Closed
WRAS Approved SHAKO Brass Water Solenoid Valve for Potable Water Applications
1¼ inch WRAS approved SHAKO brass pilot operated water solenoid valve – PU225D-12.
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. Particularly suitable for sprinkler systems, commercial water control and larger flow installations.
Key Features
WRAS approved EPDM seal for potable water
SHAKO pilot operated diaphragm valve
2/2 way normally closed operation
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 24vDC Low Power / Low Heat Connector
Suitable for sprinkler and priority demand systems
Free UK delivery available
Typical Applications
Potable water systems
Priority demand valve systems
Sprinkler installations
Water treatment equipment
Commercial water control
Industrial water management
OEM machinery
High flow water shut-off systems
Technical Specification
Function: 2/2 way normally closed
Valve Type: Pilot operated diaphragm
Minimum Pressure Differential: 0.5 Bar
Operating Pressure Range: 0.5 to 10 Bar differential
Maximum Working Pressure: 15 Bar
Port Size: 1¼" BSPP female thread
Optional NPT thread available
Orifice Size: Approximately 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 System: Nass Magnet system
Duty Rating: 100% continuous duty
Protection Rating: IP65
Electrical Connector: DIN 43650 Form A
Compliance: CE approved
Voltage Options
DC Voltages:
12VDC, 24VDC, 48VDC, 110VDC, 220VDC
AC Voltages:
12VAC, 24VAC, 36VAC, 48VAC, 110VAC, 230VAC, 380VAC 50/60Hz
Optional ATEX Coil
Optional hazardous area ATEX coil available:
Ex mb IIC T4
T130°C temperature class
Suitable for Zone 21 & 22
Maximum media temperature +80°C
WRAS Approval
EPDM sealing material approved for potable water applications.
WRAS approval certificate: 2304324
Additional Information
Ideally suited for priority demand valve control and sprinkler system installations.
HS Code: 84818030
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