3/8" WRAS Approved Water Solenoid Valve – 0.35–16 Bar Normally Closed
ASCO Sirai WRAS Approved Water Solenoid Valve for Potable Water Applications
3/8 inch WRAS approved water solenoid valve – ASCO Sirai model L182D01-38.
Designed for potable water systems, hot water services and industrial water control, this 2/2 way normally closed pressure assisted brass solenoid valve combines proven ASCO Sirai reliability with WRAS approved EPDM sealing materials. With a low minimum operating pressure of just 0.35 Bar and a maximum working pressure of 16 Bar, it is ideal for commercial buildings, OEM equipment and process water applications requiring dependable shut-off performance.
Key Features
✓ WRAS approved for potable water applications
✓ Latest WRAS Approval No. 250702716
✓ 2/2 way normally closed operation
✓ Pressure assisted diaphragm design
✓ Low 0.35 Bar minimum operating pressure
✓ 0.35–16 Bar operating pressure
✓ Brass body with stainless steel internals
✓ WRAS approved EPDM seals
✓ Media temperatures up to +140°C
✓ Fast 70ms opening time
✓ IP65 coil with DIN connector
✓ 100% continuous duty rated
✓ AC and DC voltage options
✓ Free next working day UK delivery
Typical Applications
Potable water systems
Commercial water installations
Water treatment equipment
Hot water distribution
Industrial process water
OEM machinery
Washdown systems
General water shut-off control
Technical Specification
Function: 2/2 way normally closed
Valve Type: Pressure assisted diaphragm
Port Size: 3/8" BSPP female (ISO 228)
Orifice: 13.5mm
Flow Factor (Kv): 2.5m³/hr
Minimum Pressure Differential: 0.35 Bar
Operating Pressure: 0.35–16 Bar
Maximum Allowable Pressure (PS): 20 Bar
Body Material: Brass
Internal Components: Brass & stainless steel
Core Tube: Stainless steel
Seal Material: WRAS approved EPDM
Suitable Media: Clean potable water and compatible liquids
Maximum Viscosity: 37 cSt
Media Temperature: -10°C to +140°C
Ambient Temperature: -10°C to +60°C
Performance
Opening Time: 70ms
Closing Time: 670ms
Continuous Duty: ED100%
Protection Rating: IP65 with DIN connector fitted
Electrical Connection: DIN 43650 3-pin connector supplied
Power Consumption
DC: 5.5 Watts
AC: 12VA inrush / 6VA holding
Voltage Options
DC
12VDC
24VDC
AC
24VAC
115VAC
230VAC
(Other voltages available on request.)
WRAS Approval
This valve is fitted with WRAS approved EPDM sealing materials and forms part of WRAS Approval Certificate No. 250702716 for use with products complying with the Water Supply (Water Fittings) Regulations across England, Scotland, Wales and Northern Ireland. Approval valid until 31 July 2030.
Additional Information
The combination of a low 0.35 Bar minimum operating pressure, full port diaphragm design and high temperature EPDM seals makes this valve an excellent choice for potable water systems, commercial heating installations and industrial water applications where reliable long-life operation is essential. The ASCO Sirai L182 series has been widely specified throughout industry for many years thanks to its proven reliability and quality engineering.
Why would an engineer choose this size?
The compact 3/8" design is ideal for OEM equipment, dosing systems, laboratory installations and smaller potable water circuits where installation space is limited. For larger pipework and higher flow applications, see our larger WRAS approved solenoid valves.
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, 16 Bar
