Key Features

WRAS certified EPDM seals for potable water
ASCO Sirai quality construction
2/2 way normally closed operation
Pressure assisted design
Low 0.3 Bar minimum operating pressure
Up to 16 Bar working pressure
Brass body with stainless steel internals
Suitable for media temperatures up to +145°C
Fast 70mSec opening time
IP65 protection with connector included
100% continuous duty rated
Multiple AC and DC voltage options
Free UK delivery available

Datasheets

ASCO Sirai L182D01 1/2″ WRAS Water Solenoid Valve N/Closed

Name: ASCO Sirai L182D01 1/2″ WRAS Water Solenoid Valve N/Closed
Brand: Asco / Sirai
SKU: L182D01-1/2,L182D01
Price: 64.27 GBP
Availability: InStock

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Brand: Asco / Sirai

Model: L182D01-12

Stock: 13 in stock

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Description

1/2" WRAS Approved Water Solenoid Valve – 0.35–16 Bar Normally Closed

ASCO Sirai WRAS Approved Water Solenoid Valve for Potable Water Applications

1/2 inch WRAS approved water solenoid valve – ASCO Sirai model L182D01-12.

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: 1/2" BSPP female (ISO 228)

Orifice: 13.5mm

Flow Factor (Kv): 3.8m³/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: 600ms

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

12VDC

24VDC

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?

Offering an excellent balance between compact size and flow capacity, this 1/2" WRAS valve is one of the most popular choices for commercial water systems, heating equipment and general process water control.

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DIN 43650 Electrical Connectors

Other Asco / Sirai Solenoid Valves

View Technical Specification

Technical Specification

Brand: Asco / Sirai

Model: L182D01-12

Width: 40.00 mm

Height: 68.00 mm

Depth: 66.00 mm

Weight: 0.51 kg

Valve / Product Type: Solenoid Valve

Body Material: Brass

Voltage: 110vAC, 12vDC, 230VAC, 24vAC, 24vDC

Port Size: 1/2 thread

Function: 2/2 Failsafe Closed

Operation: Pressure Assisted

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

Seals: EPDM

Approvals:: IP65, WRAS

Media: Water

Options required: Anti Water Hammer

Orifice: 13mm

Found in these Categories

Reviews

★★★★★5.0 / 5 1 reviews

★★★★★ Verified Purchase

Good value, delivered quickly,

Reviewed on 13/07/2025 by Andy M - Lincoln, United Kingdom

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Key Features

Datasheets

ASCO Sirai L182D01 1/2″ WRAS Water Solenoid Valve N/Closed

Description

1/2" WRAS Approved Water Solenoid Valve – 0.35–16 Bar Normally Closed

Key Features

Typical Applications

Technical Specification

Performance

WRAS Approval

Additional Information

Why would an engineer choose this size?

Related Products & Categories

Technical Specification

Found in these Categories

Reviews

★★★★★5.0 / 5 1 reviews

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