Wras Valves
WRAS Approved Ductile Iron Flanged PN16 Check Valve
WRAS Approved Ductile Iron Flanged PN16 Check Valve
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WRAS Certified
Discover the reliability of our WRAS Approved Ductile Iron Flanged PN16 Check Valve, engineered to ensure efficient flow control in your water systems. Featuring flanged BS EN 1092-2 PN16 connections and a durable epoxy-coated body, these valves comply with BS5153 standards and are built to withstand various water applications. With a metal seat and a robust construction, these check valves are designed to provide long-lasting performance in both residential and commercial settings.
Key Features:
- WRAS Approved: Certified to meet stringent WRAS standards for water safety and quality.
- Durable Construction: Made from high-quality ductile iron with an epoxy-coated body for enhanced durability and corrosion resistance.
- Metal Seat: Features a reliable metal seat for secure and efficient flow control.
- Versatile Application: Suitable for use in a wide range of water systems, including residential and commercial applications.
- Flanged Connections: Equipped with BS EN 1092-2 PN16 flanged connections for easy installation and integration.
- Temperature Range: Operates efficiently in temperatures ranging from -10°C to 70°C.
Specifications:
- Material: Ductile Iron
- Body Seat Ring: Copper Alloy
- Door Seat Ring: Copper Alloy
- Washer: Stainless Steel
- Bolts: Stainless Steel
- Hanger: Ductile Iron
- Gasket: EPDM
- Air Release Plug: Galvanized
- Inspection Cover: Ductile Iron
- Bush Nut: Copper Alloy
- Bush Seal: EPDM
- Spindle: Stainless Steel
- O-ring: EPDM
- Drain Plug: Stainless Steel
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FAQ's
What is the difference between a valve and an actuator?
What types of actuators are available?
The main types of actuators are:
Pneumatic actuators – use compressed air for fast, reliable operation.
Electric actuators – use electrical power for precise control.
Hydraulic actuators – use fluid pressure for high-torque applications.
Each type offers unique advantages depending on the environment, media, and system control needs.
How do I choose the right actuator for my valve?
To select the correct actuator, consider:
Valve type and torque requirement
Power source available (air, electric, or hydraulic)
Operating environment (temperature, humidity, hazardous area)
Control signal type (on/off or modulating)
Matching actuator torque and compatibility with the valve’s ISO mounting ensures reliable performance.
What are the main types of valves used in automation?
The most common valves in automated systems include:
Ball valves – for tight shutoff and quick operation.
Butterfly valves – for larger flow control with compact design.
Globe valves – for precise throttling and flow regulation.
Check valves – to prevent backflow.
Gate valves – for full bore flow isolation.
What’s the difference between a double-acting and spring-return actuator?
Double-acting actuators use air (or power) to both open and close the valve.
Spring-return actuators use air to open (or close) the valve, and a built-in spring to automatically return it to a safe position when power or air is lost — ideal for fail-safe operation.
How often should valves and actuators be serviced?
Regular maintenance intervals depend on operating conditions, but a good rule of thumb is to inspect every 6–12 months.
This includes checking for leaks, lubrication, seal wear, and actuator responsiveness to prevent unexpected downtime.