Wras Valve
WRAS Approved Stainless Steel Wafer Butterfly Valve with EPDM Liner
WRAS Approved Stainless Steel Wafer Butterfly Valve with EPDM Liner
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WRAS Certified
Introducing the WRAS Approved Stainless Steel Wafer Butterfly Valve with EPDM Liner, designed for exceptional performance and reliability in fluid control applications. This valve features a robust stainless steel construction and an EPDM liner, ensuring long-lasting durability and efficient operation. The design complies with ISO 5211 standards for direct mounting, making it suitable for a wide range of industrial applications.
Key Features:
- WRAS Approved: Certified to meet stringent WRAS standards for water safety and quality.
- High-Quality Construction: Made from CF8M stainless steel for superior strength and corrosion resistance.
- EPDM Liner: Provides excellent sealing and durability, suitable for a wide temperature range.
- Versatile Compatibility: Compatible with PN6, PN10, PN16, ANSI 150, Table D, and Table E flanges.
- Direct Mount Design: ISO 5211 compliant for easy direct mounting.
- Temperature and Pressure Range: Operates efficiently between -10°C and 120°C (130°C peak), rated at PN16.
- Optional Gearbox Operation: Available upon enquiry for enhanced control.
Specifications:
- Body: CF8M Stainless Steel
- Disc: CF8M Stainless Steel
- Stem: AISI 316 Stainless Steel
- Liner: EPDM
- Bushing: PTFE
- Washer: A4 Stainless Steel
- Circlip: A4 Stainless Steel
- O-ring: Viton
- Lever: Stainless Steel
- Bolts: A4 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.