Wras Valve
WRAS Approved Lugged & Tapped Butterfly Valve - EPDM Liner - PN25
WRAS Approved Lugged & Tapped Butterfly Valve - EPDM Liner - PN25
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WRAS Certified
Introducing the WRAS Approved Lugged & Tapped Butterfly Valve with an EPDM Liner, rated PN25. Designed for exceptional performance and reliability, these valves are ideal for a variety of industrial applications. Each valve is crafted to fit PN25 flanges perfectly and features a direct mount compliant with ISO 5211. With an epoxy-coated ductile iron body and a 304 stainless steel disc, these valves offer robust construction and durability. The lever-operated mechanism ensures efficient flow control, making these valves a reliable choice for your fluid control needs.
Key Features:
- WRAS Approved: Certified to meet high standards for water safety and quality.
- Durable Construction: Epoxy-coated ductile iron body and 304 stainless steel disc for enhanced durability.
- Reliable Sealing: EPDM liner provides excellent sealing and resistance to wear.
- Direct Mount: Compliant with ISO 5211 for easy and secure mounting.
- Versatile Application: Suitable for various industrial applications with a wide temperature range.
- Easy Operation: Lever-operated for straightforward and efficient flow control.
- Precise Fit: Designed to fit PN25 flanges perfectly.
Specifications:
- Material:
- Plug: Zinc Plated Carbon Steel
- Body: EN GJS 450 10 Ductile Iron
- Seat: EPDM
- Disc: 304 Stainless Steel
- Stem Bushing: Reinforced Fiber
- Stem: 431 Stainless Steel
- Seal Ring: NBR
- Seal Bushing: POM
- Retainer Ring: 304 Stainless Steel
- Circlips: Spring Steel
- Pressure Rating: PN25
- Temperature Range: -10°C to 120°C
- Connection Type: Lugged & Tapped
- Liner Material: EPDM
- Mounting Standard: ISO 5211
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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.