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Wras Valves

WRAS Approved Sferaco Ductile Iron Butterfly Valve

WRAS Approved Sferaco Ductile Iron Butterfly Valve

£46.79 GBP
£46.79 GBP
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WRAS Certified

Introducing the WRAS Approved Sferaco Ductile Iron Butterfly Valve, available in both Wafer and Lugged versions. Engineered for reliable performance in both hot and cold water applications, including potable water, these valves are crafted from high-quality ductile iron and feature a robust epoxy coating for enhanced durability. The removable EPDM seats and ISO 5211 mounting pads ensure easy maintenance and compatibility with various actuation options. Ideal for diverse residential, commercial, and industrial applications, these valves provide precise control with multiple lever positions and secure locking mechanisms.

Key Features:

  • WRAS Approved: Certified to meet stringent WRAS standards for water safety and quality.
  • Versatile Applications: Suitable for cold and hot water systems, including potable water.
  • Durable Construction: Made from high-quality ductile iron with a robust epoxy coating.
  • Easy Maintenance: Removable EPDM seats for convenient replacement and maintenance.
  • Precise Control: Multiple lever positions with locking mechanisms for accurate flow control.
  • ISO 5211 Mounting: Compatible with various actuation options, thanks to ISO 5211 mounting pads.
  • Wide Application Range: Ideal for residential, commercial, and industrial water systems.

Specifications:

  • Type: Wafer / Lugged
  • Neck: Long neck for isolation
  • Mounting Pad: ISO 5211
  • Between Flanges:
    • Wafer: PN10/16 from DN32 to 600, Class 150 from DN40 to 600, JIS10K from DN40 to DN300
    • Lugged: PN10/16
  • Stem: Full crossing (up to DN65)
  • Seat: Removable EPDM
  • Lever Positions:
    • 9 positions up to DN150
    • 12 positions from DN200 to 300 with locking device
  • Disc Coating: Epoxy RAL 5015 electrostatic painting, 250µ thickness
  • Body Coating: Epoxy RAL 5012 or RAL 5005, 250µ thickness
  • Usage: Cold and hot water, potable water
  • Temperature Range: -10°C to +110°C
  • Maximum Pressure:
    • Wafer: 16 bars up to DN300, 10 bars over
    • Lugged: 16 bars up to DN300, 6 bars at pipe end, 10 bars with flange at pipe end
  • Lever Range:
    • Wafer: DN 32-40 to DN 300
    • Lugged: DN 40 to DN 300
  • Gearbox Range: DN350 to 600
  • Optional Gearbox Reference:
    • Wafer: 1192 from DN 32-40 to DN 300
    • Lugged: 1192 from DN 40 to DN 300

 

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FAQs

What is a WRAS-approved valve?

A WRAS-approved valve is a valve that has been certified by the Water Regulations Advisory Scheme in the UK. This certification ensures that the valve complies with the strict standards for materials and construction, making it safe for use with potable water systems.

Why is WRAS approval important for valves?

WRAS approval is important because it signifies that the valve will not cause water contamination or pose a health risk when used. This is crucial for maintaining the safety and quality of drinking water.

How can I identify a WRAS-approved valve?

WRAS-approved valves are typically marked with the WRAS logo and a unique approval number. These identifiers can usually be found on the body or packaging of the valve.

What types of valves can be WRAS approved?

Any valve intended for use with potable water can be WRAS approved. Common types include ball valves, check valves, gate valves, and pressure reducing valves.

Where are WRAS-approved valves typically used?

WRAS-approved valves are used in residential, commercial, and industrial water systems where there is direct contact with drinking water. They are essential in systems requiring high standards of hygiene and safety.

Are WRAS-approved valves required by law?

In the UK, water fittings that come into contact with the public water supply must comply with the Water Supply (Water Fittings) Regulations or Scottish Byelaws. These require that components such as valves do not contaminate water and are of an appropriate quality, often necessitating WRAS approval.

What are the benefits of installing WRAS-approved valves?

Installing WRAS-approved valves helps ensure compliance with water safety regulations, prevents water contamination, and enhances the reliability and longevity of water supply systems.

How do I install a WRAS-approved valve?

Installation of a WRAS-approved valve should follow manufacturer guidelines and local plumbing codes. It's recommended to hire a qualified plumber to ensure proper installation and operation.