CONCOA 302 Series Regulator

**Stainless Steel Expansion Vessels for Potable Water Applications** Introducing the Reliance Valves Aquasystem Replaceable Membrane Potable Water Expansion Vessels—expertly crafted for managing the additional load within water systems as the water heats and expands. These vessels are designed to maintain safe operating conditions by preventing pressure build-up in both sealed heating systems and cold water systems. Our expansion vessels feature a unique replaceable membrane that protects the water from contact with steel, thereby reducing the risk of corrosion and contamination. This ensures that the water remains safe for human consumption. The replaceable membrane also facilitates easy servicing without the need for removal, enabling rapid maintenance directly in situ. **Key Features and Benefits:** - **Corrosion-Resistant Construction:** The stainless steel bolted flange ensures durability and long-lasting performance. - **Enhanced Flow Design:** An extra wide membrane opening minimises noise caused by restricted flow. - **Internal Protection:** The internal membrane eliminates any water contact with the steel shell to prevent internal corrosion. - **Versatile Capacity Range:** Available in sizes from 2 to 5000 litres, catering to a variety of applications. - **Servicing Ease:** Each model comes equipped with a replaceable membrane for convenient servicing without the need to remove the vessel. - **Air Pressure Maintenance:** Each vessel includes a pre-charge valve for easy air pressure topping up. - **Temperature Compatibility:** Suitable for both hot and cold water. **Specifications:** - **Capacity:** 300 Litres - **Colour:** Blue - **Pre-Set Pressure (Bar):** 3.5 - **Max Pressure (Bar):** 10.0 - **Minimum Temperature:** -10°C - **Maximum Temperature:** 99°C - **Height:** 1240mm - **Diameter:** 650mm - **Water Connection:** 1.1/4" MBSP - **Product Code:** XVES050140 **Materials:** - **Shell:** Epoxy Coated Shell - **Membrane:** EPDM - **Bolted Flange:** Stainless Steel **Standards and Approvals:** - WRAS approved for tanks up to 1000 litres - CE marked in accordance with Directive PED 97/23/CE - TUV Certified - Materials for 1000 - 5000 litre models comply with BS 6920 Ensure optimal performance and safety in your water systems with our premium stainless steel expansion vessels. Perfect for both residential and commercial settings, trust Reliance Valves for your potable water needs.

The Berluto DRV578SW Seawater Reducing Valve has been expertly designed for applications involving seawater, making it ideal for use on ships, oil rigs, and in desalination facilities.

Specifications

Sizes Available: 1/2" (DN15), 3/4" (DN20), 1" (DN25), 1.1/4" (DN32), 1.1/2" (DN40), 2" (DN50), 2.1/2" (DN65), and 3" (DN80). Connections: Flanged PN25 Inlet x Flanged PN25 Outlet. Materials: Red Bronze Body and Bonnet for sizes up to DN32; Cast Iron from DN40 onward. Disk: Various. Joints & Seals: Diaphragm made of NBR, Seals in NBR. Medium: Seawater. Maximum Inlet Pressure: 25 Barg. Outlet Pressure Range: 0.5 to 9 Barg. Cv Range: Temperature: Maximum 75°C. Approvals: PED 97/23/CE Category I.

Notes: (a) Equipped with built-in gauge ports and an integral strainer. (b) Minimum pressure drop from inlet to outlet: 1 Barg. (c) A sizing calculator is available in the TECHNICAL INFO section located in the menu bar above.

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Product Specifications

Sizes Available: 3/4" x 1.1/2", 1" x 1.1/2", 1.1/4" x 1.1/2", 1.1/2" x 1.1/2"

Connections: Screwed BSPP or NPT

Materials:

• Nozzle: Stainless Steel
• Spring Bonnet: S.G. Iron
• Disc: Metal, Viton, or Nylon (varies by pressure)
• Joints & Seals: NBR, FPM, EPDM (dependent on model)

Head Type: A (Gas-tight Lever)

Suitable Mediums: Steam, Gases, and Liquids

Set Pressure Range: 0.05 to 130 Barg (depending on size)

Temperature Range: -10 to 280 degrees Celsius

Design Certification: TUV

Additional Information: We offer various other options (please refer to downloads), including different (a) O-ring and disc materials, (b) NPT connections, (c) orifice sizes, and (d) head types. For further details, please get in touch with us.

Optimised for SEO: Explore our premium pressure relief valves available in multiple sizes and materials, expertly crafted for reliability in handling steam, gases, and liquids.