Reliance RWC 300 Litre Aquasystem Potable Expansion Vessel Pre Set 3.5 Bar - XVES050140

Product Specification

Size Options: 3/8", 1/2", 3/4", 1", 1.1/4", 1.1/2", 2"

Connections: Screwed BSPP or NPT

Materials:

• Inlet Nozzle: Stainless Steel
• Body & Bonnet: S.G. Iron (1.1)
• Disk: Metal, Viton, Nylon, PEEK, or Vespel
• Joints & Seals: NBR, FPM, EPDM (varies by model)

Head Type: C (Gas-tight cap)

Suitable Mediums: Steam, Gases, and Liquids

Set Pressure Range: 0.05 to 500 Barg (dependent on size - available with multiple springs)

Temperature Range: -10 to 280°C (this range applies to valves with a metal disk)

For reliable performance in a range of applications, our valves are expertly crafted to meet the highest standards of quality and durability. Choose from various sizes and materials to suit your needs, ensuring optimal compatibility with your systems. Ideal for controlling steam, gases, and liquids, these valves offer flexible pressure settings and a robust temperature range, making them the perfect choice for both industrial and commercial uses.

Explore our extensive selection of valve solutions today to discover the ideal fit for your requirements!

**Product Specification** **Sizes Available:** - 1/2" x 1" - 3/4" x 1.1/4" - 1" x 1.1/2" - 1.1/4" x 2" - 1.1/2" x 2.1/2" - 2" x 3" - 2.1/2" x 4" **Connections:** - Flanged DIN - ANSI **Materials:** - Carbon Steel (32.1) - Stainless Steel (32.2 & 32.7) **Disk Options:** - Metal - Viton - Nylon - PEEK - Vespel (dependent on pressure) **Joints & Seals:** - NBR - FPM - EPDM (dependent on model) **Medium Compatibility:** - Suitable for Steam, Gases, and Liquids **Set Pressure Range:** - 0.1 to 220 Barg (dependent on size) **Temperature Range:** - (32.1) -10 to 280 °C - (32.2) -60 to 280 °C - (32.7) -200 to 280 °C **Design Certification:** - TUV **Notes:** The temperature range specified is applicable to valves equipped with a metal disk. --- Optimise your industrial applications with our premium valves designed for a variety of media, including steam, gases, and liquids. Available in multiple sizes and materials, our valves ensure robust performance under diverse pressure and temperature conditions. **Keywords:** valves, industrial valves, steam valves, pressure valves, temperature range valves, stainless steel valves, carbon steel valves.

**Stainless Steel Expansion Vessel for Potable Water Applications** Introducing the Reliance Valves Aquasystem Replaceable Membrane Potable Water Expansion Vessels, expertly designed for managing the additional load in water systems during heating, when water volume increases. These expansion vessels play a critical role in maintaining safe operating levels, effectively preventing excessive pressure build-up within both sealed heating and cold water systems. Equipped with a replaceable membrane, these vessels guard against corrosion and contamination, ensuring that the water remains safe for human consumption. The replaceable membrane allows for seamless servicing in situ, eliminating the need for removal and enabling quick maintenance. **Features and Benefits:** - **Corrosion-Resistant Design**: The stainless steel bolted flange construction ensures long-lasting durability and prevents corrosion. - **Minimised Noise**: The extra-wide membrane opening helps to reduce noise caused by restricted water flow. - **Internal Protection**: The internal membrane ensures that water does not come into contact with the steel shell, effectively halting internal corrosion. - **Versatile Capacity Range**: Available in sizes from 2 to 5000 litres, suitable for various applications. - **Easy Servicing**: Each version is supplied with a replaceable membrane, allowing for hassle-free servicing without removal. - **Convenient Pre-Charge Valve**: Includes a pre-charge valve for easy topping up of air pressure. - **Hot and Cold Water Compatible**: Designed specifically for use with hot and cold water systems only. **Specifications:** - **Capacity**: 5 Litres - **Colour**: White - **Pre-Set Pressure**: 3.0 Bar - **Maximum Pressure**: 10.0 Bar - **Minimum Temperature**: -10°C - **Maximum Temperature**: 99°C - **Height**: 304 mm - **Diameter**: 160 mm - **Water Connection**: 3/4” MBSP - **Product Code**: XVES050020 **Materials:** - **Shell**: Epoxy Coated - **Membrane**: EPDM - **Bolted Flange**: Stainless Steel **Standards and Approvals:** - WRAS approved for capacities up to 1000 litres - CE marked in accordance with Directive PED 97/23/CE - TUV Certified - Compliance with BS 6920 for models ranging from 1000 to 5000 litres This stainless steel expansion vessel is an essential component for ensuring the efficiency and safety of your potable water systems.