Reliance RWC 80 Litre Aquasystem Potable Expansion Vessel Pre Set 3.5 Bar - XVES050100

The Brownall Air Eliminator is essential for any heating system to effectively eliminate air pockets. This reliable valve can withstand a maximum pressure of 10 bar and operates efficiently at temperatures of up to 93°C. Formerly marketed as the Charles Winn Automatic Air Eliminator, more than 200,000 units have been sold across the UK over the past 25 years. Many of these valves remain in service today, demonstrating their exceptional durability and ability to provide long-term, trouble-free operation.

Specifications

• Connections: 1/2" BSP Female Screwed Outlet x 3/8" BSP Screwed Male
• Maximum System Pressure: 10 Barg
• Temperature Range: -20 to 93°C

Constant pressure valves are automatic regulating devices integral to the oil management systems of screw compressor packages. They ensure that a sufficient minimum differential pressure (for instance, 3 bar, 4 bar, etc.) or oil injection pressure is maintained during both the start-up phase and the operation of the screw compressor.

Product Specification:

• Sizes: 1.1/2" to 6"
• Connections: Flanged & Butt Weld
• Materials: Steel
• Medium: Glycol-based cold brine refrigerant as per EN 378 p. 1, including NH3, R134a, R290 (propane), R507, mixtures with refrigerant oil, as well as neutral gas and liquid media
• Set Pressure: 1 - 25 Barg
• Temperature Range: -20 to +120 °C
• Max Design: (details to be specified)
• Notes: (additional information to be provided)

Optimise your screw compressor performance with our reliable constant pressure valves, designed for durability and efficiency in various applications.

The BESA 241 Safety Relief Valve is a flexible and dependable solution tailored for use with water, air, steam, and other neutral liquids, gases, and vapours. Constructed from robust materials such as cast iron, carbon steel, or stainless steel, this valve delivers exceptional performance across a wide range of temperatures and pressures. Featuring flanged connections and available in various sizes, it ensures compatibility with diverse systems. Perfect for industrial applications, the BESA 241 meets PED, ATEX, and other essential design standards.

Specifications

Sizes: 3/4" x 1.1/2", 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", 3" x 5", 4" x 6" (larger sizes available)

Connections: Flanged PN16 and PN40 (Flanged ANSI available upon request)

Materials: Cast Iron (GS250), Carbon Steel (ASTM A216 WCB), or Stainless Steel (ASTM A351 CF8M)

Disk: Metal, Viton (other materials available upon request)

Joints & Seals:

Medium: Water, Air, Steam, and other neutral liquids, gases, and vapours

Set Pressure: 0.2 to 40 BarG (dependent on size and flange rating)

Temperature: Please contact us for temperature limitations for this valve

Design Standards: PED, ATEX, GOST, RINA

Notes: Optional extras include an open bonnet and PFA lined nozzle.