Refrigeration Constant Pressure Valves with Check Valve Function
Our product is designed to enhance the pressure on the discharge side of high-capacity compressor units during the startup phase, ensuring optimal operation. It remains closed until complete oil circulation is established, effectively preventing the refrigerant from condensing in the event of a compressor shutdown.
Product Specifications
Sizes: 1.1/2" to 6"
Connections: Flanged & Butt Weld
Materials: Steel or Stainless Steel
Medium: Glycol-based cold brine refrigerants EN 378 p. 1, such as NH3, R134a, R290 (propane), R507, and blends with refrigerant oil, suitable for neutral gases and liquids.
Set Pressure: 1 - 9 Barg
Temperature Range: -20 to +150 °C
Max Design Notes:
Ensure your high-capacity compressor units operate smoothly and safely with our advanced pressure enhancement solution. Ideal for industrial applications, our reliable product meets stringent standards and provides peace of mind to users.
Other Products and Services from Flowstar (UK) Ltd
Hattersley Fig 973G PN16 Double Regulating Valve - Gearbox Operated
Features & Benefits
• Constructed from robust iron for an extended service life
• Offers precise flow regulation for optimal performance
• Fully-lugged design for easy installation and operation
• Ensures positive flow control across all settings
Specification
• Complies with BS EN 593: 2009 standards
• Valves measuring 250mm and above come with a gearbox only
• Valves up to and including 200mm can be supplied with either a lever or gearbox operation
• All operators are equipped with a double regulating feature
Pressure/Temperature Rating
• EPDM seat material
• Rated for 16 bar pressure from -10 up to 120ºC
Berluto DRV302SW Seawater Reducing Valve
The Berluto DRV302SW Seawater Reducing Valve is expertly designed for applications involving seawater, making it ideal for use on vessels, oil rigs, and in desalination facilities.
Specifications
Sizes: 1/2" (DN15), 3/4" (DN20), 1" (DN25), 1 1/4" (DN32), 1 1/2" (DN40), 2" (DN50)
Connections: Female BSP Inlet x Female BSP Outlet
Materials: Red Bronze Body / Bonnet: Brass up to DN32, then from DN40 onwards, Cast Iron
Disk: Joints & Seals: Diaphragm: NBR, Seals: NBR
Medium: Seawater
Inlet Pressure (Max): 25 Barg
Outlet Pressure Range: 1.5 to 6 Barg
Cv Range:
Temperature: Max 75°C
Approvals: PED 97/23/CE category I
Notes: (a) Equipped with built-in gauge ports (b) Minimum pressure drop between inlet and outlet: 1 Barg (c) For optimal sizing, please refer to our sizing calculator available in the TECHNICAL INFO section of the menu above.
Bailey 746 - Conversion to a Viton Disc
The Bailey 746 Viton Disc is exclusively available when ordered together with a Bailey 746 Safety Valve. For optimal performance and compatibility, ensure to include both components in your purchase.
Flowstar (UK) Ltd
Wiltshire Road, Kingston-upon-Hull, East Riding of Yorkshire, HU4 6PA, United Kingdom
Flowstar (UK) Ltd is a leading global supplier of safety, relief, and reducing valves. With strong partnerships across major manufacturers, we deliver precise, reliable valve solutions tailored to your needs. Email enquiries to sales@flowstar.co.uk or call us on +44 (0)1482 601030.