Refrigeration Check Valves
Refrigeration check valves are essential non-return valves utilised in refrigeration and HVAC systems to regulate the flow direction of refrigerant and prevent backflow, which can potentially damage compressors or impair system efficiency.
Specifications
Sizes: Ranging from 1/4" to 14" (varies by type)
Connections: Available in Flanged, Screwed, Butt Weld, and Solder types
Materials: Constructed from Steel or Stainless Steel
Medium: Suitable for glycol-based cold brine refrigerants as per EN 378 p. 1, including NH3, R134a, R290 (propane), R507, and blends with refrigerant oil, accommodating neutral, gas, and liquid media
Pressure Rating: PS 25, PS 40, PS 63
Temperature Range: From -20 to +150 degrees Celsius Max
Design: Notes:
Enhance the reliability and efficiency of your refrigeration system today with our high-quality refrigeration check valves. Perfect for a variety of applications, these valves are designed to ensure optimal performance and longevity.
Other Products and Services from Flowstar (UK) Ltd
Hattersley Fig M541 PN16 Gate Valve
Features & Benefits: Cast iron construction with integral flanges, inside screw pattern with non-rising stem, and bronze trim.
Specification: Meets BS EN 1171:2002, face-to-face dimensions to BS EN 558-1, flanged to BS EN 1092-2 PN16. Wedge disc, FOCS non-rising stem, handwheel operated.
Pressure/Temperature Rating: -10 to 120°C at 16 Barg; 200°C at 12.8 Barg.
Valfonta Model 260 Steam Reheater Injector
The Valfonta Model 260 Steam Reheater Injector is the ideal solution for elevating the temperature of liquids efficiently. This innovative device ensures continuous recirculation of the product within the tank, promoting optimal mixing and consistent temperature distribution. Designed with exceptional reliability in mind, the Valfonta Model 260 operates without any moving parts, minimising maintenance requirements and enhancing durability. Invest in the Valfonta Model 260 to ensure superior heating and uniformity in your liquid processing operations.
CONCOA 405 Series Regulator
The CONCOA 405 Series four-port brass regulator provides secondary pressure control for ultra-high purity inert gases, ideal for point-of-use applications and precise delivery to instruments. It allows accurate monitoring and adjustment of outlet pressure while maintaining high gas purity.
Features
Metal-to-metal diaphragm seal to prevent contamination
CAPSULE® seat with integrated 360° filtration
Pressure ranges from 0–15 PSIG up to 0–500 PSIG
Front and rear panel mountable for flexible installation
Pipe-away relief valve for safe venting
Cleanroom-assembled to eliminate installation contamination
Captured vent-capable bonnet prevents exposure in the unlikely event of diaphragm failure
Helium leak integrity verified
Specifications
Maximum inlet pressure: 3000 PSIG (210 BAR)
Body and bonnet: Brass barstock
Gauge: 2 in (50 mm) brass
Seat: PTFE; Filter: 10‑micron sintered bronze
Temperature range: -40° to 140 °F (-40° to 60 °C)
Diaphragm: 316L stainless steel; Cv: 0.1 (≤50 PSIG/3.5 BAR) or 0.2 (>50 PSIG/3.5 BAR)
Internal seals: PTFE; Ports: 1/4 in FNPT
Helium leak integrity: 1×10⁻⁹ scc/sec
Conformances: CGA G-4.1, ANSI/ASME B40.1, PED 2014/68/EU, CRN OH5216
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.