Hattersley Fig 250W PN16 Double Check Valve

Hattersley Fig 250W PN16 Double Check Valve

**Features & Benefits of Double Check Valves** - Double check valves are essential for preventing backflow and back siphonage contamination in domestic homes, public spaces, and commercial buildings. - WRAS approved for use with wholesome (potable) water, with a maximum temperature rating of 85°C. - The compression model is designed with ends that comply with BS EN 1252-2 and is suitable for use with BS EN 1057 R250 (half-hard) copper tubing or female taper threads that meet BS EN 10226-2 standards. - The shell pressure rating for Fig. 250W and Fig. 250CW is PN16, ensuring a maximum inlet/working pressure of 10 bar. - Fully compliant with BS EN 13959 standards for ‘Anti-pollution check valves’, family E type D. **Specification** **Pressure/Temperature Rating** - Shell Pressure: PN16 - Maximum Temperature: 85°C - WRAS approved for use up to 85°C Optimise the health and safety of your water systems with our reliable double check valves that meet stringent UK standards and regulations.
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Other Products and Services from Flowstar (UK) Ltd

CONCOA 302 Series Regulator

CONCOA 302 Series Regulator

The CONCOA 302 Series is a four-port, chrome-plated brass, single-stage cylinder regulator designed for primary pressure control of high-purity, non-corrosive, or liquefied gases. Single-stage regulation is recommended for cylinders under 500 PSIG (34 BAR) or applications where minor outlet pressure fluctuations from cylinder depletion are acceptable, or where inlet pressure is stable.

Features:

  • 316L stainless steel diaphragm prevents inboard diffusion

  • CAPSULE® seat with 360° integral filtration

  • Field-adjustable pressure limit for flexible applications

  • Rear panel mounting simplifies installation

  • Helium leak-tested for integrity

Specifications:

  • Max inlet pressure: 3000 PSIG (210 BAR); optional 3500 PSIG (240 BAR) or 4500 PSIG (310 BAR)

  • Body: Chrome-plated brass barstock; Bonnet: Chrome-plated die-cast zinc

  • Gauges: 2" (50 mm) plated case

  • Seats: PTFE; PCTFE for higher-pressure options

  • Filter: 10-micron sintered bronze

  • Temperature range: -40°F to 140°F (-40°C to 60°C)

  • Cv: 0.1; Diaphragm: 316L stainless steel

  • Helium leak integrity: 1 × 10⁻⁸ scc/sec

  • Internal seals: PTFE; Ports: 1/4" FNPT

  • Compliance: Meets/exceeds CGA G-4.1, ANSI/ASME B40.1, PED 2014/68/EU, CRN OH5216

Niezgodka Type 110 Safety Valve

Niezgodka Type 110 Safety Valve

Product Specification

Sizes Available: 3/8", 1/2", 3/4", 1", 1.1/4", 1.1/2", and 2"
Connections: Screwed BSPP (or NPT) Inlet with Open Discharge Outlet
Materials: High-Quality Brass
Disk Material: Viton
Joints & Seals: Durable construction for optimal performance
Orifice Size: 22mm
Suitable Medium: Non-toxic steam and gases
Set Pressure Range: 0.04 to 35 Barg
Operating Temperature: -10 to 130°C
Design Certification: TUV approved

Please note the above specifications for our reliable valves, designed for efficiency and safety in various applications.

Refrigeration Quick Closing Valves

Refrigeration Quick Closing Valves

Refrigeration Quick Closing Valves are typically installed in Oil drain pipelines. 

Specification

Sizes: 1/2"Connections: Flanged & Butt WeldMaterials: Steel or Stainless SteelMedium: Glycol-based cold brine refrigerant EN 378 p. 1, e.g. NH3, R134a, R290 (propane), R507, blends with refrigerator oil, neutral, gas and liquid media, glycol-based cold brinePressure Rating: PS 25, PS 40Temperature: -60 to +150 degC MaxDesign:

Flowstar UK Ltd

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.