Hattersley Fig M541 PN16 Gate Valve

The FSSTDFA Forward Acting Rupture Discs are conventional concave solid discs designed for reliability in applications involving gases and liquids under cyclic and pulsating pressure conditions. These rupture discs respond to excessive pressure within milliseconds, ensuring optimal safety. Additional supports can be provided for vacuum or counter-pressure protection.

Product Specifications

Sizes: From 1/2" (DN15) to 24" (DN600)

Materials: Available in Stainless Steel, Alloy 201, Alloy 400, Alloy 600, Alloy 625, Alloy C276, and Titanium

Rupture Pressure: Ranges from 5 to 1150 bar g (depending on diameter)

Tolerance: +/- 5% to +/- 20%

Temperature Resistance: Up to 600 °C

Operating Margin: Up to 70%

Fragmentation: Yes

Installation beneath valves: Not recommended

Corrosion Resistance: Excellent

Linings: Available

Suitable Containers: FSFI/A, FSHI/P, FSHI/F, FSHTC

PED Certification (CE Mark): Available. To order, please download our Rupture Disc Request Form and forward the completed form to sales@flowstar.co.uk.

**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.

Product Specification

Our comprehensive range of valves is available in various sizes: 15NB, 20NB, 25NB, 32NB, 40NB, 50NB, 65NB, and 80NB. Each valve features a male BSP inlet and a female BSP outlet, ensuring compatibility with most systems.

Constructed from high-quality gunmetal or stainless steel, our valves offer durability and reliability. The disk options vary by size, with all sizes utilising a robust metal-to-metal design, while the 15NB to 50NB variants offer the added advantage of a Viton disk.

Each valve is equipped with 'O' Rings made from nitrile, providing effective sealing for a range of applications. These valves are suitable for use with compressed air, gases, water, oil, and steam, making them incredibly versatile.

The set pressure for our valves ranges from 0.35 to 24 Barg for sizes 15NB to 50NB, and from 0.35 to 13.79 Barg for the 65NB to 80NB sizes. They can operate at a maximum temperature of 200°C, ensuring performance even in demanding conditions.

Enhance your systems with our reliable valves, engineered for optimal performance and longevity. Explore our selection to find the perfect size for your needs.