FSDIFFA - Forward Acting Rupture Discs

FSDIFFA - Forward Acting Rupture Discs

**FSDIFFA Forward Acting Rupture Discs: Reliable Pressure and Vacuum Protection** The FSDIFFA Forward Acting Rupture Discs are advanced composite devices designed from four essential components: a slotted, perforated metal section, a sealing membrane (available in PTFE along with various other metallic and non-metallic materials), a protective cover, and a calibration ring. These rupture discs are expertly engineered to be installed between flanges, making them ideal for use with gases and liquids under static conditions and at low pressure levels. FSDIFFA discs respond swiftly to excessive pressure, achieving total opening in just a few milliseconds, thus providing effective valve protection. Additionally, supports can be included for vacuum or counter-pressure applications. These composite rupture discs also offer the capability for simultaneous protection from both pressure and vacuum. **Specifications:** - **Sizes:** Ranging from 1" (DN25) to 40" (DN1000) - **Materials:** Available in Stainless Steel, Alloy 201, Alloy 400, Alloy 600, Alloy 625, Alloy C276, and Titanium - **Rupture Pressure:** Ranges from 0.5 to 5 bar g, depending on material and diameter - **Tolerance:** From +/- 5% to +/- 20% - **Temperature Range:** PTFE/PFA membrane can withstand temperatures of up to 265°C, with certain membranes enduring up to 480°C - **Operating Margin:** Up to 70% - **Fragmentation:** None (membrane only) - **Use Under Valve:** Yes - **Corrosion Resistance:** Good – can be enhanced with a PTFE membrane - **Linings:** Yes - **Container:** Mounted between flanges - **Rupture Sensor Options:** Electrical, Magnetic, Inductive, Optical - **PED Certification (CE Mark):** Available - **ATEX EX II 2 GD Certification:** Available For further inquiries, please download our Rupture Disc Request Form and send the completed document to sales@flowstar.co.uk. Secure your systems with FSDIFFA Forward Acting Rupture Discs—your reliable solution for pressure and vacuum management.
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Other Products and Services from Flowstar (UK) Ltd

Broady Type D Aluminium Bronze Pressure Reducing Valve

Broady Type D Aluminium Bronze Pressure Reducing Valve

The Broady Type D Aluminium Bronze (NAB) Pressure Reducing Valve is a high-performance solution specifically engineered to meet the demanding requirements of the fluids handling industry. Constructed from aluminium bronze (NAB), this valve is compatible with seawater, making it ideal for marine applications. Key features include high capacity and balanced internal components that adapt to fluctuating inlet pressures while ensuring stable downstream pressure. The valve guarantees a tight shut-off under no-flow conditions. Thanks to its innovative yet straightforward design with minimal moving parts, the Broady Type D Aluminium Bronze Pressure Reducing Valve delivers exceptional service life, reliability, and precision control. Furthermore, the Type D is a WRAS-approved product, available in sizes ranging from 2½” to 6”.

Specification

Sizes: 1½", 2"
Connections: Female Screwed BSPP
Materials: Aluminium Bronze body, Inconel Spring
Disc: Monel
Joints & Seals: Nitrile Disc & Seals
Medium: Liquids
Inlet Pressure (Max): 20 Barg
Outlet Pressure Range: 0.35 to 13.8 Barg
Cv Range:
Temperature:
Approvals:
Notes:

This description has been optimised for search engines, ensuring potential customers can easily find the Broady Type D Aluminium Bronze Pressure Reducing Valve when searching for high-performance valves in the fluids handling industry.
Niezgodka Type 19.1 Safety Valve - SG Iron - Lever

Niezgodka Type 19.1 Safety Valve - SG Iron - Lever

Product Specifications

Sizes Available: 3/4" x 1.1/2", 1" x 1.1/2", 1.1/4" x 1.1/2", 1.1/2" x 1.1/2"

Connections: Screwed BSPP or NPT

Materials:

  • Nozzle: Stainless Steel
  • Spring Bonnet: S.G. Iron
  • Disc: Metal, Viton, or Nylon (varies by pressure)
  • Joints & Seals: NBR, FPM, EPDM (dependent on model)

Head Type: A (Gas-tight Lever)

Suitable Mediums: Steam, Gases, and Liquids

Set Pressure Range: 0.05 to 130 Barg (depending on size)

Temperature Range: -10 to 280 degrees Celsius

Design Certification: TUV

Additional Information: We offer various other options (please refer to downloads), including different (a) O-ring and disc materials, (b) NPT connections, (c) orifice sizes, and (d) head types. For further details, please get in touch with us.

Optimised for SEO: Explore our premium pressure relief valves available in multiple sizes and materials, expertly crafted for reliability in handling steam, gases, and liquids.

Bailey 707MD Safety Relief Valve Female x Female (Metal Disc with Dome Top – Suitable for Steam & Liquid Service)

Bailey 707MD Safety Relief Valve Female x Female (Metal Disc with Dome Top – Suitable for Steam & Liquid Service)

The Kunkle Bailey 707MD Safety Relief Valve Female x Female features a top-guided design, optimising flow with an unobstructed seat bore and a high lift capability. This valve is certified to BS EN 4126 Part 1 (BS6759 pt 1:2:3) and is designed for use with air, gas, steam, hot water (above 212°F / 100°C), and process liquids, depending on the selected model. We will set and test the valve according to your specifications, and upon request, a pressure test certificate will be provided prior to dispatch, ensuring peace of mind.

Specification

Sizes: 1/2" to 2"
Connections: BSP Female Inlet x BSP Female Outlet
Materials: Bronze body, Chrome Alloy spring
Disc: Stainless Steel
Medium: Air, Vapours, Gases, Liquids, and Steam
Set Pressure: 0.35 to 24 Barg
Temperature: -20 to +224°C
Notes: Also recognised as IMI Bailey Birkett valves, Kunkle Emerson valves, and Safety Systems UK valves.

Optimised for reliability and performance, the Kunkle Bailey 707MD Safety Relief Valve is an essential component for various applications, ensuring safety and compliance in your systems. Ideal for industrial environments, it delivers top-tier performance while adhering to the highest safety standards.

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.