FSLPDDW - Double Way Rupture Discs
The FSLPDDW Double Way Rupture Discs are sophisticated composite conventional discs constructed from four key components: a slotted, perforated metal section, a sealing membrane (typically made from PTFE, but also available in various metallic and non-metallic materials), a protective section, and a calibration ring. Designed to be installed between flanges, these discs are ideal for use with gases and liquids in static conditions, particularly at low pressures. The FSDIFDW discs promptly react to excessive pressure, achieving complete opening within milliseconds, making them an excellent choice for valve protection. Vacuum or counter-pressure support options are also available. Additionally, composite rupture discs offer simultaneous protection from both pressure and vacuum.
Specifications
Sizes: Ranging from 2" (DN50) to 40" (DN1000)
Materials: Available in Stainless Steel, Alloy 201, Alloy 400, Alloy 600, Alloy 625, Alloy C276, Titanium. Membrane options include PTFE, PFA, Stainless Steel, and Aluminium.
Rupture Pressure: Between 0.5 - 5 bar g (varies by material and diameter)
Krl:
Tolerance: +/- 5% to +/- 20%
Temperature: PTFE/PFA membrane maximum temperature up to 265°C, or up to 480°C depending on the membrane type
Operating Margin: Up to 70%
Vacuum Support: Not Available
Fragmentation: None (membrane only)
Installation under Valve: Yes
Corrosion Resistance: Good - can be enhanced with a PTFE membrane
Linings: Yes
Container: Installed between flanges
Rupture Sensor Options: Electrical, Magnetic, Inductive, Optical
PED Certification (CE Mark): Available
ATEX EX II 2 GD Certification: Available
To request our Rupture Disc Request Form, please download it, complete it, and send it to sales@flowstar.co.uk.
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APPROVALS
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SPECIAL FEATURES
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- Filtered water continues to flow even during reverse rinsing
- Fully replaceable filter insert
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- Memory ring serves as a reminder for the next manual reverse rinsing
- Polyamide coating offers superior corrosion protection
- Forced flow optimises water exchange within the filter bowl
- ACS certified
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- DM174 compliant
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Product Codes:
F78TS-65FA, F78TS-65FB, F78TS-65FC, F78TS-65FD, F78TS-80FA, F78TS-80FB, F78TS-80FC, F78TS-80FD, F78TS-100FA, F78TS-100FB, F78TS-100FC, F78TS-100FD
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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.