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FSDIFDW - Double Way Rupture Discs

Product Description

FSDIFDW rupture discs are composite conventional discs formed by four parts: a slotted, perforated metal part a seal membrane (usually in PTFE but also available in many other metallic or non-metallic materials) a protection section a calibration ring This disc has been designed to be mounted between flanges. It is excellent for use with gas and liquids in static conditions and excellent for low pressures. FSDIFDW discs react to excessive pressure with total opening in a few milliseconds. They are therefore recommended for valve protection. Supports may be provided for vacuum or counter-pressure protection. Composite rupture discs may also be used for simultaneous protection from pressure and vacuum.

Sizes: 2" (DN50) to 40" (DN1000)
Materials: Stainless steel, Alloy 201, Alloy 400, Alloy 600, Alloy 625, Alloy C276, Titanium / Membrane: PTFE, PFA, Stainless steel, Aluminium
Rupture Pressure: 0.5 - 5 bar g (depending on material and diameter)
Tolerance: from +/- 5 % to +/- 20%
Temperature: membrane in PTFE/PFA max 265°C, up to 480°C (depending on the membrane)
Operating Margin: up to 70%
Fragmentation: No (membrane only)
Use under valve: Yes
Corrosion Resistance: Good - can be protected with a PTFE membrane
Linings: Yes
Container: Mounted between flanges
Rupture Sensor: Electrical, Magnetic, Inductive, Optical
PED Certification (CE Stamp): Available
ATEX EX II 2 GD Certification: Available

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