Elfab has developed a two-way rupture disc to prevent vessel damage under vacuum or from overpressure. Customers who previously relied on separate rupture discs for positive and negative pressure relief can now use this disc alone to fulfil the same protective function via a single installation point. Available in non-fragmenting composite or graphite designs, and compatible with liquid, gas and vapour, the two-way disc is suitable for most customer applications. Both disc designs feature the non-invasive, Atex-approved detection system, Flo-Tel, making them bidirectional discs to benefit from reusable burst detection. The composite design is supplied in stainless steel as standard but a wide range of other materials can also be provided. The graphite disc is non-torque sensitive and needs no holder, instead fitting directly between flanges.
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