Pressure Burst Discs

rupture disk, also known as a pressure safety discburst discbursting disc, or burst diaphragm, is a non-reclosing pressure relief safety device that, in most uses, protects a pressure vessel, equipment or system from overpressurization or potentially damaging vacuum conditions. Designed as safety devices to protect vacuum systems against back fill overpressure, MDC Precision’s burst discs include:

  • Positive pressure burst disc designed to burst at a positive pressure in the range from over atmosphere to 25 psig, with rupture certain to occor over 25 psig
  • ASME BDA-series ASME-UD certified burst discs for pressure relief above atmospheric pressure
  • Low pressure (LP) BDA-series burst discs for pressure relief below atmospheric pressure

Designed for use in ultra-high vacuum (UHV) applications, MDC burst discs feature all-metal stainless steel construction and provide overpressure protection of systems with optional gas recovery and protecting your system from overpressurization.

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