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  • [EXCESS FLOW VALVE DISCS ]
  • [EXCESS FLOW VALVE DISCS ]
  • [EXCESS FLOW VALVE DISCS ]
  • [EXCESS FLOW VALVE DISCS ]
  • [EXCESS FLOW VALVE DISCS ]
  • [EXCESS FLOW VALVE DISCS ]

EXCESS FLOW VALVE DISCS

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MARSTON Excess Flow Valves Bursting Discs
Excess flow valves (EFV) may be fitted to prevent back pressure developing between a bursting disc and, for example, a safety relief valve during normal plant operation.

MARSTON Excess Flow Valves Bursting Disc
The excess flow valves should be fitted in a horizontal mode. In the event of the disc rupturing, the excess flow valve will seal the vent system under the influence of the pressure pulse.

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