The european standard EN 1834-1:2000 covering diesel engine operation in 1 or 2 hazardous areas where flammable gas or vapour may exist, requires that both the engine fuel and intake air supply are automatically shut down if engine overspeed occurs.

  • Used in conjunction with chalwyn air intake shut down valves
  • Instant closure of fuel supply when intake valve shuts
  • Does not require reset following a normal engine shut down
  • Kits of parts available for the connection to the air intake valve
  • Support bracket included