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Safety Shut-Off Valves

HON 305

HON 305 is a safety shutoff valve of single inline orifice design, overpressure operated, with external control line connection, manual reset and pressure balancing bypass. It is completely self-acting and requires no separate power source.

Features include: 
  • May be used as a protection system for gas supplies and networks
  • To be installed on the inlet pressure side with an external measuring line leading to the outlet pressure side in order to ensure automatic closing of the station in the event of overpressure
  • Valve position indicator as standard, with remote indication available
  • Push button for the pressure compensating valve
  • Re-engage by hand
  • Low-pressure loss
  • Suitable for natural, non-aggressive and manufactured gases; nitrogen, carbon dioxide and propane; and other gases upon enquiry
  • CE registration according to PED
  • Max. inlet pressure pmax: up to 19 bar (depends on body material and pipe size)
  • Pipe sizes: DN 50, DN 80, DN100, DN 150, DN 200
  • Optional: Combined over-pressure / under-pressure release
  • Temperature range: 20 to 60 °C
All mechanical components of this device are without potential ignition sources and/ or hot faces. They are not subject to ATEX 95 (94/9/EC). All electronic accessories, on the other hand, meet ATEX requirements.