Safety relief valve HON835

HON 835 is a Type-B direct-acting safety relief valve (SRV) according to DIN 33821. It is ideal for use at distribution and industrial stations. It is ​primarily used to relieve gas leakage in gas pressure regulators to prevent the SSV from being actuated by accident.​​​​​

Features
  • Function Class B
  • Simple construction, easy to maintain
  • Installation irrespective of position
  • High response accuracy
  • Suitable for non-aggressive gases, other gases on enquiry
  • CE registration according to PED
  • Max. admissible pressure PS: 25 bar
  • Max. operating pressure pmax: up to 25 bar
  • Outlet pressure range: Wd 5 mbar to 2 bar
  • Valve seat Ø
  • 3 mm (measuring unit 0)
  • 25 mm (measuring units 1 and 2)
  • Connection
  • Inlet and outlet:
  • PN 5: internal thread G 1
  • PN 16 and 25: Pipe connections according to DIN EN ISO 8434-1 (DIN 2353)
  • for pipe sizes:
  • 12 mm (measuring unit 0)
  • 28 mm (measuring units 1 and 2)
  • 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.

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