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Safety Shut-Off Valves

HON 711 – DN 200 thru 300

HON 711 – DN 200 thru 300 is a safety shut-off valve (SSV), direct-acting or pilot-operated, according to DIN EN 14382. ​​​​

Features include: 
  • Device for transmission stations in gas networks for power plants and industrial facilities
  • Very low pressure loss due to axial flow
  • Four release options, standard design with manual release
  • High response accuracy
  • Available with actuator systems: K 10a, K 11a/1, K 11a/2, K 16, K 17, K 18, K 19
  • Function Class A (B)
  • Easy maintenance
  • Optionally with vent valve HON 915
  • Suitable for non-aggressive gases, other gases on enquiry
  • CE registration according to PED
  • SIL certified according to IEC61508
  • Max. admissible pressure PS: 100 bar
  • Max. operating pressure pmax: up to 100 bar
  • Outlet pressure range
    • For over-pressure Wdso 80 mbar to 90 bar 
    • For under-pressure Wdsu 10 mbar to 90 bar
  • Connection: DIN flange PN 25, PN 40 and Flange Class 300, Class 600 according to ANSI 16.5 in DN 200, DN 250, DN 300
  • Response time t: 0.1 s to 0.5 s
  • Additional features (as requested by customer)
    • Electromagnetic release 
    • Electric signal sensor for valve position 'closed' (proximity switch)
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