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Safety Shut-Off Valves

HON 721

HON 721 is a safety shut-off valve (SSV), direct-acting or pilot-operated, according to EN 14382. It is ideal for use at offtake and distribution stations as well as power plants and industrial facilities.​​​

Overview
Features and Benefits:
  • Compact design
  • Easy to maintain due to exchangeable functional units (cartridge assembly)
  • Four release options, standard design with manual release
  • Optionally available design with actuator systems: K 10a, K 11a/1, K 11a/2, K 16, K 17
  • Function Class A (B)
  • Optionally with vent valve HON 915
  • Suitable for non-aggressive gases, other gases on enquiry
  • CE registration according to PED
  • Max. admissible pressure PS: 50 bar
  • Max. operating pressure pmax: up to 50 bar
  • Outlet pressure range
    • For over-pressure Wdso 50 mbar to 40 bar 
    • For under-pressure Wdsu 10 mbar to 40 bar
  • Connection DIN flange PN 16, PN 25, PN 40 and Flange Class 150 and Class 300 according to ANSI 16.5 in DN 50 thru DN 150
  • Response time t 0.1 s to 0.3 s
  • Additional features (as requested by customer)
    • Electromagnetic release (by current supply) 
    • Electric signal sensor for valve position 'closed' (proximity switch)
All mechanical components of this device are without ignition sources. As such, they are not subject to ATEX 95 (94/9/EC). All electrical components used with this device meet the ATEX requirements.
Specifications

Applications & Compatibility

  • Applications
    • Safety shut-off valve for gas pressure regulating stations, Natural gas (DVGW G 260) and other gases on request

Environmental Conditions

  • Temperature Range
    • -20 to +60 deg C (Class 2)
  • Outlet Pressure Range
    • For over-pressure Wdso 50 mbar to 40 bar; For under-pressure Wdsu 10 mbar to 40 bar

I/O Capabilities

  • Response Time
    • 0.1 to 0.3 sec millisecond

Technical Specifications

  • Maximum Inlet Pressure Rating
    • 50 bar (depending on connections)
  • Connection Type
    • Flanged to DIN PN 16, PN 25, PN 40, ANSI 150 RF, ANSI 300 RF

Standards & Certifications

  • Explosion Protection
    • No potential ignition sources (ATEX 95 not applicable), applied electronic accessories comply with ATEX requirements
  • Approvals
    • CE Mark with PED

Communication & Protocols

  • Control Devices
    • K10a, K12, K13, K15a, K16, K17

Material Specifications

  • Body Material
    • Ductile Iron, Cast Steel

Applications & Compatibility

  • Applications
    • Safety shut-off valve for gas pressure regulating stations, Natural gas (DVGW G 260) and other gases on request

Environmental Conditions

  • Temperature Range
    • -20 to +60 deg C (Class 2)
  • Outlet Pressure Range
    • For over-pressure Wdso 50 mbar to 40 bar; For under-pressure Wdsu 10 mbar to 40 bar

I/O Capabilities

  • Response Time
    • 0.1 to 0.3 sec millisecond

Technical Specifications

  • Maximum Inlet Pressure Rating
    • 50 bar (depending on connections)
  • Connection Type
    • Flanged to DIN PN 16, PN 25, PN 40, ANSI 150 RF, ANSI 300 RF

Standards & Certifications

  • Explosion Protection
    • No potential ignition sources (ATEX 95 not applicable), applied electronic accessories comply with ATEX requirements
  • Approvals
    • CE Mark with PED

Communication & Protocols

  • Control Devices
    • K10a, K12, K13, K15a, K16, K17

Material Specifications

  • Body Material
    • Ductile Iron, Cast Steel
  • Applications : Safety shut-off valve for gas pressure regulating stations, Natural gas (DVGW G 260) and other gases on request
  • Temperature Range : -20 to +60 deg C (Class 2)
  • Response Time : 0.1 to 0.3 sec millisecond
  • Outlet Pressure Range : For over-pressure Wdso 50 mbar to 40 bar; For under-pressure Wdsu 10 mbar to 40 bar
  • Maximum Inlet Pressure Rating : 50 bar (depending on connections)
  • Explosion Protection : No potential ignition sources (ATEX 95 not applicable), applied electronic accessories comply with ATEX requirements
  • Control Devices : K10a, K12, K13, K15a, K16, K17
  • Connection Type : Flanged to DIN PN 16, PN 25, PN 40, ANSI 150 RF, ANSI 300 RF
  • Body Material : Ductile Iron, Cast Steel
  • Approvals : CE Mark with PED
Brochure
Name
Description
File Size
Date
Size
HON 721 is a safety shut-off valve (SSV), direct-acting or pilot-operated, according to EN 14382.
application/pdf 555.07 KB
4/28/2021
555.07 KB
Name
Description
File Size
Date
Size
HON 721 is a safety shut-off valve (SSV), direct-acting or pilot-operated, according to EN 14382.
application/pdf 555.07 KB
4/28/2021
555.07 KB
Name
Description
File Size
Date
Size
HON 721 is a safety shut-off valve (SSV), direct-acting or pilot-operated, according to EN 14382.
555.07 KB
4/28/2021
Name
Description
File Size
Date
Size
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