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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.​​​

HON 721
Honeywell safety devices/Safety Shut-Off Valves

Features include:

-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

-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.

HON 721pdf dokument (0.55MB)


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Official web presentationURL dokument