Shut-off butterfly valves Desponia & Desponia plus

EN 161 certified and approved by DVGW, Desponia® range offers a safe and reliable use for gas burners and gas applications. 
EN 161 regulation establishes the mandatory needs for the automatic shut-off valves for gas burners and gas appliances, for systems with working pressure up to 5 bar and valves sizes from DN 50 up to DN 250. According to this regulation, the function and working of the safety quick-closing valves are conceived so that dangerous operating conditions are avoided, and the system is protected. If the auxiliary power source fails, the safety quick shut-off valves are closed through spring force, and the closing time is less than 1 second.
Desponia® and Desponia® plus, from DN 50 up to DN 250 and working pressure up to 5 bar, have passed the stringent requirements of the EN 161 and have obtained the approval by the DVGW, according to EN 161 Class A, valve group 2, safety Class B. Moreover, they also meet one of the most relevant fugitive emission standards, TA-Luft/VDI 2440 and can be supplied with ATEX execution.
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