Manual Valves Flanged or Threaded DN 10 - 150 with thermal equipment for gas for high thermal capacity with automatically closing safety device, steel fitting, resistant to high temperatures (HTB), trip temperature 100°C (-5 K) from all leading German and European manufacturers.
For industrial and commercial, in front of gas input lines to gas burners, water heaters and gas boilers. In case of fire, they close the gas line and protect long time ago uncontrolled leaks and explosions.