VENTEX

Valves not being parts of machinery made of metal, namely, explosion protection valves made of metal, check valves made of metal and fire dampers made of metal, all for use in the prevention of shock waves, fires and suction waves

Valves being parts of machinery, namely, explosion protection valves, check valves and fire dampers, all for use in the prevention of shock waves, fires and suction waves; gas producing generators for operating valves, sold as a component of said valves; drive motors for operating valves