Fire prevention safety device for gas meters
Fire resistant seat for flow control valve
Fire resistant valve
Fire resistant valve
Fire responsive stem retention apparatus
Fire safe butterfly valve
Fire safe butterfly valve
Fire safe disc valve
Fire safe disc valve
Fire safe seal
Fire safe seat for a rotary valve
Fire safe valve
Fire safe valve
Fire seal for valves
Fire stop pipe coupling adaptor
Fire tested butterfly valve
Fire transmission prevention system
Fire-resisting device for piping extending through a wall
Fire-safe ball valve
Fire-safe valve structure