DELUGE-DUE CHECK VALVE/ONE AND SEVERAL VALVE

摘要

PURPOSE: A deluge-due check valve/one and several valve are provided, which are used as a fire-cycle or sprinkler system and configure a general pipe and a fire pipe in one line with being small and lightweight. CONSTITUTION: The deluge-due check valve is used as a dry type and a wet type according to a use condition, is made so that there is no frictional loss and corrosion inside, and is designed so that there is no differential pressure and eddy current and a constant pressure is always kept with an expanded internal structure. The one and several valve is used for water and hot water, and basically comprises a glove valve and a hammerless check valve to prevent back current.