The check valve shall be used indoors or outdoors, applicable to fire sprinkler system, water supply and drainage system, civil building fire protection system, commercial building fire protection system, industrial plant fire protection system, etc. It is divided into swing check valve and wafer check valve, which can be installed horizontally or vertically, and used in pipes with one-way water flow direction to prevent water backflow.
Material qualitynodular cast iron / material suitable for seawater medium