PVC check valve

   UPVC check valve                   PVC check valve

Plastic check valve(UPVC CHECK VALVE) the valve body with a plastic, valve cover, including gate and the gate headstock stem institutions, plastic gate valves located in the body in the plastic body at the top of the line with the valve cover to connect the valve cover I, valve cover with plastic body and fixed to connect the valve cover port closed, the body set up in the plastic valve in line with the gate valve, valve and the PVC globe valve,seat with the gate opening in line with the valve seat, plastic body at the two ends were connected with the valve seat's open mouth and out into the flow stream mouth, characterized by the valve seat as described by the valve seat insert composition, described in the valve seat insert and embedded in plastic body mounted on the , is described in open seat on the valve seat insert openings in the plastic body wall and gate of the bottom part of the relative downward indentation Department set up the Ministry, the Ministry referred to the next indentation is located in the valve seat insert sealing surface below the lower edge of the said seat sealing surface of the protrusion on the lower edge of the adjacent wall down the Department of wall indentation.