GS series discharge ball valve, with an integrated valve body structure. Increase the inlet flange design, reduce the net space of the valve ball, and prevent liquid accumulation. The valve stem axis is designed with a certain inclination angle and an elongated connection structure to prevent interference with the bottom of the valve; Meet the operational space requirements. Anti blow out valve stem. Spring loaded valve seat sealing structure (hard seal). Non metallic valve seat with a temperature resistance of 230 degrees Celsius