l Impact handwheel can be configured according to user’s requirements;
l The configured eyelet bolt that can rotate sidewise is beneficial to the filler maintenance;
l According to user’s requirements, gate valve, of which pressure is 1.6-10.0 MPa（150-600 pound） can use connecting bolt; gate valves, of which pressure is 16.0 MPa（above 900 pound）and 8,0 - 10,0 MPa（600 pound）can use connecting ring;
l The stem has cone upper sealing surface, which allow replacement of filler in full open state of valve;
l The valve clack is designed as spherical or flat;
l The standard material of sealing surface of the valve seat surfacing on the 6th cobalt-based.