... Gate Valve, China, mill, manufacturer, supplier, factory, wholesale, cheapCast Iron Gate ValveHuachao can supply wedge gate valve electric actuated gate ... wedge underground gate valve.Features:Size range: 2"-20"Pressure ratings: class 150-300, PN16-PN160Standards compliance: DIN 3352, ... B16.34, API 6D, GOST 5762Material: gray cast iron, GG 25, ductile iron, GG 40, GGG50Seat material: NBR, EPDM, Brass ...