对夹式止回阀    Wafer Check Valves

对夹蝶板阀    Wafer plate valves

对夹式衬胶蝶阀    Wafer Type Butterfly Valves with Rubber Itning

排污箱(阀)    Waste Valves

水封闸阀    Water Seal Gate Valves

温度,气    Water,oil,steam 水,

楔式闸阀    Wedge Gate Valves