Z1 Z2 imitation imitation series with the purge valve hole, working principle, characteristics, pric

Profile: valve (gate valve) is the gate opening and closing parts, ram direction of motion perpendicular to the direction of the fluid, the valve can only be fully open and fully closed, can not be adjusted and cut expenditure. There are two gate sealing surface, the most common mode of gate valve sealing surface to form two wedge, wedge angle with the valve parameters vary, usually 50, the medium temperature is not high when 2