The special kind of API forged flanged gate valve

The special kind of API forged flanged gate valve
API forged flanged gate valve is actually is a kind of gate valves which with a flange on one side for attachment to another object that are forged in accordance to the American Petroleum Institute. Therefore, it has the same working principle of gate valves .The main parts of API forged flanged gate valve are body, seat ring, wedge, stem, bonnet bolt, bonnet nut, gasket, bonnet, backseat bushing, packing and hand wheel. And it is usually used for the working environments which do not use frequently and keep the disc full-or full-closed. But it does not applicable to regulator or reducing the medium.