Actuator gate valve being widely used to connect or cut off medium in pipeline can only be opened or closed fully. Gate valve has the advantages of installing at any direction without limitation, small disturbed current, low pressure drop, shot face-to-face dimension, good sealing performance and wide application. Otherwise, the feature of the gate valve can ensure permissible leakage rate lower than that specified in API 6D or API 600 and the middle shaft sealing can pass the USA VOC leakage test. China Valmax Valve can provide various materials specified by API 600. We can also provide valves made of carbon steel, stainless steel, alloy, Hastelloy and nickel chrome to meet the different requirements.