[Valves, Industrial Valves, Customized valves, Control Valves, Fabricated Valves, High Pressure Valves, Actuator Operated Valves, Cryogenic Valves Chemtech valves is one of the leading manufacturers of all types of Industrial Valves, chemtech would like to introduce ourselves as one of the Leading Industrial Valves. Like Ball, Gate, Globe, check, Automatic Control Valve, Pressure Reducing Valve, High Pressure Valve. A gate valve is a valve that opens by lifting a round or rectangular gate out of the path of the fluid. Control valves are valves used to control conditions such as flow, pressure, temperature, and liquid level by fully or partially opening or closing in response to signals received from controllers. ]