Types:
Ball, Butterfly, Check, Cryogenic, Diaphragm, Flow control, Forged, Gate, Globe, High-pressure, Nuclear, Piggable, Plug, Pneumatic, PVC, Reducing, Safety relief, Sanitary, Set-stop wafer, Solenoid, Tank safety, Valve sealants, Valve pilots, Water diaphragm; Control, Electrical, Electro-Hydraulic, Emergency-shutdown, Hydraulic, Pneumatic, Rotary or linear, Solar-powered, Subsea Actuators