Home / Markets / WEAVALVES / Products / Valves Valves Valves include Ball, Butterfly, Check, Globe, Needle, and Solenoid Valves. Actuators come in pneumatic and electric, Air Filters have different fittings and port sizes, Connectors eliminate need of welding, Electro-Pneumatic Contollers, Current/Pressure Transducers, Positioners, Position Indicators are linear or rotary operation, and Volume Boosters. Position Indicators / Switches / Transmitters This category includes Valve Position Indicators, Position Switches, and Position Transmitters. Applications include position monitoring and indication with devices- actuators & cylinders, dampers, and rotary valves. Valves This category contains the different types of valves. These different types are Angle Seat, Ball, Butterfly, Check, Diaphragm, Globe, Manifold, Needle, Shuttle, Solenoid, and Zone Valves. Actuators Actuators come in pneumatic and electric actuators for automating quarter-turn valves. This category contains accessories. Applications include damper control. These actuators have a compact rack-and-pinion design. Dwyer offers double acting and spring return models in a variety of sizes to fit any application.