NOS Williams WM781-100 2-Position Toggle Control Valve Switch

Williams WM781-100 2-Position Toggle Control Valve Switch is a pneumatic control valve commonly used in heavy-duty trucks, buses, and industrial equipment for air system control functions. It features a robust lever/knob design for reliable operation in harsh environments. Technical Specifications: Manufacturer: Williams Controls (a Curtiss-Wright company) Part Number: WM781-100 Type: 2-Position Toggle Control Valve Switch Application: Pneumatic control for truck and bus air systems Positions: 2 (ON/OFF or Supply/Exhaust depending on configuration) Mounting: Panel mount with pre-drilled plate (multi-hole) Port Size: 1/8 inch NPT (typical for control valves in this series) Flow Capacity: Suitable for low to medium flow pneumatic applications Operating Pressure Range: 0 – 150 psi (0 – 10.3 bar) Operating Temperature Range: -40 °F to +180 °F (-40 °C to +82 °C) Knob Type: Pull/Push knob with red/yellow identification for function control Material: Metal housing with plastic knob, corrosion-resistant finish Weight: Approx. 0.8 lbs (0.36 kg) Function: Provides manual pneumatic control in air brake or auxiliary air systems Manufacturer Country: USA Please review pictures carefully and let us know if you have any questions!