Pneumatic angle control valves are essential in pneumatic systems, managing the flow and direction of air, regulating air passage and providing shut-off or depressurization in hazardous situations. These angle control valves use linear motion to position a closure member against a seating surface. Commonly employed in boiler feedwater and heater drain services, pneumatic angle control valves are particularly useful in space-constrained piping schemes where they can also act as an elbow, integrating functionality and efficiency into compact designs.