Metso Automation / Jamesbury QPX1C/MC Pneumatic Actuator Valve | Quadra-Power X | 60–100 PSI | Pmax 19.6 Bar

What pressure, flow and temperature is it rated for?

The valve body has a maximum pressure rating of 19.6 bar and a temperature rating of 260 Celsius with 316/Rife seat material. The actuator operates on 60–100 PSI supply pressure and delivers 25 foot-pounds of torque at end of spring stroke. Flow capacity is not specified in the listing; you'll need the Cv value and trim size from the seller to calculate flow for your application.

What materials are the wetted parts?

The seat material is listed as 316/Rife rated to 260 Celsius. The body size is 1", but the listing does not specify the body material, ball or disc material, stem material, or seal materials. Request a complete materials list from the seller, particularly if you have corrosion, temperature, or gas purity requirements.

What should I inspect before putting it into service?

Cycle the actuator through full stroke to confirm the spring return functions and torque output meets the 25 ft-lb specification, then inspect all seals and packing for hardening or damage. Verify seat tightness with a low-pressure test appropriate to your service, and check that mounting hardware and positioner brackets (if present) are secure. On used quarter-turn valves, worn seats and stem packing are the most common issues; if this saw high-cycle service, budget for a trim rebuild.