Noryl valve stem has brittle failure in tension.
Suggested material of CPVC solves the problem.
Photo of plastic component machined from PVC
Plastic manifold machined from PVC
Clear PVC manifold for medical device. Lettering is engraved for port identification
Photo of plastic component, machined from PVC
At lower temperatures, economical PVC offers a combination of excellent chemical resistance, high mechanical strength, and low moisture absorption. CPVC increases both weather and temperature resistance, expanding design versatility. Both materials are easily vacuum formed, thermoformed and fabricated, and can be glued, cemented, welded and varnished.