Enhanced Processing Methods for Plastics Designer and Manufacturer

Helped Accelerate Innovative Product Launch

ProVent Systems, a leading designer and manufacturer of polyvinyl chloride (PVC) products, was launching an innovative PVC plumbing system with revolutionary benefits for commercial high-rise builders when the company hit several roadblocks during early testing. Problems surfaced with resin formulation and welding inconsistencies that threatened to stall the program’s rollout.


Historically made of cast iron, the drain-waste-vent product would be the first-ever, solvent-type fitting made of PVC, promising to be more durable, more sound resistant and less expensive to install than previous systems. The new patented Single Stack® fitting would need to be molded in two pieces and then welded together with an exacting flush-fit to ensure leak-proof performance.


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