... : 16, 25, 38, 50, 76mm PP, PE, PVDF, PVC, RPVC, RPP plastic pall ring Size customized Plastic pall ring:PE pall ring, PP pall ring, RPP pall ring, PVC pall ring, CPVC pall ring, PVDF pall ring, PTFE pall ring, HDPE pall ring.Plastic Pall Ring ... Φ5050×50×1.5930.90127650056Φ7676×76×2.6730.9294193060 Plastic polypropylene pall ring (16, 25, 50, 76mm)