Victaulic’s Style 355 PGS-300 expansion joint is the latest addition to its system solution for CPVC/PVC pipe, a grooved mechanical pipe joining system designed specifically for use on CPVC/PVC pipe. The Style 355 PGS-300 expansion joint is a manufactured assembly of Victaulic Style 357 couplings, grooved pipe sections and end adapters, joined in tandem to accommodate system expansion and contraction. Available in 2” to 12”/DN50 – DN300 sizes, the coupling provides up to 4.75” (121 mm) of axial moment.  The coupling incorporates the Victaulic PGS-300 groove profile to optimize product performance on Schedules 40 and 80 CPVC/PVC pipe. Victaulic.