Precision brass inserts for CPVC pipe fittings. Female BSP (parallel) and male BSPT (taper) threads from 1/2" to 2". Optional EPDM rubber ring or NBR rubber O-ring for sealed fluid applications.

Prime Industrial Components manufactures and exports brass inserts for CPVC pipe fittings, serving the plastic molding and injection molding industries globally. Female inserts are supplied in BSP (parallel) threads; male inserts in BSPT (taper) threads. Standard sizes span 1/2", 3/4", 1", 1.1/4", 1.1/2" and 2".
For sealed fluid applications, CPVC inserts can be supplied with an EPDM rubber ring or NBR rubber O-ring. Both blind and through configurations are offered, with custom specifications produced to drawing.
Standard ranges shown. Custom sizes, threads, materials and finishes produced to drawing.
CPVC fittings often carry hot water or chemical fluids, where reliable sealing matters as much as a strong thread mount. Prime CPVC inserts can be supplied with two sealing options to match your service conditions:
CPVC inserts are embedded in the plastic during fitting manufacture. Prime engineers each insert for retention through the molding cycle:
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