PVC Pressure Telescopic Repair Coupling Telescopic Repair Couplings have male and female solvent weld joints. They are most commonly used when adding an additional fitting or when repairing broken lines. The PVC slip fix requires PVC pressure solvent cement at the socket joints and a coupling fitting to go with it. Also known as a Slipfix ASTM. Sch 40 PVC Pressure Pipe and Fittings Technical Guide
