PVC Pressure Reducing Coupling 40mm x 20mm (1 1/2" x 3/4") used to join 40mm and 20mm PVC pressure pipe in a straight line. The 40mm socket suits PVC pressure pipe with a 48.3mm outside diameter, while the 20mm socket suits pipe with a 26.8mm outside diameter.
Both sockets fit over their matching PVC pressure pipe and are joined using PVC priming fluid and pressure-rated solvent cement. This joining method is known as a solvent weld joint, or SWJ.
Manufactured from rigid PVC-U, the reducing coupling is suited to residential, commercial and agricultural irrigation, garden and landscape watering, domestic and rural water supply, pump systems, pool and spa equipment, general water transfer and compatible PVC pressure pipework.