Reducing sockets in UPVC plastic are available from stock, this sizes between 1" x 3/4" and 4" x 3" nominal bore, this includes both plain solvent welding and female BSPP parallel threaded ends to BS EN 10226-1 and ISO 7-1. Both the RS13 plain reducing socket and the RS11 threaded version have been manufactured in conformance with the BS 4346-1 standard by Comer or Onyx.
The RS13 is 15 bar (PN15) pressure rated and can be easily installed using our UPVC solvent cement, the BSP threaded RS11 UPVC reducing socket is PN10 (10 bar) pressure rated, both have an operating temperature range of 0 - 60°C.