We offer a complete range of SO11 threaded sockets in UPVC plastic, this includes sizes between 1/2" (DN15) and 4" (DN100) all of which can be ordered here on our website. Our UPVC threaded sockets have all been manufactured by Comer or Onyx in accordance with the BS 4346-1 standard for UPVC pipe and fittings, they also come with a 10 bar (PN10) pressure rating. These sockets are all female BSPP parallel threaded in accordance with BS EN 10226-1 and ISO 7-1.