110mm Metric Poly x 4" Flange - Plasson Metric Poly Pipe - with steel backing ring
Plasson 110mm metric poly x 4" flange fittings are supplied complete with a metal backing ring and are used to connect metric poly pipe to all flanged equipment. Don't forget to order your gaskets and bolt sets. Rated to PN16 and Watermark Approved and I guarantee that if you install the flanged adaptor as per the instructions, it will never ever leak. Buy Plasson from IW Group for a 20-year guarantee. Bolt Circle Diameter is 180mm.