This 150mm Vanstone Flange (Loose Ring) consists of a solvent-weld PVC stub end and a rotating metal (or PVC) backing ring, allowing bolt-hole alignment without rotating the pipe. Ideal for connecting PVC pipework to pumps, tanks, valves, and other flanged equipment to AS 4087 Table D or E drilling. The loose ring accommodates rotational adjustment for easy bolt-hole alignment during installation. Suitable for water supply, irrigation, and industrial applications.