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PVC Valves

At Irrigation UK we supply a large range of PVC pipe and fittings endeavours to provide you with all of your PVC pipe and fitting requirements. Withn our PVC pipe range you will find traditional glue weldable pipe, as well as thick walled threadable PVC pipe, we also have the blue bar pressure rated PVC pipe - rated up to 20 bar. With a rull range of fittings in metric and imperial, plus all types of valves and unions, including dual composite fittings, we aim aim to provide a solution at competitive prices. 

Irrigation UK - Imperial or Metric pipe and fittings

The sizes indicated in the metric systems are the actual size of the outside diameter of the pipe, in millimetres. Inch and metric systems (excepting 2 1/2" / 75 mm and 5" / 140 mm) are completely different sizes, and can only be joined together using adaptors or flanges with a common P.C.D. The following table indicates the approximate equivalent inch and metric sizes:


Pipe Specificaion - Imperial to Metric


Where applicable PVC fittings are according to ISO 727 and WRAS for potable water. Metric fittings with threads have DIN thread ie taper male parallel female. DIN 2999. Imperial Fittings conform to BS 4346/1 ISO 9002 for pipes made to BS 3505 and BS 3506. Thread are parallel BS 21 male and female.

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