Can this double check valve be attached to a plastic water pipe, or can it only be attached to a copper water pipe? Thanks.
http://www.pegleryorkshire.co.uk/EN/Brands/Kuterlite/Valves/reordered_ChromePlateValves/product/K4424CP_Double_check_valve
http://www.pegleryorkshire.co.uk/EN/Brands/Kuterlite/Valves/reordered_ChromePlateValves/product/K4424CP_Double_check_valve