PP-R Ball Valve , brass ball valve, plastic valves 1) Products brand name: Donsen 2) Standards: DIN8077 PP-R Ball Valve 1) Products brand name: Donsen 2) Main type of cooperation: looking for agents and OEM3) Standards: DIN8077 PP-R Ball Valve1) This ball valve with brass ball is of high quality2) Stylish design and reasonable price3) Suitable for hot water4) Substitute of full brass valve (new). ...