... slow9. Cartridge: brassGeneral features and options for various brass angle valves: 1. Brass: CuZn39Pb2, CW617n, HPb59-1, HPb57-3, ... MS58, DZR.3. Body finish: polished brass, nickle, chrome4. Cartridge: brass, ceramic5. Operation mode: slow open, quick ... CE and ACS quality certificate10. Management certificate: ISO2008; B.V. on site inspection High quality polished and chromed Brass Angle Valve