... 1/2", 3/4" Small orders accepted Forged brass straight radiator valve with lockshield, 1, Size:3/8", 1 ... , Smelting the brass bars and making the hot forging2, Machining and CNC processing3, Assembling4, Pressure test and quality checking5, ... top quality, professional service and prompt delivery6, Supply OEM service7, Small orders accepted Brass radiator valve, temperature control valve (with CE)