... 1/2", 3/4" Small orders accepted Forged brass straight radiator valve with lockshield, 1, Size:3 ... /8", 1/2", 3/4"2, Material: brass, you could choose the specification of brass3, Surface treatment ... getting the depositeProduction step:1, Smelting the brass bars and making the hot forging2, Machining and CNC ... OEM service7, Small orders accepted Brass radiator valve, temperature control valve (with CE)