... Size:1/2", 3/4"2, Material: brass, you could choose the specification of brass3, Max ... , Material: brass body, brass cartriday, brass stem, brass seal gasket, NBR o-ring, ABS handle,etc.6, Medium: water, oil, ... of production.Production step: 1, Semit the brass bars and make the hot forging.2, Machining ... quality&prompt delivery Temperature control valve, brass radiator valve for floor heating system