... valve with handle1, Size:1/2", 3/4"2, Material: brass, you could choose the specification of brass3, Max pressure: 10bar4 ... , Normal pressure: 8bar5, Material: brass body, brass cartriday, brass stem, brass seal gasket, NBR o-ring, ABS handle,etc.6 ... the period time of production.Production step: 1, Semit the brass bars and make the hot forging.2, Machining and CNC ...