Temperature control valve threaded ISO228/1 material: braass body , plastic handle Size:1/2", 3 ... 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, ... control valve, brass radiator valve for floor heating system