... -1:2000 material: brass body , brass ball, brass stem , steel hand ball valve code: BT1004size:1/4"-4"Thread: ISO-228-1 ... :2000material: brass body , brass ball, brass stem , steel hand ACS APPROVED ... To Join Body & Bonnet6.Nickel Plated & Full Port BOTE BALL VALVE are bottom lkoaded stem designed , this anti blow out stem ...