brass globe valve code: BT1001 size:1/4"-4" certificate: ISO9001 , CE material: brass body , brass ball, brass stem , Brass globe valvecode: BT1001size:1 ... brass body , brass ball, brass stem , steel handle .BOTE BALL VALVE are bottom lkoaded stem designed , this anti blow out stem ... prevent tampering with the internals of the valve when in the line , and the ball valve have a double seal with elastic ...