... certificate: ISO9001 , CE material: brass body , brass ball, brass stem , Brass globe valvecode: BT1001size:1/4"-4" max pressure: 25 bar ... RingsTeflon PVC7WasherBrass8Handlesteel 9NutIronmaterial: brass body , brass ball, brass stem , steel handle .BOTE BALL VALVE are bottom lkoaded stem designed , this ... of the valve when in the line , and the ball valve have a double seal with elastic O-ringS chosen ...