... valve Brass ball valve: 1,Size: 1/4".3/8',1/2',3/4',1',11/4',11/2',2 ... medium: water , non-causticity liquid , saturated steam .COMPONENT:NO.ComponentMaterial1BodyC377002BonnetC377003BallC377004Seat RingTeflon5StemC377006Packing RingsTeflon7WasherC377008HandleSteel & Aluminium9NutSteel Quality and inspection:Fegular ... the goods in random during the period time of production. we are able to provide you ...