brass ball valve for connecting water-meter and pipes Material: brass, nickel ... 3/4, 1, 11/4, 11/2, 2 Brass ball valve with long handle are made of brass body, brass ... ball, brass stem and long iron handle coated plastic. ... cool water-supply system and civil heating system, to control water to flow.model:Q1/2F-R1/2-Tb,Q3 ... /2F-R11/2-Tb,Q2F-R2-Tb brass ball valve