we supply different kinds of ball valves, size from 1/4" to 4". Ball valves working medium: water, gas. The ends of thread F/F. F/M. M/M are the normal ball valves, but we can also supply the ball valves for PEX pipes. Straighter normal ball valves, angle ball valves and mini ball valves are all available. For the body of ball valve, we can make it from brass and zinc, and for the ball, it is usually made from brass chrome plated, but if you need cheaper, we can make it in steel chrome plated. The brass ball valves thread standard: ISO228/ISO7