A ball valve is integrated inside the ball, PTFE ring, a lock nut, the ball has slightly smaller diameter than the pipe diameter, similar to the wide type ball valve.
Two piece ball valve is composed of two parts, the sealing effect is better than a piece of ball valve, the diameter of the ball has same diameter of the pipe, easy to disassemble than a piece of ball valve.
Three way ball valve is composed of three parts, both sides of the valve cover and the middle of the valve body, the three piece ball valve is different from the two piece ball valve and a piece of ball valve is located in the demolition of convenient maintenance.
Distinguish from pressure
Three chip pressure is much higher than one piece and two piece ball valve....