Installing a ball valve is easy. Just make certain you purchase the right valve for the size of inlet and outlet pipe. You'll need to shut off the water supply for the house, of course.

Figure 2 shows the instantaneous pressure as liquid moves through a control valve. The inlet and outlet cross-sectional areas of a valve are much larger than the control area, such as the cage or the ...

As the piston retracts, the ball closes the inlet valve, the outlet valve of the intermediate chamber is opened, forcing the diaphragm to push against the piston. The seal between the piston and ...