Ball valve sentence example
- An overflow is provided, discharging into the open air to allow the water to escape should the ball valve become defective.
- Every installation is made up of a boiler or other water heater, a tank or cylinder to contain the water when heated, and a cistern of cold water, the supply from which to the system is regulated automatically by a ball valve.
- In the late 1950s/early 1960s, Albert Starr 3 developed a simple caged ball valve.
- A new ball valve was installed, but failed to cure the problem.