Pressure-vacuum valve
[presh-er-vak-yoo-uh m, -yoom] /ˈprɛʃ ərˈvæk yu əm, -yum/
noun
1.
a valve for relieving a sealed tank of any pressure or vacuum exceeding acceptable limits.
Read Also:
- Pressure vessel
noun 1. (engineering) a vessel designed for containing substances, reactions, etc, at pressures above atmospheric pressure
- Pressure-volume index
pressure-volume index n. A method of evaluating the dynamics of cerebrospinal fluid.
- Pressure-welding
noun 1. the welding together of two objects by holding them together under pressure.
- Pressuring
noun 1. the exertion of force upon a surface by an object, fluid, etc., in contact with it: the pressure of earth against a wall. 2. Physics. force per unit area. Symbol: P. Compare stress (def 6). 3. Meteorology. atmospheric pressure. 4. Electricity. electromotive force. 5. the state of being pressed or compressed. 6. harassment; […]
- Pressurization
[presh-er-uh-zey-shuh n] /ˌprɛʃ ər əˈzeɪ ʃən/ noun 1. the process or act of pressurizing. 2. the state of being pressurized.