air valve


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air valve

[′er ‚valv]
(mechanical engineering)
A valve that automatically lets air out of or into a liquid-carrying pipe when the internal pressure drops below atmospheric.

air valve

A valve used to admit or discharge air from a pipeline.
References in periodicals archive ?
But, any air valve manufacturer can be used; the only requirement is that the valve controller include an input for airflow setpoint, an output for actual airflow, an output indicating damper position, and the ability to quickly and stably adjust damper position to meet rapid changes in airflow setpoint.
Very little is asked about the number, size, and functions of air valves for accumulator-head blow molding machines.
Air valve assemblies include specially modified fluorocarbon resin materials, which glide smoothly without lubrication.
Name of Project: Arresting water supply leakage on 200mm dia dkav by replacing with di air valve & with necessary ms specials on kdwsp phase-i 1000mm dia ms main of chilkalguda reservoir near andhra mahila sabha in osmania university under kws monitoring section, o&m div.
Company's new low-profile air valve system protects packaged contents from moisture and contaminants, equalizes air pressure during transit and improves pallet stacking and stability.
Air input to the IBC is then corrected by changing the speed of the AC inverter motors on the intake and exhaust blowers, or with the addition of a new high-speed, servo-controlled air valve, also patented by Addex.
Then an air valve sealed off the test area and the pressure was held for three to four seconds.
Tenders are invited for Supply of kinetic air valve
Units feature a patented Elima-Matic[R] Air Valve System to eliminate blow-by, and deliver non-stalling, non-icing, lube-free operation.
Bladders may be permanently sealed or can instead include a welded-on or molded-in air valve.
Recent emissions regulations also require that sensors be used to confirm proper rotation of the active manifold air valve, to control airflow under dynamic engine conditions.