air release valve


Also found in: Acronyms.

air release valve

[′er ri¦lēs ‚valv]
(mechanical engineering)
A valve, usually manually operated, which is used to release air from a water pipe or fitting.

air release valve

A valve, usually manually operated, which is used to release air from a water pipe or fitting.
References in periodicals archive ?
Tenders are invited for work includes demolition of existing concrete pipe supports, concrete slabs, and piping; furnish and installation of a new vertical turbine well pump and motor, 316 stainless steel support table, concrete foundations and slabs, 316 stainless steel discharge piping, 316 stainless steel valves and fittings, hdpe pipe and fittings, concrete pipe supports, bag filter vessel, bag filters, flowmeter, gauges, air release valves and other instrumentation, new variable frequency drive, electrical control panel, conduit and wiring, new programmable logic controller (plc), flushing, testing, disinfection, well chemical analysis, site restoration and all other work required to provide a complete and operational well.
Contract design drawings will then be prepared for inflow/infiltration rehabilitation, sewer replacement/capacity improvements, force mains and air release valves and sewer lining.
The scope of works has included the construction of concrete valve chambers at one-kilometre intervals, incorporating butterfly valves, dismantling joints, air release valves, washouts and concrete thrust blocks at bends.
Series ARV thermoplastic air release valves expel unwanted air from a pipeline at system start-up.
Combination air release valves with vacuum check are provided on the forcemain to remove entrapped air under pressurized conditions, which occur at lower (pressurized) elevations and during pumping conditions.
Open the air release valves, remove the lid, and then remove the bag.
Tenders are invited for Repairs of air release valves and strengthening of riisng main