pop-off valve

(redirected from Blow-off valve)
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pop-off valve

A safety valve that releases gas into the atmosphere from a ventilator circuit when the pressure in the circuit exceeds a known, safe level.
See also: valve
References in periodicals archive ?
site piping including concrete encased 20-inch pressure piping, isolation and blow-off valves.
Standard features include manual pressure control and blow-off valves.
The 'No Pain Barrier' is unique in the way it absorbs the energy by transferring air from the impacted area into the rest of the fence, rather than by blow-off valves situated in individual sections.
Planned capital improvements include the installation of new blow-off valves for flushing.
The Work Under This Contract Shall Be For Furnishing All Labor, Materials, Transportation And Services For The Construction And Installation Of The Following Work: Furnish And Install Approximately 4,795 Lf Of 36 Diameter Potable Water Transmission Main, 774 Lf Of 12 C900 Pvc Water Distribution Water Main, Including Isolation Valves, Air / Vacuumvalves And Blow-off Valves And Fittings.