relief vent

relief vent

relief vent
A branch from the vent stack, connected to a horizontal branch between the first fixture branch and the soil or waste stack, whose primary function is to provide for circulation of air between the vent stack and the soil or waste stack.
McGraw-Hill Dictionary of Architecture and Construction. Copyright © 2003 by McGraw-Hill Companies, Inc.
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In addition to the potential software malfunction, GM also recalled 48 compressed natural gas-powered versions of the 2011-model Chevrolet Express full-sized vans to repair a potentially incorrectly built pressure relief vent pipe that could allow natural gas into the passenger compartment and increase the risk of an explosion or fire.
Kleerband[R] is a transparent polymer band with grease injection fittings and relief vent plug that allows 360[degrees] of continuous inspection.
The extruder screws at the side stuffer move the materials forward while providing a relief vent for entrapped air and moisture that is flashed.
Each FueLocker is fitted with a pressure relief vent valve for additional safety, and a 2" (50mm) bulk discharge fitting assembly is optional.
* Revision of requirements for terminating relief vent discharge lines
Safety features include a gas detection system with wide temperature range, rapid air exchange function, pressure relief vent, reinforced chamber door, safety door lock, control signal for external systems, and fire extinguisher system.
Section 9.4 of Standard 15-2007 prescribes equipment requiring pressure relief protection, limitations on the use of isolation valves in a relief vent piping system, materials of construction for relief valves, and maximum changes in the relief valve's set pressure over time.
Anderson, the design engineer in charge of CFD analysis for the pressure relief vent project.
Options include a belt driven fan, explosion relief vent and factory wired safety disconnect switch.
Horizontal dispensing requires a self-closing, Factory Mutual-approved faucet, pressure relief vent, grounding wire, bonding wire and drip can.