tag class
Is a gas flow damper intended to adjust an air flow rate through a duct.
A closure intended for sealing off a duct in case of fire.
A gas flow damper that prevents back flow in a duct.
A gas flow damper that is used to relieve built-up pressure in a duct system to prevent damage to HVAC equipment.
A pressure vessel located in both pump- and compressor piping systems in order to reduce residual pulsation fluctuations, as a result of discontinue operation effects, within an allowable level specified.
A damper intended for closing off parts of a ventilation system.
A device decreasing noise in a HVAC system.
A document that describes methods of operating a piece of equipment or process unit, including but not limited to Instructions, procedures, drawings, tables, etc. for the operation -stop, start, and emergency shutdown. Including operational limits, function testing, possible interruptions, corrective actions, hazards and corrective measures to be taken.
A device that damps, typically a valve or plate (as in the flue of a furnace) for regulating the draft, or a device to stop vibration, typically a shock absorber or snubber.