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Intumescent dampers swell shut due to intumescence in the event of a fire. Unlike mechanical dampers, it is a physical/chemical reaction that causes closure. Cleaning and an age assessment are periodically performed. The annulus of an intumescent damper is closed eliminating smoke migration. Also, intumescent fire dampers can be qualified to ...
Hoyt Archery is an American manufacturer of recurve and compound bows located in Salt Lake City, Utah. [1] Most notable for their competition recurve bows, which are featured prominently in the Olympics; every gold medalist in individual archery at the 2012 Summer Olympics shot a Hoyt recurve. [ 2 ]
Riser clamp for a standpipe through-penetration firestop inside a fire hose cabinet under construction. A riser clamp is a type of hardware used by mechanical building trades for pipe support in vertical runs of piping (risers) at each floor level. The devices are placed around the pipe, and integral fasteners are then tightened to clamp them ...
External access point for fire sprinkler and dry standpipe at a building in San Francisco, US Antique wet standpipe preserved at Edison and Ford Winter Estates. A standpipe or riser is a type of rigid water piping which is built into multi-story buildings in a vertical position, or into bridges in a horizontal position, to which fire hoses can be connected, allowing manual application of water ...
A shock absorber or damper is a mechanical or hydraulic device designed to absorb and damp shock impulses. It does this by converting the kinetic energy of the shock into another form of energy (typically heat) which is then dissipated. Most shock absorbers are a form of dashpot (a damper which resists motion via viscous friction).
The Hoyt Ruckus is a now-discontinued performance-driven youth compound bow produced by Hoyt Archery. It measures 29.75 in (75.6 cm) axel to axel. It measures 29.75 in (75.6 cm) axel to axel. It has a huge range of adjustability with draw lengths going from 18–28 in (46–71 cm) at 1 in (2.5 cm) increments.
This damper can switch the electrical power to control additional "slave" dampers, minimizing the electrical load on the damper's control circuitry and power transformer. A zone damper (also known as a Volume Control Damper or VCD) is a specific type of damper used to control the flow of air in an HVAC heating or cooling system. In order to ...
A plug-in bus duct system or busway can have disconnect switches and other devices mounted on it, for example, to distribute power along a long building. Many forms of busway allow plug-in devices such as switches and motor starters to be easily moved; this provides flexibility for changes on an assembly line, for example. [4]