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A pendant light, sometimes called a drop or suspender, is a lone light fixture that hangs from the ceiling usually suspended by a cord, chain, or metal rod. [1] Pendant lights are often used in multiples, hung in a straight line over kitchen countertops and dinette sets or sometimes in bathrooms.
A trade show booth using pipe and drape. Pipe and drape is a style of freestanding panelling used to divide, hide, and/or decorate a space temporarily. The structure consists of aluminum or steel piping fixed or adjustable telescoping vertical uprights supported by a weighted steel base, and adjustable telescopic or fixed horizontals that provide a drape support frame with removable drape panels.
An air gap, as related to the plumbing trade, is the unobstructed vertical space between the water outlet and the flood level of a fixture. [1] Air gaps of appropriate design are legally required by water health and safety regulations in many countries. An air gap is the simplest form of a backflow prevention device.
England sets maximum spacing at 90 metres (300 ft). The only exception is for sewers with diameters larger than human heights. Those can have spacing up to 200 metres (660 ft). [10] Maximum spacing of 100 metres (330 ft) is used in Scotland. [11] The 120-metre (390 ft) requirement is used in Brazil, [12] and 150-metre (490 ft) in South Africa. [13]
A sewer pipe is normally at neutral air pressure compared to the surrounding atmosphere.When a column of waste water flows through a pipe, it compresses air ahead of it in the system, creating a positive pressure that must be released so it does not push back on the waste stream and downstream traps, slow drainage, and induce potential clogs.
Gooseneck vent with check valve being repainted. A gooseneck (or goose neck) is a 180° pipe fitting at the top of a vertical pipe that prevents entry of water. Common implementations of goosenecks are ventilator piping or ducting for bathroom and kitchen exhaust fans, ship holds, landfill methane vent pipes, or any other piping implementation exposed to the weather where water ingress would ...
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An advantage of this type of fitting is that the pipe it is connecting to does not need to be cut to a precise length; the slip joint can attach within a range of the end of the inserting pipe. Many slip fittings may be tightened or loosened by hand for easier access to residential drainpipe systems (for example, to clean out a trap or access a ...