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Washer (hardware) A washer is a thin plate (typically disk-shaped, but sometimes square) with a hole (typically in the middle) that is normally used to distribute the load of a threaded fastener, such as a bolt or nut. Other uses are as a spacer, spring (Belleville washer, wave washer), wear pad, preload indicating device, locking device, and ...
A hydrostatic test is a way in which pressure vessels such as pipelines, plumbing, gas cylinders, boilers and fuel tanks can be tested for strength and leaks. The test involves filling the vessel or pipe system with a liquid, usually water, which may be dyed to aid in visual leak detection, and pressurization of the vessel to the specified test ...
Trap (plumbing) Water seal in drain pipe under a sink. Water enters at right, fills the trap, and continues left. Inverted siphoning occurs below the line "A". In plumbing, a trap is a U-shaped portion of pipe designed to trap liquid or gas to prevent unwanted flow; most notably sewer gases from entering buildings while allowing waste materials ...
Placing leak detectors on the washing machine, water heater, refrigerator and dishwasher can make a huge difference. But it's still important to keep an eye out for potential trouble.
Consistent Temperature Maintenance: Keep the refrigerator temperature between 35°F (1.6°C) and 38°F (3.3°C) and the freezer temperature at 0°F (-17.8°C) to ensure food safety and extend the ...
A trap primer automatically injects water into a trap, maintaining a water seal to keep sewer gas out of buildings. It must be installed in an easily accessible place for adjustment, replacement, and repair. A trap primer, a specialized valve, is usually connected to a clean-water supply in addition to a DWV system. [21]
Water damage. Interior of part of a damaged home in New Orleans after Hurricane Katrina. Family photographs damaged by flooding. A smaller and more minor water spot caused by rainwater leaking through a roof. Water damage describes various possible losses caused by water intruding where it will enable attack of a material or system by ...
Economical globe valves or stop valves with a similar mechanism used in plumbing often have a rubber washer at the bottom of the disc for the seating surface, so that rubber can be compressed against the seat to form a leak-tight seal when shut. Electrically automated 3/4" flanged globe valve