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A pinch valve is a full bore or fully ported type of control valve which uses a pinching effect to obstruct fluid flow.
A pinchvalve is a full bore or fully ported type of control valve which uses a pinching effect to obstruct fluid flow. Pinchvalves employ an elastic...
leak-tight seal when shut. Ball valve Butterfly valve Control valve Diaphragm valve Gate valve Needle valvePinchvalve McGraw-Hill Dictionary of Scientific...
valve, globe valve, angle valve, pinchvalve, diaphragm valve Check valve: Allows flow only in a single direction Steam conditioning valve: Regulates the...
A relief valve or pressure relief valve (PRV) is a type of safety valve used to control or limit the pressure in a system; excessive pressure might otherwise...
A double check valve or double check assembly (DCA) is a backflow prevention device designed to protect water supplies from contamination. It is different...
A valve is a device or natural object that regulates, directs or controls the flow of a fluid (gases, liquids, fluidized solids, or slurries) by opening...
powders on–off control Needle valve for accurate flow control Pinchvalve, for slurry flow regulation and control Piston valve, for regulating fluids that...
A safety valve is a valve that acts as a fail-safe. An example of safety valve is a pressure relief valve (PRV), which automatically releases a substance...
(the flush valve seat) by water pressure. The user pushes a lever to flush the toilet, which lifts the flush valve from the valve seat. The valve then floats...
valve used, according to the hazard. Category 2 contamination may be prevented by a single check valve, but category 3 requires a double check valve (these...
long pipe. It was necessary to pull a hanging chain connected to a release valve located inside the cistern in order to flush the toilet. Modern toilets...
A gate valve, also known as a sluice valve, is a valve that opens by lifting a barrier (gate) out of the path of the fluid. Gate valves require very little...
Check valve (usually not a legally approved method of backflow prevention.) Chemigation valve (primarily used in agriculture) Double check valve assembly...
A pressure regulator is a valve that controls the pressure of a fluid to a desired value, using negative feedback from the controlled pressure. Regulators...
A needle valve is a type of valve with a small port and a threaded, needle-shaped plunger. It allows precise regulation of flow, although it is generally...
by turning a valve, or electronically. Electronic bidets are controlled with waterproof electrical switches rather than a manual valve. There are models...
A ballcock (also balltap or float valve) is a mechanism or machine for filling water tanks, such as those found in flush toilets, while avoiding overflow...
but gases can also be affected. This phenomenon commonly occurs when a valve closes suddenly at an end of a pipeline system and a pressure wave propagates...
A thermostatic mixing valve (TMV) is a valve that blends hot water with cold water to ensure constant, safe shower and bath outlet temperatures to prevent...
more complex systems than could be achieved with only individual pipes. Valves are specialized fittings that permit regulating the flow of fluid within...
not desired to go. They are commonly placed on a bibcock valve or toilet or urinal flush valve, in which application they can prevent hose or drainage...
pressure. Water-powered ejector pumps have a separate pump, float and check valve. The float controlling a backup pump is mounted in the sump pit above the...
or municipal water) is water supplied through a tap, a water dispenser valve. In many countries, tap water usually has the quality of drinking water...
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