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Texte wiki de la nouvelle page, après la modification (new_wikitext) | '<br>An angle valve is a plastic-sealed, pneumatically-operated valve with a straight-arm piston acting as its seat. Here is more on [https://www.shunchengvalve.com/bibcock-ball-valve/ www.shunchengvalve.com] have a look at our own webpage. The seat is located at an angle so that it can give the most possible stream pressure when fully open. This type of valve has a variety of standard and adaptable seat sizes as well as different sealing pressures. The materials used in angle valve seats include brass and steel pipe fittings and hydraulic hose assemblies.<br><br><br>Brass compression fittings are often used in angle valve systems to increase their efficiency. They are available in various thicknesses and can be easily molded into various useful designs. When compressed, they expand into solid forms that ensure they can resist leakage through seals. When fully expanded, they yield to strain without breaking. Compression fittings are sometimes called "stopping blocks" because, in some cases, they allow the flow of a specific liquid or gas to be stopped.<br><br><br>Control of angle valve systems requires two items: a source of water and a pressure regulating device. The water source can either be a direct connection to the valve or through a secondary control terminal. The pressure regulating device is usually a diaphragm held in position by a threaded ring. In some systems, this element is mounted externally. In other systems, the diaphragm is internally controlled by a variable speed motor.<br><br><br>Toilet and lavatory fixtures are designed to permit high pressure to enter a valve seat while preventing low pressure from coming into the valve. This is usually achieved by seat placement. For toilets, this seat is placed higher than the floor and below the plumbing drain. For lavatories, it is placed above the normal floor elevation. An angle valve fitted to these fixtures allows the high pressure to come into the valve and prevent the low pressure from entering the toilet.<br><br><br>Diagonal angle valve systems have been found to be particularly useful in irrigation systems. These use a rotating screw-screw arrangement to maintain the correct water level. A larger diameter than usual ball valves are used; these have a large seat and a tapered, slightly curved tapered end. It is easy to install these valves because they can be screwed into a hole drilled in the ground vertically. They provide excellent control over the flow of water and because they do not require a seat of the same size, they can be installed in places where traditional ball valves cannot be installed.<br><br><br>Ball valves can be used to regulate water pressure in many toilets. Some angle valves also feature a seat that can be slid up and down. Although many machines require only one seat to operate, more expensive toilet-structure machines may feature two or more seats to provide for more accurate monitoring of water levels. They are often used to control both the flow of water and the exit of water from flushable toilets, especially those that feature a timed shut off feature.<br><br><br>A third type of angle-seat piston valve has a seat that extends upwards beyond the fully open end. Its function is not to act as a stop switch. Rather, it has a tapered, curved top and a tapered bottom. As water is flushed, the curve of the top extends down toward the base so that it catches the water as it flows through the bowl. The bottom of the angle valve features two curves similar to the former, but it also curves downward toward the base so that the valve cannot be reversed.<br><br><br>A fourth type of angle valve, called an angle stop, is used to regulate the flow of a public toilet in a way similar to the angle valve. An angle stop can be used to either restrict or permit water flow. In the restrictive position, water will halt before reaching the seat. In the permitting position, water will continue to flow until the seat or the flapper is closed. Because many public toilets do not have an automatic shut-off feature, an angle stop can provide the most effective safety feature in a public toilet, particularly for small children.<br>' |
