Air Pressure Regulator-Types and uses

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The purpose of an air pressure regulator is to control air pressure in whichever device air flows through. In certain systems, pressure can not to be too high or too low; it has to be at a standard level, the pressure regulator works in this capacity to regulate the flow of air. An air pressure regulator comes equipped with a device known as a gauge attached, which shows air pressure in PSI (pounds of air pressure per square inch). With an air pressure regulator, it is not advisable to use it at a pressure level which is higher than that which is recommended as this will result in excess torque. It will also waste the compressed air. While on the other hand, if it is operated below this standard pressure, machines can fail to perform adequately. Air pressure used in machines or other equipment has to maintain an adequate level. An air pressure regulator is a really simple tool; it uses both a pin and a spring which acts in the capacity of a valve. While the diaphragm is pushed in one direction by a spring, this action opens a valve seat so that air can rush through. As air pressure is built up on one side of the diaphragm, the spring is pushed back, closing the valve. The equalizing air pressure is set by spring tension. An air pressure regulator has three elements to it; these are restricting, loading and measuring elements. The restricting element works in restricting flow of air. The loading element acts as a backup to the restricting element and uses a force to assist in this procedure, while a measuring element helps to equalize the flow of air. The pressure regulator is used for a reduction in water pressure, as a high pressure in the water pipes can cause grave damage; an air pressure regulator prevents this by making sure the water runs at a standard rate. It is used in cutting and welding by ensuring that gas is at an acceptable level. Some other applications which use an air pressure regulator are: propane gas, air tanks and also mining. The air pressure regulator comes in different types. These types are listed below. Unbalanced poppet, non-pilot operated – for this type supply pressure enters a regulator and circulates a seated poppet, thus blocking air flow. Unbalanced poppet, non-pilot operated with diaphragm chamber –This one separates the diaphragm from the main flow of air in the diaphragm chamber to assist in reducing abrasive air effect on the diaphragm. Balanced poppet, non-pilot operated, with diaphragm chamber - this regulator is constructed similarly to the previous one, only difference being that it is equipped for a greater flow. Also, the poppet is pressure balanced in order to have good stability. Remote controlled, pilot operated, balanced poppet – This one, as its name suggests, is remote controlled and has the ability to be mounted in any location. Internal, pilot-operated, balanced poppet – This particular regulator can also produce a precision-regulator by using a pilot operated principle to achieve it.

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