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Vacuum and Pressure Handbook: Vacuum Accessories and Systems
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From Gast Group
Summary of Pressure Sequence The sequence of compressed air flow in a pneumatic system is shown again in Fig 28: * Air Compressor - outside air is compressed to a pressure higher than that of the atmosphere. * Air Line Conditioners - devices located at various points provide moisture removal, filtration, lubrication, etc. * Storage (optional)-compressed air generated by the compressor may be stored in a receiver tank for use on demand. * Pressure/Flow Controls - valves control the pressure reaching the actuator, hence the force it produces. Flow control valves determine actuator speeds. * Work Devices - the actual work effects are obtained by supplying air to actuators and other air-operated devices. At the end of the actuator's work cycle, the "used" air is returned to the atmosphere, either directly through a control valve or through devices designed to reduce exhaust noise or remove oil vapor. The Fig. 28 configuration shows how pneumatic power can be generated and tapped at will to provide a great variety of useful mechanical effects. Products & Services
Air compressor parts are used in air compressors and replaced due to wear and usage. This product area include air compressor motors, filters, pumps, valves, pressure regulators, breathers, and other accessories.
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Air motors are powered by compressed air. They operate at relatively high speeds in industrial and spark-prohibited applications.
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Learn more about Air Motors
Air compressors are machines that compress air to higher than atmospheric pressures for delivery to pneumatic or robotic tools, industrial equipment, or direct-use applications.
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Compressed air filters are used to remove water, oil, oil vapor, dirt, and other contaminants from a compressed air supply.
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Learn more about Compressed Air Filters
Air pressure regulators control pressure in air lines (usually adjustable) to remove fluctuations and maintain consistent pressure for pneumatic devices.
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Learn more about Air Pressure Regulators
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Topics of Interest
A pressure control valve is defined in ISO 5598 as a "valve whose function is to control pressure". In pneumatics, this usually means the reduction of the supply pressure produced by the compressor by...
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5.9.10 Speed Control Valves
Speed control valves are used to limit the stroking speed of an actuator by restricting the amount of air flow to or from the actuator. These small valves can be mounted...
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5.9.9 Quick Exhaust Valves
Quick exhaust valves are pressure-sensitive venting devices that are used with double-acting actuators in on off applications where positioners are not required. When...
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To keep you oriented as we discuss pressure, the basic concepts are treated in this sequence: generation, transmission, storage, and utilization of compressed air in a pneumatic system. This section...
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5.3.2 Pneumatic Actuator Design
The most commonly applied pneumatic actuator over the past 40 years has been the diaphragm actuator (Fig. 5.8). Most diaphragm actuators are designed for linear motion,...
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