Hitachi Air Technology Group - Ideal Air System Design
Hitachi Air Technology Group is committed to providing cutting-edge air compressors ideal for the most demanding industrial environments. Our design engineers follow rigorous standards to create ideal air system design for compressed air systems that meets compressed air needs of diverse industries.
The following diagram illustrates an optimally installed Hitachi air compressor system with all the air compressor components essential to deliver contaminant free and reliable compressed air. Move your cursor over each component of the air compressor system shown below, to view a brief description of the component and its functioning.
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Constant Pressure Controller Constant pressure controllers are invaluable to a compressed air system. By creating capacitance, they work like a "firewall" to provide quality and constant pressure to the demand side of a compressed air system. Constant pressure controllers are also helpful in lowering leak load in a compressed air system, and pressure fluctuations in the air compressor. Constant Pressure Controllers are also commonly known as Demand Expanders, Flow Controllers, etc. |
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"Dry" Air Receiver
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Three Valve Bypass It is highly recommended to add a three valve bypass around the air treatment to prevent compressed air system from losing air pressure, when the air treatment requires maintenance. This enables the facility to bypass compressed air around the air treatment for a short period of time, in order to work on the air treatment without complete manufacturing curtailment. |
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Air Piping Compressed air piping is used to transport compressed air through the supply side (Compressor Room) of the compressed air system to the demand side (Point of Air Usage) of the compressed air system. |
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Air Dryers |
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Filters Filters are used in the air system to remove contaminates, such as oil, water vapor, particulates, taste, etc. Types of filters: Coalescing (Removes moisture), Particulate (Removes particles), Activated Charcoal (Removes taste) and Mist Eliminators (Low pressure drop coalescing filters) |
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"Wet" Air Receiver
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Master Control Signal Lines The Master Control Signal Lines support communication among numerous air compressors, and one common pressure reading through a single pressure transducer. Sensing the pressure downstream of air treatment (Dryers, Filters, etc.) ensures quicker response to the change in air demands. |
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Master Control Many compressed air systems consist of more than one air compressor. To accurately control such systems, a master control system enables communication among all air compressors from one local control panel with a common pressure reading. This ensures proper shut off and startup of air compressors to save energy for the end user. |
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Moisture Separator After air passes through the compressor, the moisture condenses, so it must be removed to improve efficiency and prevent damage to the production equipment downstream. Moisture separators efficiently remove the condensate from compressed air systems, with the help of high speed centrifugal air flow. |
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Drain Valve A drain valve is used to remove condensate that develops in the compressed air system. Drain valve technologies: Ball Valve, Float, Timed Solenoid, Electric No-Loss, and Pneumatic No-Loss. |
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Three Way Depressurization Valve
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Motorized Isolation Valve The Motorized Isolation Valve, or MIV, is used to protect the air compressor. When the air compressor times out (Auto Restart Mode), the MIV closes the discharge air line to prevent reverse migration of condensate into the air compressor and damage to its internal components. |
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Air Compressor |
