The Quincy Compressor 23543-002 is a high-quality, industrial-grade air pressure regulator designed for precise control of downstream air pressure in compressed air systems. This specific model is a genuine Quincy OEM (Original Equipment Manufacturer) part, ensuring perfect compatibility and reliable performance with Quincy compressors and air systems.
Primary Function:
Its core purpose is to reduce and regulate the main air line pressure (which can be as high as the compressor’s maximum output) to a lower, stable, and safe pressure suitable for powering specific air tools, spray guns, pneumatic actuators, and other downstream equipment.
Key Features & Benefits:
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Precise Pressure Control:Â Allows users to accurately dial in the required pressure for a specific application, ensuring optimal tool performance and finish quality.
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High Inlet Pressure Tolerance:Â The “P MAX 250 PSI” rating indicates it can handle an inlet pressure of up to 250 PSI, making it suitable for use with a wide range of industrial compressors.
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Reliable Regulation:Â Maintains a consistent outlet pressure even as inlet pressure fluctuates or air demand varies, preventing tool damage and ensuring consistent operation.
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Integrated Pressure Gauge:Â This regulator includes a gauge that displays the regulated, downstream pressure, allowing for easy and accurate adjustment.
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Filtration Capability (Typical in this style):Â Many regulators of this type, including this Quincy model, often include a filter bowl to remove water and particulate contaminants from the air line, protecting valuable tools and equipment.
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Automatic Drain (Possible Feature):Â Some versions may include an automatic drain for the filter bowl, which helps to eject accumulated condensate without manual intervention.
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OEM Quality:Â As a genuine Quincy part, it is engineered to meet the brand’s stringent standards for durability and performance, ensuring a long service life in demanding environments.
Technical Specifications:
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Part Number:Â 23543-002
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Manufacturer:Â Quincy Compressor
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Product Type:Â Air Pressure Regulator with Filter & Gauge (FRL Unit – Filter, Regulator, Lubricator, though lubricator may be separate or not included).
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Maximum Inlet Pressure (P MAX):Â 250 PSI (Pounds per Square Inch)
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Common Outlet Pressure Range:Â Typically adjustable from 0 to 150 PSI or similar (refer to the specific product manual for exact range).
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Port Sizes: Common sizes for this type of regulator are 1/4″ NPT (National Pipe Taper) or 3/8″ NPT. It is critical to verify the specific port sizes for this part number.
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Mounting:Â Typically bracket-mounted for stable installation on a wall or machine.
Common Applications:
This regulator is essential in any shop or industrial setting using compressed air, including:
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Automotive and Repair Shops
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Woodworking and Cabinet Shops
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Manufacturing and Assembly Lines
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Pneumatic Control Systems
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Spray Booths and Finishing Stations







