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AIR ADJUSTING VALVE - Motor Guard

Part #: MCAAV4059

The Motor Guard MCAAV4059 Air Adjusting Valve is engineered for professional technicians and mechanics who require precise control over air pressure for their automotive and industrial tools. This high-quality valve is designed to deliver consistent, regulated air to paint spray guns and other pneumatic equipment, ensuring optimal performance and superior results in demanding work environments. Its robust construction and intuitive design make it an essential component for critical air applications.

Key Features

  • Precise Air Pressure Control: Features a finely engineered tapered needle valve that provides smooth, infinite adjustment of air pressure from fully closed to fully open, allowing for meticulous control over tool operation.
  • Integrated Dual-Scale Gauge: Equipped with an easy-to-read pressure gauge displaying both PSI and bar measurements, protected by a solvent-proof glass lens for long-lasting clarity and accurate readings.
  • Durable, Professional-Grade Construction: Built with high-quality materials to withstand the rigorous conditions of professional use, including exposure to solvents and chemicals commonly found in paint shops and industrial settings.
  • Ergonomic Adjustment Knob: An oversized, knurled adjustment knob facilitates easy and precise adjustments, even when wearing work gloves.
  • HVLP Approved: Specifically designed for compatibility and optimal performance with HVLP spray guns, crucial for achieving desired finishes.
  • Flexible Connection: Features a 1/4" NPS Male inlet and a 1/4" NPS Female Swivel outlet, allowing for flexible positioning and easy integration with various air tools and setups.

Applications

The Motor Guard MCAAV4059 Air Adjusting Valve is ideal for a range of professional applications where accurate air pressure regulation is paramount. It is expertly suited for automotive refinishing, allowing painters to fine-tune air pressure for optimal spray patterns and atomization, ensuring even coats and minimizing overspray. Beyond painting, this valve provides essential control for various pneumatic tools, including sanders, grinders, and impact wrenches, ensuring they operate at their ideal pressure to prevent damage and enhance efficiency. Its compact design also makes it suitable for direct mounting at the tool or spray gun for immediate pressure management.

Specifications

  • Manufacturer: Motor Guard
  • Model Number: MCAAV4059
  • Inlet Port: 1/4" NPS (Male)
  • Outlet Port: 1/4" NPS (Female Swivel)
  • Maximum Inlet Pressure: 160 PSI
  • Adjustable Outlet Pressure Range: 0-160 PSI
  • Temperature Range: 40°F to 180°F (4°C to 82°C)
Only 6 left in stock - order soon

$45.02

Free shipping on orders over $250
Lower 48 states and DC. Excludes freight and oversize items.
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This product was added to our catalog on Sunday 31 May, 2026.

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