Campbell Brady Die Cast Zinc 1/4 in. Air Volume Control

The Campbell Brady Die Cast Zinc 1/4 in. Air Volume Control is your go-to solution for precise, reliable airflow management in compact pneumatic setups. Built under the Campbell brand with the Brady sub-brand, this unit combines rugged die-cast zinc construction with lead-free materials for dependable operation in busy shop environments.

Key benefits and what makes it stand out

• 1/4 inch connection size—designed to integrate smoothly with standard air lines and fittings, making it a versatile inline flow-control option for a wide range of applications.
• 4 inch length—a compact form factor that fits neatly in tight spaces without crowding your tubing layout.
• Die-cast zinc body—robust construction that resists wear and withstands daily rigors in workshops, garages, and automation setups.
• Lead-free construction—a safer, compliant choice for projects with strict material requirements.
• Maximum pressure of 100 psi and maximum temperature of 140°F—tailored for common shop air systems and typical pneumatic tooling workloads, delivering dependable performance without overtaxing components.
• Air volume control functionality—adjust airflow smoothly to control actuator speed, cycles, and tool performance, reducing stall, shock, and noise while protecting sensitive components.
• Trusted Campbell quality with Brady sub-brand heritage—designed to pair seamlessly with other Campbell/Brady fittings and controls for a cohesive pneumatic setup.

Who this is for

• Automotive, woodworking, and manufacturing professionals needing precise speed control for cylinders and actuators.
• DIY enthusiasts setting up compact pneumatic rigs, paint stations, or automation projects where reliable airflow regulation matters.
• Shop technicians seeking a durable, lead-free component that stands up to frequent use and modest temperature ranges.

Use cases and practical applications

• Inline flow control for pneumatic cylinders in automation lines, ensuring smooth start/stop behavior and consistent retraction speeds.
• Regulating air delivery to spray guns or sanding/grinding tools where controlled airflow improves finish quality and reduces overspray or tool chatter.
• Integration in small-scale test rigs or educational setups to demonstrate the impact of adjustable air volume on actuator performance.
• General-purpose air-line regulation in confined spaces where a 4" length keeps tubing layouts clean and efficient.

Tips for installation and optimal use

• Place the Air Volume Control inline with the supply line and ensure the 1/4" connection matches your fittings. Tighten securely to prevent leaks.
• Start with a conservative adjustment and gradually increase flow to observe actuator response. Small changes can produce meaningful differences in speed and control.
• Keep the air supply clean and dry. Use appropriate filtration and moisture removal to protect the valve internals and ensure consistent operation.
• Periodically inspect fittings and the body for signs of wear or corrosion in demanding environments, and replace if necessary to maintain performance.

Incorporating the Campbell Brady Die Cast Zinc 1/4 in. Air Volume Control into your pneumatic system provides precise, reliable airflow management with a durable build and lead-free construction. If you’re optimizing actuator performance, reducing cycle variability, or designing a compact, efficient air line, this unit delivers the stability and compatibility you need for everyday reliability.