Hosemart Pneumatic Air Regulator (AR Unit)


  • Pneumatic Air Regulator with Gauge and Metal Attachment
  • Thread Size: 1/4″ Inch BSP Female
  • Material: Mild Steel Aluminum Alloy Plastic Glass
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SKU: HM-AR Category:


Hosemart Pneumatic Air Regulator (AR Unit)

A Pneumatic Air Regulator, often referred to as an “AR Unit,” is a component commonly used in pneumatic systems to regulate the pressure of compressed air. Here’s an overview of its functions and features:

Pressure Regulation

The primary function of a pneumatic air regulator is to control the pressure of compressed air in a pneumatic system. It regulates the air pressure to a desired level, ensuring that downstream pneumatic devices operate within their specified pressure ranges.

Port Size

Pneumatic air regulators come in various port sizes, typically ranging from 1/4 inch to 1 inch or more. The port size refers to the diameter of the inlet and outlet ports of the regulator. The port size should match the size of the pneumatic system’s tubing and fittings.

Pressure Adjustment

The regulator features an adjustment knob, dial, or screw that allows users to set the desired output pressure. By turning the adjustment mechanism, users can increase or decrease the pressure as needed for their specific application.

Pressure Gauge

Many pneumatic air regulators include a pressure gauge that displays the current pressure readings of the compressed air. This allows operators to monitor the system’s pressure levels and make adjustments as necessary.

Modular Design

Pneumatic air regulators often have a modular design, allowing for easy installation and maintenance. They can be installed inline with pneumatic tubing or mounted to a bracket on the equipment or system.

Materials and Construction

Pneumatic air regulators are typically constructed from durable materials such as aluminum, brass, or stainless steel. These materials offer resistance to corrosion and ensure the longevity of the regulator in various operating environments.


Pneumatic air regulators are used in a wide range of pneumatic applications across industries such as manufacturing, automotive, aerospace, pharmaceuticals, and more. They are essential components of pneumatic systems that rely on precise pressure control for efficient operation.

In summary, a Pneumatic Air Regulator (AR Unit) is a critical component in pneumatic systems, providing precise pressure regulation to ensure the proper operation and longevity of downstream pneumatic equipment and tools. It allows users to control and maintain consistent air pressure levels for optimal performance in various pneumatic applications.

Additional information

Thread Size

1/2, 1/4


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