103-2-A

The ARO 103-2-A is a precise, high-performance miniature limit valve manufactured by ARO, an Ingersoll Rand brand, designed for use in compact pneumatic control circuits. Pneumatic Limit Valve (Circuitry Valve)
Operation 3-way, Normally Closed (NC)
Actuation Roller Lever Mechanism
Body Material Glass-reinforced polyester
Port Size 5/32-inch push-on ports
Pressure Range 0–150 PSI (0–10.3 bar)
Design Fast-response ball poppet design

Applications
This valve functions effectively as a pneumatic sensor or limit switch within automated systems. It is commonly used to: Sense the position of a moving machine part (e.g., end-of-stroke detection for cylinders).
Trigger subsequent operations in a sequential pneumatic circuit. Provide robust and corrosion-resistant control in various industrial environments.