Barksdale 9048-3 Pressure Actuated Switch 100-1500PSI

The Barksdale 9048-3 Pressure Actuated Switch is a sealed-piston, single-setpoint control device designed for robust pressure monitoring in industrial systems. The housed 9048-3 variant switches at 100–1500 psi and provides a single SPDT output for straightforward wiring of alarms, controllers, or control valves when system pressure crosses the setpoint. Constructed with a stainless-steel body and Buna-N seals, it resists corrosive environments while maintaining reliable actuation in demanding service. The switch features internal adjustment to dial in the desired actuation point within its 100–1500 psi range, and is part of Barksdale’s Series 9048 family, noted for long service life in industrial applications. The product carries a substantial proof pressure rating (up to 6000 psi for this class), enabling it to tolerate pressure spikes without false trips. Typical applications include hydraulic and pneumatic circuits, air compressors, boilers and burners, and other process-control systems that require a precise, mechanically actuated pressure switch. With its sealed-piston design and single-setpoint configuration, the 9048-3 offers a compact, rugged solution for reliable shutoff or signaling in demanding environments.