Barksdale's Housed Diaphragm Differential Pressure Switches offer superior accuracy in a robust package, making them an ideal solution to your industrial pressure control needs. These switches are ideal applications requiring water-tight, NEMA 4 housings, a covered terminal strip and tamper-proof external adjustment. (Unit can be factory set upon request.) With pressure ranges up to 150 psi, these housed diaphragm differential pressure switches are suitable for use in either positive pressure or vacuum applications. Available in single-circuit and dual-circuit models. These switches feature a durable, die-cast aluminum enclosure. For applications requiring a highly accurate switch in a durable package, Barksdale's Housed Diaphragm Differential Pressure Switches are the ideal choice.