Pressure Switch

Pressure Switch

SOR pressure switches are rugged field-mounted instruments. The pressure sensing element of the SOR pressure switch is a force-balance, piston-actuated assembly. The sensing element is sealed by a flexible diaphragm and a static o-ring. A wide selection of wetted parts materials for media compatibility and containment are available. A metal diaphragm may be welded to the pressure port for certain applications, thereby eliminating the o-ring.

SOR Differential Pressure Swtich

Series 20 SOR’s Series 20 differential pressure switch is essentially a Static “O” Ring type pressure sensor with a bias pressure. The housing is pressurized by clean, dry air or inert gas instead of atmospheric pressure. This reference (bias pressure) opposes the process pressure. Housings are … [Read more...]

SOR Opposed Piston Differential Pressure Switch

The SOR opposed piston differential pressure switch is essentially two Static “O” Ring Switch type pressure sensors connected at opposite ends of a common piston shaft. Housings are weathertight or explosion proof. Switching elements are SPDT or DPDT. Application Information Basic models with … [Read more...]

SOR Switches For Process Applications

Pressure and Vacuum Switches For Process Applications SOR® Pressure Switches are rugged field-mounted instruments. The pressure sensing element of the SOR  switch is a force-balance, piston-actuated assembly. The sensing element is sealed by a flexible diaphragm and a static o-ring. A … [Read more...]

SOR Adjustable Dead Band Pressure Switch

The SOR adjustable dead band pressure switch should be used when there is a requirement for an adjustable and wide dead band between the increasing and decreasing set points. V1 For Non-Hazardous Locations Weathertight for non-hazardous service NEMA 4, 4X & I P65 Electrical conduit … [Read more...]

SOR Dual Hi-Lo Pressure Switch

The SOR Dual Hi-Lo pressure switche is a  rugged, field-mounted instrument. The pressure sensing assemblies are conventional Static “O” Ring type. The main difference is that two sensing assemblies share a common process pressure port, housing and electrical conduit connection. Two discrete sensing … [Read more...]