1/32 Form 216www.sorinc.com 913-888-2630 Pressure and Vacuum Switches for Process Applications Form 216 SOR ? Pressure Switches are rugged ? eld-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 ? exible diaphragm and a static o-ring. A wide selection of wetted parts materials for m