This field adjustable, compact pressure switch is intended for low- to mid-range process applications. The Tri-Clamp® compatible, polished, process connection makes this switch ideal for food, beverage and other sanitary services. Set point stability and vibration resistance are a function of the Nega-Rate® Belleville disc spring. This unit features 316 stainless steel construction, an explosion-proof/hermetically sealed electrical assembly, 18" standard free leads and SPDT or DPDT electrical forms and a wetted material surface polish of 9 - 11 micro inch Ra (0.23 - 0.28 micron Ra).†