Ashcroft Type B700 explosion-proof pressure switches can be specifically configured for harsh pressure media and demanding operating environments. Enclosed in a NEMA 7/9 - IP66 rated housing, Type B700 pressure switches can be used in Class 1, Division 1&2 and Class 2, Division 1&2 hazardous locations. Each pressure switch can be configured with a variety of diaphragm materials (including Monel) or with external diaphragm seals for especially caustic media.