Gems Sensors Pressure Switches cover a wide range of applications from 2 to 6000 psi (40 mbar to 400 bar) in a variety of types including Vacuum, Differential, Specialty and General. With field adjustable or factory set options, these pressure switches are ideal for oil, liquid, air, gas, coolant and “water pressure” applications. These rugged and dependable pressure switches come in a variety of materials from stainless steel, brass, aluminum, zinc-plated steel and reinforced plastic. Wetted materials a diaphragm available in Buna N, Teflon® coated Kapton®, stainless steel, PTFE, EPDM or Viton® and a pressure port available in stainless steel, brass, zinc or aluminum