¡El 6900GZEM Series is our most popular, hazardous area pressure switch, DPDT with a stainless steel port for corrosion resistance. ¡El series is UL/CSA explosion proof, Class I, Groups A, B, C and D, and Class II Groups E, F and G certified. NEMA 4X and IP66 rating is optimum for wet conditions. It is designed with high vibration and shock resistance utilizing Dual Snap® disc spring technology ensuring high accuracy and repeatability. It comes with high over-pressure capabilities and still relatively compact in size to conveniently mount on panels. It meets the demand for all applications commercial, industrial and otherwise. Applications include: • Oil & Gas • Power Generation • Fluid Management • Chemical Refining and Processing • Manufacturing Process • Utilities, Water Treatment and Waste • Safety Systems Environmental Approvals IP65, IP66, NEMA 4, NEMA 4X, NEMA 7, NEMA 9, NEMA 13, NACE, SIL, RoHS Industry Industrial Instrumentation Pressure Switch Environment Hazardous Certification Agency Approvals UL, CSA, CE, CRN, CCC, DUAL SEAL Operating Temperature Range -40° to 186 °F Process Connection Fitting Size Female 1/2" NPT Process Connection Material Stainless Steel Housing Enclosure Aluminum Electrical Connection Male 1/2" NPT Electrical Switch Type DPDT Voltage Electrical Rating VAC 0 to 250 VAC Amperes Electrical Rating 0.5 to 11 A Junction box app 141-18, 141-19, 141-20, 141-28 Fixed or Adjustable Set Point Adjustable Presetting Factory Set, Not Factory Set Tagging Mylar, Stainless Steel Accessories Manifold, Mounting Kit Increasing Pressure Range 3 to 20 PSIG, 9 to 75 PSIG, 18 to 150 PSIG, 45 to 375 PSIG, 300 to 1000 PSIG, 700 to 2500 PSIG Decreasing Pressure Range 1 to 18 PSIG, 15 to 345 PSIG, 225 to 925 PSIG, 3 to 69 PSIG, 520 to 2320 PSIG, 6 to 138 PSIG Pressure Type Gage Media Oil Based, Non-Oil Based Increasing Pressure Ranges 3 – 180 PSI, 180.01 – 3400 PSI Decreasing Pressure Ranges 0 – 1.15 PSI, 1.16 – 173 PSI, 173.01 – 3180 PSI Maximum System Pressure 500, 1500, 2000, 3000 Maximum Proof Pressure 750, 2000, 3000, 4500 Process Connection Seal O-Ring Sealed Diaphragm Diaphragm Stainless Steel O-ring Viton