The hazardous locations 646DCEM Series is a rugged, heavy duty differential pressure switch with DPDT. Its welded stainless steel port and diaphragm is ideal for corrosion and leakage resistance along with wet conditions. Similar to the 604 Series in design, the 646DCEM Series is UL/CSA explosion proof, Class I, Groups A, B, C and D, and Class II Groups E, F and G certified. It comes with high vibration and shock resistance utilizing Dual Snap® disc spring technology. Applications include:
• Oil & Gas
• Power Generation
• Fluid Management
• Chemical Refining and Processing
• Manufacturing Process
• Utilities, Water Treatment and Waste
• Safety Systems