MPRD Medium Pressure Relief Device 206-140V-12 QUALITROL 206

Medium Pressure Relief Device (MPRD) is designed for over-pressure conditions on oil filled transformers, load tap changers, and other related electrical apparatus. Features Uniquely designed tip/side gasket that seals under repeated operations Up to 2 switches for alarm and control Integrated gas bleed system Compact protection of personnel and equipment Stainless steel shield mounted on top of device redirects flow of hot oil and gas away from personnel or critical parts on the transformer Mesh flow opening allows for the quick pressure relief, protecting your equipment while limiting the possibility of debris entering the device 100% Tested for life-long performance Every unit is tested and certified to meet operating standard prior to shipping, with test records kept on file When the pressure rises rapidly above the operating pressure, the unit will exhaust with a percussive “bang” Device positively reseals at no less than half its normal operating pressure The indicator and optional alarms will trip as the mechanism actuates Corrosion resistant materials and robust design provide dependable protection Mechanically fastened dual sealing gasket eliminates the potential of seal blowout and protects against contaminants such as dirt and moisture Flange, ring and valve are made from aluminum and painted with a thermosetting powder coat for long life Switches are protected by durable cast enclosures with IP66 rating Operating pressure is adjustable in three ranges (2.9 to 5.7 PSI, 5.8 to 8.6 PSI and 8.7 to 11.6 PSI)