HOFFMAN APCDSS6 Hoffman Pressure Compensation Device Cooling Accessories Gray 58 mm dia x 31 mm D

Pressure compensator features air permeability of 42 cubic feet/hour (1,200 liters/hour) at a pressure difference of minimum 70 mbar. Easy installation by drilling one 1.60 inch (41 mm) diameter hole. Sealing gasket (Nitrile Buna-N Rubber). Type 316L stainless steel. Semipermeable membrane inside the plug to filter moisture and dust. Mounting thread M40 with union nut. Machined type 316L stainless steel finish. Pressure differentials in a tightly sealed enclosure result from heat generated by electrical and electronic equipment within the enclosure and fluctuations of outside ambient temperature.