Dichtomatik PP50005250 SQB Symmetrical Seal Polyurethane 92 Duro With NBR 70 O-Ring Beveled Loaded U-Cup Inch

NuPac U-Cup Seal, Loaded Standard Lip, 5-1/4 in Inside Dia, 6-1/4 in Outside Dia, 90/70 Durometer, 1/2 in Width, U-Shape Cross Section, -40 to 212 deg F, Polyurethane/NBR, ImportThe NuPac is a precision molded seal combining a U-cup with an O-ring. Under zero and low pressure, the O-ring pressurizes the lips of the U-cup allowing it to seal. As system pressure increases, the O-ring is energized and forces the lips outward, changing its behavior from a squeeze type seal to a traditional lip seal.