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The Hallite 775 is a compact seal for light to medium duty hydraulic cylinders. It is a double acting piston seal with single acting capabilities. This makes it an excellent choice for double acting applications where minimal dynamic leakage is required.The Hallite 775 is manufactured for two housing standards; to fit standard O-ring grooves and for the O-ring and two back-up grooves. It comprises a tough elastometric face that is pre-loadedby a rectangular crosssection expander.The Hallite 775 seal can be used on SG iron pistons or on pistons with adequate remote bearing (see Hallite 506 or 533 bearings).The standard material is suitable for hydraulic mineral oil applications.For full details and availability please contact your local Hallite Sales office.