RDA ROD SEAL Double-Acting
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TECHNICAL DETAILS The Hallite RDA is a double-acting, o-ring energized, low-friction rod seal that performs well in both high-and-low pressure systems. High-performance Armorlene® materials, like HLX, provide outstanding wear and extrusion-resistance properties as well as large range of temperature and media compatibility. The standard RDA seal face includes pressure notches, which makes the seal very responsive to changes in pressure or direction of travel. Hallite’s RDA seal has been used successfully for years in machine tool, injection molding, and many other industrial applications in both single- and double-acting systems. This design also fits standard ISO 7425-2 grooves and is offered in a wide range of metric and inch options. The Hallite RDA, with proper guidance (see Hallite Bearings section), is an excellent long-lasting sealing solution. This seal is available in a variety of Hallite’s high performance Armorlene® and Hythane® materials to suit a wide range of demanding applications. • Excellent in high-speed applications • Compact design to save metal spacing • High service temperature, long wear, and high extrusion resistance • Low breakout friction and elimination of stick-slip action Part Number Structure RDAMR00700NHLX _ M UNIT OF MEASUREMENT M = Metric E = Inch Refer to Installation Recommendations and use designator for desired application Metric = mm X 10 Inch = inches X 1000 ENERGIZER MATERIAL PTFE MATERIAL SPECIAL FEATURE Refer to Energizer Table for desired energizer material Refer to Material Table for desired PTFE (face) material Blank = Std profile (with notches) X = No Notches Notches not offered with groove widths (L1) of 2.2mm (0.087in) or 3.2mm (0.126in)

Maximum Speed Temperature Range* Maximum Dynamic Pressure** *Dependent upon energizer used (NBR, FKM, etc.). **For pressures above 400 bar (5800 psi), contact Hallite Engineering. OPERATING CONDITIONS Data given are maximum values and can apply depending on specific application. Maximum ratings of temperature, pressure, or operating speeds are dependent on fluid medium, surface, gap value, and other variables such as dynamic or static service. Maximum values are not intended for use together at the same time, e.g. max temperature and max pressure. Please contact your Hallite technical...

TEMPERATURE RANGE°C TEMPERATURE RANGE°F Special Bronze Compound ARMORLENE® HLA • Excellent in all hydraulic fluids • Excellent wear resistance • Excellent low-friction properties • Good extrusion resistance Special Mineral Compound ARMORLENE® 702 • Excellent in lubricating and non-lubricating hydraulic fluids • Good low-friction properties • Excellent extrusion resistance • Good chemical resistance Glass Molybdenum Disulfide ARMORLENE® 706 • Excellent in lubricating and non-lubricating hydraulic fluids • Excellent extrusion resistance • Good chemical resistance • Good dielectrical...

Applications with maximum radial clearance that are using nylon, phenolic, or PTFE bearings must ensure proper clearance in accordance with the bearing recommendations to avoid metal-to-metal contact. Please refer to Hallite Type 87, Type 506, and Type 533 Specification Sheets for this information. INSTALLATION RECOMMENDATIONS GROOVE WIDTH GROOVE SECTION DIAMETER RANGE Standard Duty Application - R Light Duty Application - L Heavy Duty Application - H O-RING CROSS SECTION GROOVE DIAMETER At pressure >400 bar use diameter tolerance f8/H8. *Radial Clearance G max. = maximum permissible gap...

PART NUMBER RANGE (METRIC)* PART NUMBER PART NUMBER

RDA PART NUMBER RANGE (METRIC)* PART NUMBER PART NUMBER

PART NUMBER RANGE (METRIC)* PART NUMBER PART NUMBER

RDA PART NUMBER RANGE (METRIC)* PART NUMBER RANGE (INCH)* PART NUMBER PART NUMBER *Please contact Hallite for custom sizes, material selection, or seal design.

PART NUMBER RANGE (INCH)* PART NUMBER PART NUMBER

RDA PART NUMBER RANGE (INCH)* PART NUMBER *Please contact Hallite for custom sizes, material selection, or seal design.