Hallite 621 Rod Seal
RTUB31-3.50-50 94A Urethane U-Seal | 3 1/2 in ID 5/16 in CS
Top-of-the-range twin lip rod seal designed to provide a dry sealing solution in heavy-duty applications. The seal’s shell is molded in Hythane® 181, Hallite’s high-performance polyurethane, for easy installation and excellent low temperature performance. Featuring high pressure and high shock load capability, this seal utilizes the same twin lip design found in Hercules®, Sealing Products’ RTU style. With the main body of the seal molded from high performance polyurethane, this seal, incorporates a dynamically designed nitrile energizer and a tough polyacetal anti-extrusion ring. RTUB is capable of, pressures up to 10,000 psi in approved applications.
94A Durometer | Urethane Material | 3 1/2 in Nominal Inner Diameter | 5/16 in Cross Section | U-Seal
Features
- General purpose rod seal
- Robust design
- Excellent wear resistance
- Increase seal stability
- Performs well over wide temperature range and is extremely effective in low temperatures
- Primary lip protection
- Easy to install
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Item Specifications
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Polyacetal
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5/16 Inch
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94A
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Rubber
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0.55 Inch
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+0.010, +0.000
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4.125 Inch
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±0.0043
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Loaded
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Hallite
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Urethane
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Hythane® 181
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0.040 Inch @ 2400 psi
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0.032 Inch @ 3750 psi
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024 Inch @ 6000 psi
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230 °F
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-50 °F
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1/2 Inch
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3 1/2 Inch
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4 1/8 Inch
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0 to 6000 psi
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10,000 psi
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3.5 Inch
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-0.0014, -0.0048
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5 Years
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3 ft/sec
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RTUB Super-Duty Rod
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-50 to +230 F
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3.501 Inch
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+0.004, +0.000
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inch
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0.08 lbs per EA
