Hallite 621 Rod Seal
MRTUB-90X105X13 94A Urethane Rod U-Seal | 90 MM ID
Our premium single-acting polyurethane rod seal incorporates an NBR energizer to seal at low pressures. The twin lip design provides stability and friction-reducing lube retention for dry rod sealing, and the included hard acetal backup ring resists extrusion. MRTUB is capable of pressures up to 10,000 psi in approved applications. E= European Urethane.
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.
The secondary sealing lip located behind the primary sealing lip improves stability of the seal in the gland. The unique profile of the NBR energizer ensures the primary sealing lips maintain contact under low or no pressure situations while ensuring proper sealing at higher pressures. The seal also incorporates an acetyl anti-extrusion ring to withstand side loads and extreme pressure peaks even with the extrusion gaps.
94A Durometer | Urethane Material | 90 MM Nominal Inner Diameter | Rod U-Seal
Features
- Excellent low temperature performance
- Easy installation
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Item Specifications
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Polyacetal
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Rod
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94A
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Rubber
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14 MM
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+0.25, +0.00
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105 MM
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±0.11
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Loaded
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Hallite
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94A Urethane + Rubber Energizer + Polyacetal Anti-Extrusion Ring
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Urethane
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230 °F
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-50 °F
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13 MM
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90 MM
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105 MM
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0 to 6,000 psi
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0 to 6000 psi
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90 MM
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-0.036, -0.123
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5 Years
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3 ft/sec
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MRTUB
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-50 to +230 F
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metric
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0.07 lbs per EA
