Type B Polypak® Rod/Piston U-Seal 3.500" x 3.875" x 0.281" - AU/NBR

Product Details : Type B Polypak® Rod/Piston U-Seal 3.500" x 3.875" x 0.281" - AU/NBR

• Part No: 18703500-281B/4615
• Product Category: Symmetrical Seals
• Product Type: Rod/Piston U-Seal
• Profile: Type B Polypak®
• Material(s): Polyurethane/Nitrile
• Material Code: AU/NBR
• Temperature Range: -65°F to +200°F (-54°C to +93°C)
• Pressure Range: ≤ 5000 PSI (≤ 345 Bar)
• Surface Speed: < 1.6 ft/s (0.5 m/s)
• System Of Measurement: Inch
• Dimensions: 3.500" x 3.875" x 0.281"
• Nominal I.D. (d): 3.500"
• Nominal O.D. (D): 3.875"
• Nominal Height (H): 0.281"
• Nominal Cross Section (S): 0.187"
• Details:
  •Type B Polypak® is a squeeze seal with a symmetrical profile for use in rod or piston applications
  •This seal should not be installed back-to-back in bi-directional pressure applications as a pressure trap between the seals may occur

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