TUFF-RAIL 3504-TR Tank Car Manway Gasket, GYLON Style 3504, 0.220 Inch Thick, 19.500 Inch Inside Diameter, 21.500 Inch Outside Diameter

  • Shipping Weight: 0.379 lbs
  • Style/Model: Style 3504-TR
  • Branding: Unbranded
  • Composition: PTFE with Aluminosilicate Microspheres
  • Gasket Type: Ring
  • Inside Diameter (Inch): 19.500
  • Inside Diameter (mm): 495.30
  • Material: GYLON Style 3504
  • Material Abbreviation: PTFE
  • Max Temperature (C): 260
  • Max Temperature (F): 500
  • Min Temperature (C): -268
  • Min Temperature (F): -450
  • Outside Diameter (inch): 21.500
  • Outside Diameter (mm): 546.10
  • Primary Dimensional Unit of Measure: Imperial
  • Primary Nominal Thickness: 11/50 in
  • Temperature Range (C): -268°C to 260°C
  • Temperature Range (F): -450°F to 500°F
  • Color: Blue
  • Thickness (inch): 0.220
  • Thickness (mm): 5.59

Extending the use of our patent pending molding technology, the 3504 TUFF-RAIL® gasket is the latest addition to our TUFF-RAIL® family of products. A blend of aluminosilicate and PTFE, the 3504 TUFF-RAIL® offers excellent compressibility and a wide range of chemical compatibility. Engineered with the same raised sealing areas, the 3504 TUFF-RAIL® has been proven to seal and reseal even in the most demanding manway installations.

  • Overview

Features and Benefits:

  • Engineered to a single size to fit the most common manways simplifying inventory (AAR-1, UTC-1, TRN-1)
  • Reusable with unlimited shelf life and high crush resistance - issues commonly associated with rubber gaskets 
  • Raised sealing ribs offer excellent creep resistance and long term bolt load retention - ideal for heavy vibration and thermal cycling.