Tank Car Manway Gaskets

The molded TUFF RAIL® 3504 tank car manway gasket is a blend of aluminosilicate and PTFE, offering excellent compressibility and a wide range of chemical compatibility. Engineered with raised sealing areas, the TUFF RAIL®3504 has been proven to seal and reseal even in the most demanding manway installations.

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.