The Oseco HCL-RC or Hydrochloric Acid Railcar Disc is typically used in rubber lined railroad tank cars.  As it's name suggests, it is an excellent choice for use in highly corrosive environments. 

Same day lead time and quantity discounts available in our online store.


  • Designed primarily for rubber-lined tank cars used in Hydrochloric Acid service
  • 4.75" O.D.
  • Standard material construction is Ryton with Fluoropolymer linings, and 1/32" Fluoropolymer gaskets secured to both sides
  • Damage resistant
  • Resistant to premature rupture during coupling and switching

Fits standard threaded or bolted railroad tank car safety vent.