Scored Railcar Disc (SRC)
OsecoElfab's SRC or Scored Railcar Disc is an alternative to railcar discs containing PTFE seals.
Composite Railcar Disc (CRC)
A metal disc with a 3.125" outside diameter, the Composite Rail Car (CRC) fits the standard threaded or bolted railroad tank car safety vent.
The OsecoElfab HP-RC railcar disc's Ryton construction is excellent for corrosive applications.