Category: NARs

Considered one of the safest methods of transportation for chemicals and crude oil, hazardous materials are often transported throughout the United States via rail. To keep accidents to a minimum and ensure the safest possible transport, both the U.S. Department of Transportation (DOT) and the U.S. Federal Railroad Administration (FRA) publish safety regulations for rail […]

We are often asked about the differences between elastomeric (or soft) and hard gaskets, and which style is better suited on hinged and bolted manways.  From a technical standpoint GRI feels the “hard” style gaskets are better suited for several reasons.  This is important because hinged and bolt manways are the number one cause of […]