Bidirectional

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.
Available in our Online Store.

The Oseco HP-RC railcar disc's Ryton construction is excellent for corrosive applications.
Available in our Online Store.

The Oseco VAPRO and POSIPRO are economical alternatives for applications requiring both positive and vacuum pressure protection.

Oseco's POSIPRO is a bidirectional rupture disc that provides both positive and vacuum pressure protection.  The POSIPRO is designed for applications requiring extremely low positive pressure relief while providing vacuum protection up to 100 psig.

The FM-S is an Oseco Innovation: the first flat bidirectional high-performance rupture disc for pharmaceutical and hygienic industries.

The Oseco VAPRO-S is an economical alternative for sanitary applications requiring both positive and vacuum pressure protection.

Oseco's POSIPRO-S is a bidirectional rupture disc that provides both positive and vacuum pressure protection for sanitary applications.  The POSIPRO-S is designed for sanitary applications requiring extremely low positive pressure relief while providing vacuum protection up to 100 psig.