This specification covers requirements for the material, construction, dimensions, quality, leakage, installation, design guidance, source approval and quality control, for both types of bellows. TYPE I is meant to be used in high temperature applications as the liner insulates the bellows from the exhaust gas heat, or to act as a dual wall pipe to insulate surrounding components from the exhaust heat.

Restricted Chemical Substances

Effective January 1, 2007, all product supplied to the requirements of this specification must comply with the requirements of the CEMS B-50 specification.