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NAVISTAR - TMS 1068

Bellows Flexible Pipe

inactive
Organization: NAVISTAR
Publication Date: 1 December 2008
Status: inactive
Page Count: 5
scope:

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.

APPLICATION

This specification covers two types of bellows (flexible steel pipe) used for making connections between pipes used in the exhaust system. Each application needs to be developed on a case by case basis due to the differences in displacement and/or vibrations in the different vehicle/application/location. The bellows described in this document is to be used when raw fuel is present in the exhaust gas traveling through the piping, or when spiral wound flex (TMS-1050) cannot meet the leak rate required by the engine/aftertreatment provider. Spiral wound flex per TMS-1050 may be used if it is after the treatment areas (DOC, DPF, SCR) of the exhaust system or there is no raw fuel or other reactant present in the exhaust gas at that point.

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.

Document History

May 1, 2017
VOID - Bellows Flexible Pipe
A description is not available for this item.
August 1, 2013
Bellows Flexible Pipe
This specification covers requirements for the material, construction, dimensions, quality, leakage, installation, design guidance, source approval and quality control, for both types of bellows....
TMS 1068
December 1, 2008
Bellows Flexible Pipe
This specification covers requirements for the material, construction, dimensions, quality, leakage, installation, design guidance, source approval and quality control, for both types of bellows....

References

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