Standard for Flexible Stainless Steel Braided Hoses Used in Compressed Gas Service, Sixth Edition

Published by	Publication Date	Number of Pages
CGA	02/19/2021	14

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Category: CGA

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CGA E-9 – Standard for Flexible Stainless Steel Braided Hoses Used in Compressed Gas Service, Sixth Edition

CGA E-9 provides a minimum standard for flexible stainless steel braided hoses with the following inner core:

ethylene tetrafluoroethylene (ETFE);
polytetrafluoroethylene (PTFE); and
corrugated stainless steel.

These hoses have a nominal inside diameter (ID) of 0.25 in (6.4 mm) or less and shall have a maximum allowable working pressure (MAWP) of at least 3000 psi (20 680 kPa) at 70 °F (21.1 °C). These flexible hoses are sometimes referred to as pigtails.

This standard does not cover requirements for other polymeric or elastomeric inner core hoses.