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CGA - E-4

STANDARD FOR GAS PRESSURE REGULATORS

active, Most Current
Organization: CGA
Publication Date: 1 January 2021
Status: active
Page Count: 42
scope:

This publication specifies requirements for regulators used with compressed gases to reduce the supply pressure from a storage cylinder, pipeline, or other source to the use pressure.

This publication contains design and manufacturing requirements relating to materials, construction, performance, test procedures, information, marking, and packaging of pressure regulators. Appendix A provides information relating to regulator flow capacity calculations. For pressure regulators used with medical gases, additional requirements are specified in CGA E-7, Standard for Medical Gas Pressure Regulators, Flowmeters, and Orifice Flow Selectors [1].1

This publication does not apply to liquefied petroleum gas (LPG) pressure regulators for equipment intended for installation and use in accordance with the requirements of NFPA 58, Liquefied Petroleum Gas Code [2].

1 References are shown by bracketed numbers and are listed in order of appearance in the reference section.

Document History

E-4
January 1, 2021
STANDARD FOR GAS PRESSURE REGULATORS
This publication specifies requirements for regulators used with compressed gases to reduce the supply pressure from a storage cylinder, pipeline, or other source to the use pressure. This...
January 1, 2016
STANDARD FOR GAS PRESSURE REGULATORS
A description is not available for this item.
E-4
January 1, 2010
Standard for Gas Pressure Regulators
This standard specifies requirements for regulators used with compressed gases to reduce the supply pressure from a storage cylinder, pipeline, or other source to the use pressure. This standard...
E-4
January 1, 2006
Standard for Gas Pressure Regulators
This standard specifies requirements for regulators used with compressed gases to reduce the supply pressure from a storage cylinder, pipeline, or other source to the use pressure. This standard...
E-4
January 1, 2002
Standard for Gas Pressure Regulators
A description is not available for this item.
E-4
January 1, 1994
Standard for Gas Pressure Regulators
A description is not available for this item.

References

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