BS ISO 15859-4:2004
Aerospace series - Space systems - Fluid characteristics, sampling and test methods - Helium

Standard No.
BS ISO 15859-4:2004
Release Date
2004
Published By
British Standards Institution (BSI)
Latest
BS ISO 15859-4:2004
Replace
01/710752 DC:2002
Scope
This part of ISO 15859 specifies limits for the composition of helium and establishes the sampling and test requirements applicable for the verification of the helium composition. This part of ISO 15859 is applicable to helium, used in both flight hardware and ground facilities, systems and equipment, of the following types and grades. — Type Ⅰ: gaseous — Grade A: purging and pressurizing helium; — Grade F: purging and pressurizing helium; — Grade J: purging and pressurizing helium; — Type Ⅱ: liquid — Grade A: purging and pressurizing helium; — Grade F: purging and pressurizing helium. This part of ISO 15859 is applicable to influents only within the specified limits herein. This part of ISO 15859 is applicable to any sampling operation required to ensure that, when the fluid enters the launch vehicle or spacecraft, the fluid composition complies with the limits provided hereafter or with any technical specification agreed to for a particular use.

BS ISO 15859-4:2004 history

  • 2004 BS ISO 15859-4:2004 Aerospace series - Space systems - Fluid characteristics, sampling and test methods - Helium
Aerospace series - Space systems - Fluid characteristics, sampling and test methods - Helium



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