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Norm

ÖNORM EN ISO 13758

Issue date: 1997 12 01

Liquefied petroleum gases - Assessment of the dryness of propane - Valve freeze method (ISO 13758:1996)

This International Standard describes a procedure for the assessment of whether liquefied petroleum gas (LPG) hydrocarbons consisting predominantly of propane and/or pro...
Withdrawn: 2020 09 15
Publisher:
Austrian Standards International
Format:
Digital | 5 Pages
Language:
German | English | Download GER/ENG
This International Standard describes a procedure for the assessment of whether liquefied petroleum gas (LPG) hydrocarbons consisting predominantly of propane and/or propene are sufficiently dry to avoid malfunctions in pressure-reducing systems installed in domestic, industrial and automotive LPG applications. The test is normally used as a functional pass/fail test in which the behaviour of the product is assessed in a specially designed and calibrated regulator valve. NOTES 1 If excessive dissolved water is contained in the LPG under test, it will cause freezing and blockage of a test regulator valve, which is an indication that the product could cause malfunctions in commercial pressure-reducing systems. 2 If the product under test contains an antifreeze agent, the time taken for the test valve to freeze is not necessarily a function of dryness, but may provide an indication of the tendency of the product to cause freezing in pressure-reducing regulators under service conditions.
ÖNORM EN ISO 13758
2020 09 15
Liquefied petroleum gases - Assessment of the dryness of propane - Valve freeze method (ISO 13758:19...
Norm
ÖNORM EN ISO 13758
1997 12 01
Liquefied petroleum gases - Assessment of the dryness of propane - Valve freeze method (ISO 13758:19...
Norm
Norm
ISO 4257:1988
Issue date : 1988 12 29
Liquefied petroleum gases — Method of sampling
Norm
ÖNORM EN ISO 13758
Issue date : 2020 09 15
Liquefied petroleum gases - Assessment of the dryness of propane - Valve freeze method (ISO 13758:1996 + Amd 1:2020) (consolidated version)
Norm
ISO 13758:1996
Issue date : 1996 12 12
Liquefied petroleum gases — Assessment of the dryness of propane — Valve freeze method