IP 395: Liquefied petroleum gases - Assessment of the dryness of propane - Valve freeze method

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  • Method adopted/last revised:
  • Method reapproved: 2020
  • Status: Current
  • First printed in STM books: 2017

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.

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