• Product Description

    Strength testing, tightness testing and direct purging of small, low pressure industrial and commercial Natural Gas installations.
    This standard contains information on the testing and purging of pipework found in small, low pressure industrial and commercial gas installations.

    These Procedures apply to any section of pipework containing Natural Gas from the outlet of the emergency control valve having:

    A volume of not exceeding 1 m3 including any meter and any allowance for fittings
    A MOP not exceeding 40 mbar at the outlet of the primary meter regulator
    A supply MOP not exceeding 75 mbar
    A nominal bore not exceeding 150 mm

    They apply to strength and tightness testing in the following circumstances:
    New pipework
    Alteration to, replacement of, re-use of, or uprating existing pipework
    New extensions to existing pipework
    Prior to any work on existing pipework
    Where there is a known or suspected gas leak in pipework
    Where there has been a complete loss of pressure for any reason
    Routine testing of existing pipework
    Immediately before purging pipework (except when taking pipework permanently out of service)

    And to direct purging in the following circumstances:
    New pipework
    Alteration to, replacement of or re-use of, existing pipework
    New extensions to existing pipework
    Where there has been a complete loss of pressure for any reason
    Where there is the possibility of air being present in pipework
    Where pipework is to be taken out of service temporarily or permanently

    Item Specification

    Publication Date  01/08/2005
    Publisher  IGEM
    ISBN  9780717701469
    Format  Paperback
     

    Additional Details

    Author Other
    Industry Gas