Specification for gas meter unions and adaptors
Specification for gas meter unions and adaptors
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What is BS 746 - Gas meter unions and adaptors about?
A gas meter is a specialised flow meter, used to measure the volume of fuel gases such as natural gas and liquefied petroleum gas. Gas meters are used in residential, commercial, and industrial buildings that consume fuel gas supplied by a gas utility. BS 746 discusses standards for gas meter unions and adaptors. BS 746 specifies requirements and test methods for unions and adaptors for the installation of low-pressure gas meters. BS 746 is applicable to unions and adaptors for gas meters for use with 1st, 2nd and 3rd family gases at temperatures between –20 °C and +60 °C, up to a maximum operating pressure of 75 mbar and a maximum incidental pressure of 200 mbar. The gas tightness of the gas meter unions and adaptors is also specified. BS 746 also provides t erms and definitions related to gas met...
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