BS 746:2014

This standard BS 746:2014 Specification for gas meter unions and adaptors is classified in these ICS categories:

• 21.060.01 Fasteners in general

This British Standard specifies requirements and test methods for unions and adaptors for the installation of low pressure gas meters. It 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 ¹⁾ and a maximum incidental pressure of 200 mbar. The gas tightness of the gas meter unions and adaptors is also specified.