Specification for installation, exchange, relocation and removal of gas meters with a maximum capacity not exceeding 6 m³/h - Low and medium pressure (3rd family gases) Ingestion-build-279162 The numerical designation system of

The numerical designation system of alloys is specified in BS EN 573-1

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This European standard specifies requirements and criteria for testing procedures to establish and verify the homogeneity of processes and products

only general guidance on selection of materials is given

Specification for installation, exchange, relocation and removal of gas meters with a maximum capacity not exceeding 6 m³/h - Low and medium pressure (3rd family gases) Ingestion-build-279162 The numerical designation system ofBS 6400 3: 2007 Specification for installation, exchange, relocation and removal of gas meters with a maximum capacity not exceeding 6 m3 h. Low and medium pressure (3rd family gases) BS 6400 3 specifies requirements for the installation, exchange, relocation and removal of credit or prepayment diaphragm and ultrasonic gas meters with a maximum capacity not exceeding 6 m h. This part of BS 6400 is applicable to meter installations: a) Supplied with