Tiêu chuẩn quốc tế

• Số hiệu / Standard Number: BS 8499-TC:2020
• Năm ban hành / Publication date: 2020
• Tình trạng / Status: A - Còn hiệu lực
• Tên tiếng Anh / Title in English: Tracked Changes (Redline) - Specification for domestic gas meter boxes and meter bracket
• Chỉ số phân loại Quốc tế (ICS) / By field: 91.140.40 - Hệ thống cung cấp khí
• Số trang / Page: 117

Phạm vi áp dụng / Scope of standard

This British Standard specifies requirements for gas meter boxes for use with single gas meter installations conforming to BS 6400, which:

a) are supplied with gases of the 2nd and 3rd family, with a maximum capacity of 6 m³/h and a maximum operating pressure not exceeding 2 bar; and

b) incorporate any of the following meters: diaphragm, ultrasonic, credit or prepayment. It does not apply to multiple meter installations which are installed in the same housing.

NOTE 1 The composition of fuel gases of the 2nd and 3rd family is specified in BS EN 437.

NOTE 2 All pressures quoted in this standard are gauge pressures.

It covers the following designs of meter box, including any associated box extensions:

1) built-in;

2) surface mounted;

3) semi-concealed;

4) universal.

It does not cover security shrouds intended to provide additional protection to meter installations.

This British Standard also specifies requirements for the design of the standard meter bracket.