Specification for installation, exchange, relocation and removal of gas meters with a maximum capacity not exceeding 6 m³/h - Medium pressure (2nd family gases)BS 6400 is a series of three standards consisting of the following parts: Part 1: Low pressure (2nd family gases) Part 2: Medium pressure (2nd family gases) Part 3: Low and medium pressure (3rd family gases) BS 6400 2: 2006 specifies the requirements for the installation, exchange, relocation and removal of primary meters with a maximum capacity of 6 m h. It is applicable to installations that incorporate credit or prepayment diaphragm and ultrasonic

ISO 14644-3 is the third part of the multi-series on cleanrooms and associated controlled environments

Pricing data

United Kingdom Accreditation Service

Safety specifications

Note2: BS EN 60335-2-74 deals with the reasonably foreseeable hazards presented by appliances and machines that are met by all persons

Assessing the management levels

Inspection personnel

4 Symbols and requirements

BS EN 16402 discusses paints and varnishes

validation personnel

units and constants

Factors such as the ease of residue removal