Valves for gas distribution systems with maximum operating pressure less than or equal to 16 bar. Performance requirementsWhat is BS EN 13774 Valves for gas distribution performance requirements about? BS EN 13774 is a European standard that deals with metal isolating valves used for gas distribution systems with maximum operating pressure up to 16 bar, and which operate with fuel gases of the first, the second and the third family, in accordance with EN 437. The types of isolating valves to be considered are: plug and ball valves, gate valves, globe valves and butterfly

• a data descriptive file composed of a data descriptive record and companion data records that enable interchange to occur with minimal specific external description

With obedience and compliance to BS 4825-1

Why should you use BS 6043-1

BS EN 61300-3-37 describes methods to measure the endface angle of flat or convex angle-polished optical fibres

4 Tier 3 – operational integration

— hardened concrete bonded to hardened concrete

9 helps the end-user to determine the most suitable sampling method to use for a particular analysis and

The standard specifies essential emission requirements in the frequency range 9 kHz to 400 GHz - selected to provide an adequate level of protection of radio reception within industrial environments

Note 1: The requirements apply to a cot that is fully assembled and ready for use

Additional requirements for mechanical strength

BS 3907-12 on magnesium alloys applies to:

The assessment of human exposure to vibration