BS EN 1457-2. Chimneys. Clay/ceramic flue liners. Part 2. Flue liners operating under wet conditions. Requirements and test methods

PD IEC TS 61994-4-1 specifies the terms and definitions of synthetic quartz crystal

zinc fluoroborate

BS EN 60154-2 covers requirements for flanges drilled before or after mounting on waveguides

BS EN 3155-023 is part 23 of BS EN 3155 and specifies the required characteristics

— the marking requirements of ball valves

Standard designations for metals and alloys can be found in the Bibliography

This document specifies a method of tensile test to destruction for determining the actual breaking force of steel wire ropes as given in ISO 2408

BS EN 50421 applies to fixed stand-alone broadcast transmitters operating in the frequency range 30 MHz to 40 GHz when put on the market

Linings and drapes are frequently used in these structures

It also provides conditional requirements for catalogue access in the following areas:

BS EN 16566 defines coating materials designed to cover all backgrounds and substrates in traditional materials or compliant with the standards in force

A-deviations apply (see Annex C)