1. BS EN 1266:2002. Independent gas-fired convection heaters incorporating a fan to assist transportation of combustion air andor flue gases

2. BS EN 1267:2012. Industrial valves - Test of flow resistance using water as test fluid

3. BS EN 1277:2003. Plastics piping systems - Thermoplastics piping systems for buried non-pressure applications - Test methods for leaktightness of elastomeric sealing ring type joints

4. BS EN 1278:2010. Chemicals used for treatment of water intended for human consumption - Ozone

5. BS EN 1279-1:2004. Glass in building - Insulating glass units - Part 1: Generalities, dimensional tolerances and rules for the system description

6. BS EN 1279-2:2002. Glass in building - Insulating glass units - Part 2: Long term test method and requirements for moisture penetration

7. BS EN 1279-3:2002. Glass in building - Insulating glass units - Part 3: Long term test method and requirements for gas leakage rate and for gas concentration tolerances

8. BS EN 1279-4:2002. Glass in building - Insulating glass units - Part 4: Methods of test for the physical attributes of edge seals

9. BS EN 1279-5:2005 + A2:2010. Glass in building - Insulating glass units - Part 5: Evaluation of conformity

10. BS EN 1279-6:2002. Glass in building - Insulating glass units - Part 6: Factory production control and periodic tests