1. BS EN 1514-3:1997 Flanges and their joints - Dimensions of gaskets for PN-designated flanges - Part 3: Non-metallic PTFE envelope gaskets

2. BS EN 1514-4:1997 Flanges and their joints - Dimensions of gaskets for PN-designated flanges - Part 4: Corrugated, flat or grooved metallic and filled metallic gaskets for use with steel flanges

3. BS EN 1514-8:2004 Flanges and their joints - Dimensions of gaskets for PN-designated flanges - Part 8: Polymeric O-Ring gaskets for grooved flanges

4. BS EN 1515-2:2001 Flanges and their joints - Bolting - Part 2: Classification of bolt materials for steel flanges, PN designated

5. BS EN 1515-3:2005 Flanges and their joints - Bolting - Part 3: Classification of bolt materials for steel flanges, class designated

6. BS EN 1515-4:2009 Flanges and their joints - Bolting - Part 4: Selection of bolting for equipment subject to the Pressure Equipment Directive 9723EC

7. BS EN 1552:2003 Underground mining machines - Mobile extracting machines at the face - Safety requirements for shearer loaders and plough systems

8. BS EN 1554:2012 Conveyor belts - Drum friction testing

9. BS EN 1555-1:2010 Plastics piping systems for the supply of gaseous fuels - Polyethylene (PE) - Part 1: General

10. BS EN 1555-2:2010 Plastics piping systems for the supply of gaseous fuels - Polyethylene (PE) - Part 2: Pipes