1. BS EN 12560-1:2001 Flanges and their joints - Gaskets for Class-designated flanges - Part 1: Non-metallic flat gaskets with or without inserts

2. BS EN 12100:1998 Plastics piping systems - Polyethylene (PE) valves - Test method for resistance to bending between supports

3. BS EN 12560-2:2013 Flanges and their joints - Dimensions of gaskets for Class-designated flanges - Part 2: Spiral wound gaskets for use withsteel flanges

4. BS EN 12101-1:2006 Smoke and heat control systems - Part 1: Specification for smoke barriers

5. BS EN 12560-3:2001 Flanges and their joints - Gaskets for Class-designated flanges - Part 3: Non-metallic PTFE envelope gaskets

6. BS EN 12101-10:2005 Smoke and heat control systems - Part 10: Power supplie

7. BS EN 12560-4:2001 Flanges and their joints - Gaskets for Class-designated flanges - Part 4: Corrugated, flat or grooved metallic and filled metallic gaskets for use with steel flanges

8. BS EN 12101-2:2003 Smoke and heat control systems - Part 2: Specification for natural smoke and heat exhaust ventilators

9. BS EN 12560-5:2001 Flanges and their joints - Gaskets for Class-designated flanges - Part 5: Metallic ring joint gaskets for use with steel flanges

10. BS EN 12101-3:2015 Smoke and heat control systems - Part 3: Specification for powered smoke and heat control ventilators (Fans)