GIS/F7: 2021 Specification for Steel welding pipe fittings nominal size 15 mm to 1200 mm inclusive, for operating pressures not greater than 7 bar
Note: This is an interim specification which is still under development. Fittings may continue to be assessed against, and certified for conformance with, either GIS/F7: 2006 or GIS/F7:2021 until a replacement specification for both documents is published.
