The 32R is a metal, retro-fit fire collar for fire rated plasterboard, concrete & masonry walls, 75mm+ Hebel Powerpanel Walls, and 150mm and thicker concrete slabs.
This collar can ALSO be used for some Pex-AL-Pex pipe situations for Gas but only on 16-20mm pipe size (at the time of writing this) Pex-AL-Pex pipes. HOWEVER please ring to discuss application for before making decision so we can get you the correct collar with matching test reports.