FF.GI Srl produces back-up / BK / anti-extrusion rings in the most common materials, such as:
Flon-Chem®-1000
100% Virgin PTFE
Flon-Chem®-1002
PTFE +25% carbographite
PA6
PA6 + Mos2 (black)
LAURAMID®
DEVLON® V-API
PEEK virgin
PEEK PVX (black)
We can offer a maximum external diameter of up to 1100mm as a single piece; for larger diameters we can offer welded rings of BK and BKC styles in FLON-CHEM 1000 virgin PTFE.
