Carbon Steel Backing Rings for Fiberglass Pipe
This carbon steel backing ring sits behind molded fiberglass flanges to effectively disperse bolt torque and eliminate cracked flanges.
Showing all 11 results
| Item # | Size | Inside Diameter (I.D.) | Outside Diameter (O.D.) | Thickness (T) | Bolt Circle (B.C.) | Number of Holes | Holes Diameter (H.D.) | Weight Each |
|---|---|---|---|---|---|---|---|---|
| 357-SFP | 1” | 2.07” | 4-1/4” | 9/16” | 3-1/8” | 4 | 5/8” | 1.5 lb |
| 359-SFP | 1-1/2” | 2.94” | 5” | 9/16” | 3-7/8” | 4 | 5/8” | 2 lb |
| 268-SFP | 2” | 3.46” | 6” | 9/16” | 4-3/4” | 4 | 3/4” | 3 lb |
| 182-SFP | 2-1/2” | 4.05” | 7” | 9/16” | 5-1/2” | 4 | 3/4” | 3.5 lb |
| 172-SFP | 3” | 4.65” | 7-1/2” | 9/16” | 6” | 4 | 3/4” | 4 lb |
| 149-SFP | 4” | 5.94” | 9” | 9/16” | 7-1/2” | 8 | 3/4” | 5 lb |
| 126-SFP | 6” | 7.82” | 11” | 9/16” | 9-1/2” | 8 | 7/8” | 7 lb |
| 144-SFP | 8” | 10.15” | 13-1/2” | 9/16” | 11-3/4” | 8 | 7/8” | 9 lb |
| 150-SFP | 10” | 12.55” | 16” | 9/16” | 14-1/4” | 12 | 1” | 11 lb |
| 152-SFP | 12” | 14.71” | 19” | 9/16” | 17” | 12 | 1” | 16 lb |
| 184-SFP | 14” | 16.50” | 21” | 9/16” | 18-3/4” | 12 | 1-1/8” | 19 lb |