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Carbon Steel Backing Rings Reinforce Molded Fiberglass Flanges

These split rings sit behind molded fiberglass flanges to effectively disperse bolt torque and eliminate cracked flanges.

Showing all 11 results

Item # Legacy Part Number Size Inside Diameter (I.D.) Outside Diameter (O.D.) Thickness (T) Bolt Circle (B.C.) Number of Holes Holes Diameter (H.D.) Weight Each
01CS-SFP 357-SFP 1″ 2.07″ 4-1/4″ 9/16″ 3-1/8″ 4 5/8″ 1.5 lb
0150CS-SFP 359-SFP 1-1/2″ 2.94″ 5″ 9/16″ 3-7/8″ 4 5/8″ 2 lb
02CS-SFP 268-SFP 2″ 3.46″ 6″ 9/16″ 4-3/4″ 4 3/4″ 3 lb
0250CS-SFP 182-SFP 2-1/2″ 4.05″ 7″ 9/16″ 5-1/2″ 4 3/4″ 3.5 lb
03CS-SFP 172-SFP 3″ 4.65″ 7-1/2″ 9/16″ 6″ 4 3/4″ 4 lb
04CS-SFP 149-SFP 4″ 5.94″ 9″ 9/16″ 7-1/2″ 8 3/4″ 5 lb
06CS-SFP 126-SFP 6″ 7.82″ 11″ 9/16″ 9-1/2″ 8 7/8″ 7 lb
08CS-SFP 144-SFP 8″ 10.15″ 13-1/2″ 9/16″ 11-3/4″ 8 7/8″ 9 lb
10CS-SFP 150-SFP 10″ 12.55″ 16″ 9/16″ 14-1/4″ 12 1″ 11 lb
12CS-SFP 152-SFP 12″ 14.71″ 19″ 9/16″ 17″ 12 1″ 16 lb
14CS-SFP 184-SFP 14″ 16.50″ 21″ 9/16″ 18-3/4″ 12 1-1/8″ 19 lb