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Stainless Steel Backing Rings for Fiberglass Pipe

This stainless steel backing ring sits 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
01T316-SFP 3572-SFP 1″ 2.07″ 4-1/4″ 9/16″ 3-1/8″ 4 5/8″ 1.5 lb
0150T316-SFP 3592-SFP 1-1/2″ 2.94″ 5″ 9/16″ 3-7/8″ 4 5/8″ 2 lb
02T316-SFP 2682-SFP 2″ 3.46″ 6″ 9/16″ 4-3/4″ 4 3/4″ 3 lb
0250T316-SFP 1822-SFP 2-1/2″ 4.05″ 7″ 9/16″ 5-1/2″ 4 3/4″ 3.5 lb
03T316-SFP 1722-SFP 3″ 4.65″ 7-1/2″ 9/16″ 6″ 4 3/4″ 4 lb
04T316-SFP 1492-SFP 4″ 5.94″ 9″ 9/16″ 7-1/2″ 8 3/4″ 5 lb
06T316-SFP 1262-SFP 6″ 7.82″ 11″ 9/16″ 9-1/2″ 8 7/8″ 7 lb
08T316-SFP 1442-SFP 8″ 10.15″ 13-1/2″ 9/16″ 11-3/4″ 8 7/8″ 9 lb
10T316-SFP 1502-SFP 10″ 12.55″ 16″ 9/16″ 14-1/4″ 12 1″ 11 lb
12T316-SFP 1522-SFP 12″ 14.71″ 19″ 9/16″ 17″ 12 1″ 16 lb
14T316-SFP 1842-SFP 14″ 16.50″ 21″ 9/16″ 18-3/4″ 12 1-1/8″ 19 lb