Ductile Iron Backing Ring

Pressure rating:

Category: ASTM PE Piping System

Ductile Iron Backing Rings( Flanges) are used with HDPE/PP stub end and flange adaptors, and have adavantages of higher strength, less weight and anti corrosion.

Surface finish: powder coated, hot-dipped galvalised, painted.

Material: Ductile Iron to ASTM A536 Gr 65/45/12

Drilling: To ANSI B16.5 Class 150

Smart Joint produce a full range of HDPE flange adaptors up to 63" and offer a whole package for HDPE adaptors and backing rings to the customer.  


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