Description
Ductile Iron Ring/flange, also named as convoluted flange or bolt ring. it’s designed for HDPE pipe flange adapter
- Description: Ductile Iron Backup Ring
- Working Pressure: SDR7/ 276PIS.
- Ductile Iron Backup Flange Utilization HDPE Pipe, Stainless Steel and Carbon Steel Stub Ends
- Ductile Iron Backup Flange Material Grade: Cast Ductile iron ASTM A536
- Ductile Iron Backup Flange Design Standard: ASME/ANSI B16.5, ASME/ANSI B16.47 Class 150, ASTM B16.1 CL125, AWWA C207 B/D/E.
- Ductile Iron Backup Flange Finish: Epoxy Powder Coating, Prime Paint, E-Coating, Galvanization, Hot dipped.
We also supply Stainless Steel Rings
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