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3/4" IPS Ductile Iron Backup Ring

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  • Ductile Iron Backup Ring Only - Hdpe Flange Adapter Sold Separately
  • Ductile Iron Ring Cross Section
Agru Hdpe Fittings
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 Product Description

3/4" IPS Ductile Iron Backup Ring (Rated up to SDR7) 335psi

Backing Ring Only - For use with hdpe flange adpaters (Sold Separately)



Pipe Outside Flange Inside Bolt Dia. Bolt Operating1
Diameter Dia. Thickness Dia. Count Bolt Hole Circle Pressure
  O.D. T I.D. N B.D. B.C.  
3/4" 3.88 0.5 1.09 4 0.63 2.75 335psi


Description A conventional cross section (reduced section modulus) in ductile iron.
Utilization A back-up ring for IPS or AFR connections. Buttweld or integrally flared stub-ends.
Materials Cast in ductile iron A536. Tensile strength 80,000 psi, yield 55,000 psi, elongation 6%.
Dimensions Vital dimensions AWWA C207. Mates with ANSI B16.5, B16.47; AWWA C207.
Finish epoxy coated

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