Picture of Backup Ring for FA4 Flange Adapter, 4", 304 Stainless

Backup Ring for FA4 Flange Adapter, 4", 304 Stainless

These 304 stainless-steel back-up rings are designed for use in a variety of pipeline applications, including with HDPE butt fusion flange adapters. Sliding behind the collar of the flange adapter, they allow a variety of actuated valves and other butt fusion transition fittings to be securely installed within the pipeline. Their stainless-steel construction means they have excellent heat, corrosion, and chemical resistance. They bolt to other inline back-up rings or anchoring points. Great for use in countless applications!

Fields of Application:
  • Agriculture and irrigation
  • Water transfer
  • Process Cooling Water
  • Industrial Water Treatment
  • Bulk Water Distribution
  • Fertilizer/chemical transfer
  • Pharmaceutical Manufacturing
  • Pulp and Paper Manufacturing
  • HVAC
  • Mining
  • Landfill
  • Power Generation
  • Semiconductor

Standard Features:
  • Robust mechanical strength
  • High heat resistance
  • High impact resistance at very low temperatures
  • Excellent abrasion, corrosion, and chemical resistance
  • Ease of installation
  • Excellent cost to performance ratio



SKU: DPBR4SS
$149.00
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