Style 421 | 2 Bolt Coupling | Top Bolt

Nominal Size: 2 in
OD Range: 2.13 in to 2.95 in
SKU: 421-02130295-031
Weight: 8.0 lb
Available For Order! Call Sales Counter for accurate lead-time!
Product Features:
  • Two bolt stab fit coupling featuring removable/replaceable inner gaskets to expand the range of product and reduce the number of SKUs that must be stocked.
  • Application Joining plain end pipe
  • Easy to install €� One bolt on each end to tighten
  • Removable inner gasket for larger O.D.s
  • Bi-directional inner gasket can be reinstalled
  • Corrugated armor €� reduces friction between gasket and armor thus allowing better gasket seating prevents armor from gouging flange finish thus reducing possible corrosion point
  • Wide range - Up to 1.31 inches
  • Reduces inventory by having wide range
  • Deflection 4 per end
  • Lightweight
  • Stab insertion of pipe ends
  • Corrosion resistant Flexi-Coat Epoxy Finish
  • Epoxy coated 304 Stainless Steel hardware and fluoropolymer coated nuts to reduce galling
  • Connectors available for additional corrosion protection using anodes
  • Easily disassembled when necessary

Style 421 Smith Blair Spec Sheet


  • SLEEVE Carbon Steel
  • FLANGES Carbon Steel
  • ARMOR Half hard 304 Stainless Steel
  • GASKET Nitrile (Buna N)
  • BOLTS Type 304 Stainless Steel with Flexi-Coat Fusion Bonded Epoxy Finish
  • NUTS Heavy hex Type 304 Stainless Steel with fluoropolymer finish to prevent galling
  • FINISH Flexi-Coat Fusion Bonded Epoxy Finish
  • Working Pressure Up to 260 PSI
  • Pipe Applications Steel PVC Ductile Iron Asbestos Cement and Copper tube sizes

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