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475 Pipe-Lock

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This is a fabricated Steel sleeve restraint coupling for reducing transitions.

  • Rating based on larger of the 2 OD’s: 3"-16" 350 PSI / 18"-48" 250 PSI
  • Comes as a complete unit (sleeve, 2 Cam-Locks, 2 gaskets, appropriate number of studs) or as a sleeve only to use with your existing inventory
  • Mechanical restraint shall be an integral part of the follower gland utilizing multiple single Tooth wedges
  • Use with the Multi-Seal Gasket for more flexibility in nominal sizes 4"-12"
  • Reducing transition style coupling
  • Breakaway nut torque per wedge is 45 to 60 ft. lbs.
  • Coupling is rated at the working pressure shown on the next page
  • Longer sleeves available

Smith-Blair Pipe-Lock Joint Restraint Couplings are fabricated steel sleeve restraint couplings that can be used to connect and restrain plain end pipe to plain end pipe.

Application: A reducing coupling that joins and restrains any combination of plain-end Ductile Iron, Steel or PVC pipe.