Quantum Cast Coupling, 1.81″ – 2.28″ O.D. Range


Quantum Cast Coupling, 1.81″ – 2.28″ O.D. Range


SKU: IRRSB46101810228000


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Smith Blair 461 Quantum Cast Repair Coupling

Joining plain end pipe of all outside diameters within the coupling range.

Key Features:

  • Great for reducing coupling inventory
  • Heavy cast Ductile Iron parts for long life
  • Meets applicable AWWA C219 Standards
  • Stab fit, making installation a breeze. No disassembly required
  • Bolts and nuts are coated for superior corrosion resistance and better torque capabilities
  • Up to 1.65″ of range with a single gasket and flange, reducing the need for large coupling inventories
  • One coupling per nominal pipe size takes the guess work out of deciding which coupling size to choose

Additional information

Weight 8 lbs
Dimensions 12 × 12 × 12 in
Nominal Pipe Size

1.5 inch

Outside Diameter

1.81 in. – 2.28 in.



Bolt Type



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