Couplings - Series 1800/1900

Distributed by Robar Industries Ltd.
Brand: Robar

ROBAR 1808/1906 Fabricated non-restraining couplings are used to make a non-restrained connection between two pipes of the same nominal size but with same or different ODs.


Center Sleeve: Carbon Steel
End Rings: Carbon Steel
Gaskets: Nitrile (Buna N) and SBR (Buna S) Rubber (Other compounds available)

Fasteners: 1906/1806 ? 5/8? NC T304 Stainless Steel ? Nuts coated with anti-galling compound

1808/1908 ? 5/8?NC Mild Steel
Torque: 70-80 ft-lbs.
Coating: 1808/1806 ? shop coat

1906/1908 ? Corrosion Protective Epoxy coating

Contact Robar for pressure ratings.

Utility Works | Waterworks | Couplings

Certifications: PMC - Accepted for Use Durham Region Approved Products List

Prequalification Lists: 
City of Vaughan - - Watermain Pipe Coupling (PDF)
Regional Municipality of Durham - - Watermain Pipe (PDF)
  • Ontario Provincial Standards
    • OPSS 441 - Watermain Installation in Open Cut
  • Other Standards