The Road Authority

One-Lok TM SLC

Manufactured by Sigma Corporation
Brand: One-Lok TM

Mechanical restraint for PVC pipe of 4" to 24" diameter to watermain fittings with break-off bolt and shoulder stop assembly for visual torque installation eliminating costly and time consuming thrust blocks, model SLC.

Categories: 
Drainage and Sewer Works | Storm Sewers, Culverts and Sub-Drains | Pipe Accessories | Joint Restraints
Utility Works | Waterworks | Couplings

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

Prequalification Lists: 
Regional Municipality of Halton - 7.95.30.45 - Restrainers (PDF)
Regional Municipality of Durham - 7.95.30.47 - Mechanical Restrainers - PVC Pipe (PDF)
City of Vaughan - 7.95.30.45 - Mechanical Restrainers - PVC Type (PDF)
  • Ontario Provincial Standards
    • OPSS 441 - Watermain Installation in Open Cut
  • American Society for Testing and Materials
  • Other Standards
    • AWWA C900-07 - Polyvinyl Chloride (PVC) Pressure Pipe, and Fabricated Fittings, 4 in. - 12 in. (100 mm - 300 mm), for Water Transmission and Distribution

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