Products
RESTRAINTS, COUPLINGS &
REPAIR
Reliable solutions for joining, restraining and repairing underground infrastructure.
CONNECTION & REPAIR SOLUTIONS
Reliable connections. Dependable repairs.
4R Waterworks supplies restraints, couplings, adapters and repair products for municipal water distribution, wastewater and underground infrastructure. From new installations to emergency repairs, our team helps customers select dependable solutions for the application.
RELIABLE
SUPPLY
EXPERT
SUPPORT
SOLUTIONS
THAT WORK
Mechanical Joint Restraints
Mechanical restraint systems for PVC and ductile iron pressure pipe, fittings and valves, designed to resist axial movement and maintain secure joint connections.
Pipe Restraints
Restraint solutions for bell-and-spigot and other pressure-pipe connections used in municipal watermain and underground infrastructure applications.
Mechanical Joint Couplings
Standard mechanical-joint couplings for connecting plain-end pipe and joining compatible watermain components in municipal pressure systems.
Wide Range Couplings
Flexible couplings designed to accommodate a range of pipe outside diameters and materials for connection, transition and repair applications.
Flange Adapters
Adapters for connecting plain-end pipe to flanged valves, fittings and equipment, including restrained configurations where required.
Repair Couplings
Full-circle and related repair couplings for repairing damaged watermain and underground piping while providing a secure, durable connection.
Repair Clamps
Stainless-steel repair clamps for localized leaks, cracks, holes and other field repairs on watermain and underground piping systems.
Transition Couplings
Couplings for joining pipes of different outside diameters or materials, including PVC, HDPE, ductile iron, steel and other infrastructure piping.
Specialty Couplings & Adapters
Connection and adapter solutions for project-specific piping configurations, non-standard transitions and specialized municipal infrastructure requirements.
Need a Restraint, Coupling or Repair Solution?
Our team is ready to help you find the right solution.