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Smith-Blair Joint Restraints provide a quick and easy way to restrain hydrants, values, pipe, bells and fittings used in water and wastewater systems.
We stringently test all our products to provide levels of strength, durability and efficiency that meet or exceeds suggested industry standards.
Next time you need the industry's best for a restraining application, specify Smith-Blair.
Smith-Blair Cam-Lock Joint Restraints save labor by providing superior restraint with fewer wedges and install on IPS size PVC without modifications. The Cam-Lock's lower bolt torque and wider wedges reduce pipe stress. Cam-Lock Features include color-coded nuts and wedges, epoxy coating, visible wedge engagement and longer T-bolts. Available in sizes 3" through 24".
111 Cam-Lock Joint Restraint (DI & CS) - For restraining pipe ends to MJ valves, fittings, or hydrants
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120 Cam-Lock Joint Restraint (PVC) - For restraining pipe ends on MJ valves, fittings, or hydrants
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.
471 Pipe-Lock Coupling, Straight, DI X DI - For connecting plain-end D.I. to plain-end D.I.
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472 Pipe-Lock Coupling, Straight, PVC x PVC - For connecting plain-end PVC to plain-end PVC
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473 Pipe-Lock Coupling, Straight, PVC x DI - For connecting plain-end D.I. to plain-end PVC
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474 Pipe-Lock Coupling, Reducing, DI X DI - For connecting plain-end D.I. to plain-end D.I.
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475 Pipe-Lock Coupling, Reducing, PVC x PVC - For connecting plain-end PVC to plain-end PVC
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476 Pipe-Lock Coupling, Reducing, PVC x DI - For connecting plain-end PVC to plain-end D.I.
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477 Pipe-Lock Coupling, Reducing, Sleeve Only - For joining plain-end pipe ends of different outside diameters
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477 Pipe-Lock Coupling, Straight, Sleeve Only - For joining plain-end pipe ends
Smith-Blair Flange-Lock Joint Restraints restrain plain end pipe to plain end pipe and can join IPS PVC or ductile iron OD PVC to ductile iron or carbon steel.
911 Flange Lock, Flange Coupling Adapter, DI & CS - For joining and restraining plain-end DI or CS pipe to flanged connections
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920 Flange Lock, Flange Coupling Adapter, PVC - For joining and restraining plain-end PVC pipe to flanged connections
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923 Flange Lock, Flange Coupling Adapter, Sleeve - For straight and reducing applications (weldment only)
Smith-Blair Harness Assemblies should be used where calculations show the forces resulting from a lateral connection, change in direction of the pipeline, unstable soil, thermal expansion/contraction or other service conditions could cause the pipe to move out of the coupling.
AWWA M11 Harness Assembly - For restraining steel pipe joints
Smith-Blair Anchor Studs are designed as an alternative coupling method to harness assemblies for applications where moderate longitudinal stresses are encountered.
Smith-Blair MAXI-GRIP® EZ-W™ Restraint Couplings for water service are designed with push on gaskets and engineered to simplify installation, restrain the pipe joint and ensure a tight seal. EZ-W Couplings can be used to connect IPS PE to steel pipes 1" through 12" diameters and ductile iron to IPS PE, PVC or steel pipe, 3", 4", 6", 8" and 12".
EZWC MAXI-GRIP EZ-W Restrained Line Cap - For capping and restraining plain-end pipe, 2" thru 12" nominal
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EZWF MAXI-GRIP EZ-W Restrained Flanged Coupling Adapter - For joining and restraining plain-end pipe to flanged fittings, valves, or meters, 2" thru 12" nominal
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EZWR MAXI-GRIP EZ-W Restrained Reducing Coupling - For joining and restraining plain-end pipe of different outside diameters, 1" thru 12" nominal
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EZWS MAXI-GRIP EZ-W Restrained Straight Coupling - For joining and restraining plain-end pipe of same outside diameters, 1" thru 12" nominal
