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Certa-Lok™ is the leading restrained joint solution for PVC pipe
When it comes to handling the toughest, most demanding pipe applications, Certa-Lok has a lock on time-proven, application-specific solutions.
Certa-Lok restrained joints are in the field in all 50 states and more than 25 countries worldwide – connecting 900 million feet of CertainTeed
PVC pipe in both above- and below-ground applications – and serve as the centerpiece of CertainTeed's specialty PVC pipe product offering.
First introduced in 1975 and refined and improved over the years, Certa-Lok utilizes the combination of precision-machined grooves, high strength flexible splines, watertight O-rings and a simple, efficient design to meet the needs of a wide variety of industries and applications in the areas of municipal/rural water and sewer (force main and gravity), drinking water wells, electrical and communication conduit, agricultural irrigation and fluid transfer in mining.
In all usage applications, the common thread of the Certa-Lok™ Advantage is a focus on value across four key focus areas: Efficiency, Performance, Simplicity and Sustainability.
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