HP LOK Restrained Joint Pipe and Fittings - International

HP LOK Ductile Iron Pipeline

HP LOK Restrained Joint Pipe and Fittings provide flexible push-on joints for DN 1400 through DN 1600 pipe sizes. The HP LOK Restrained Joint has a working pressure equivalent to the working pressure rating of the parent pipe with a maximum working pressure rating of  25 Bar. An HP LOK Ring that is factory installed in the bell provides a positive axial lock between the bell interior surface and a retainer weldment on the spigot end of the pipe. HP LOK is available with a variety of coatings and linings. Metallic Zinc coating is also available.

Installation Video for 30 - 64" HP LOK

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  • HP LOK Sales Information Sheet - International

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HP LOK® Assembly
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