Custom Pipe & Coupling - Coatings

NO AWWA standard exist for most restrained joints.

Engineers note: When specifying the proprietary designs, care should be taken to include the “or equal” clause so as not to preclude other designs whose performance is comparable.

In addition to these methods several other types may be considered.

1. Retainer Glands with set screws
2. Grooved type pipe and fittings
3. Tie Rods
4. Pipe Clamps
5. Miscellaneous Harness Methods

For pressure ratings application for any of the above methods, contact your NAPF member for recommendations and assistance.