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Two types of valves, in-line and terminal, ensure one-way flow in storm and sanitary sewer lines where backflow could be a problem. Each valve is equipped with a free-hinged flapper that allows unrestricted flow. Valves come with an access lid that can be easily removed for inspection and cleaning. Both the flapper and access lid have leak-free neoprene gaskets.
We want to help you get your project started. That’s why there are NAPCO representatives all across North America.
Complete the form to access current product drawings, brochures, price lists, and more.
Once submitted, you'll unlock all NAPCO resources and won't need to complete this form again.
Remplissez le formulaire pour avoir accès aux dessins de produit, aux brochures, aux listes de prix et à plusieurs autres documents.
Une fois soumis, ce formulaire déverrouille pour vous toutes les ressources de NAPCO et vous n’aurez pas à le remplir de nouveau.