Riser Manifold

They are available with a TEST and DRAIN valve, and/or pressure relief valve (PRV) to meet NFPA 13 requirements for gridded systems and any system requiring a pressure relief valve. The pressure relief valve will provide protection against excessive water pressure caused by thermal expansion or line surge.

Y-4070 2″ 1″ NPT T&D Valve
Y-4070 2 1/2″ 1 1/4″ NPT T&D Valve
Y-4070 3″ 1 1/4″ NPT T&D Valve
Y-4070 4″ 2″ NPT T&D Valve
Y-4070 6″ 2″ NPT T&D Valve


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