| 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 |
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.
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