Riser Manifold

    Shield Riser Manifold Assemblies are available in sizes 1½”, 2”, 2½”, 3”, 4”, 6” and 8” for commercial use, in high rise buildings requiring floor control assemblies and also for residential purpose. 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. Pressure relief valve will provide protection against excessive water pressure caused by thermal expansion or line surge.