Viking EasyPac Standpipe Assemblies are available in sizes 3”, 4” and 6”. Specification include: - Pressure Rating: 300 PSI (20.7 bar) maximum water working pressure. - Fabricated steel pipe. - Available in grooved inlet and outlet connections using Schedule 10 steel pipe. - Riser bodies coated with black Ecoat. - Includes 2-1/2” Drain Valve with Cap and Chain.