Specifications include, but are not limited to: All Smith Blair bell joint clamps shall be – “High Pressure – 250 PSI”. All valve boxes shall be screw type. East Jordon Iron Works valve boxes are an acceptable substitute for Bingham & Taylor. All parts and materials under this subsection shall be American made and be certified to meet NSF-61 requirements. Subsection “C” – Check Valves, Meter Setting Supplies, Meter Pits & Miscellaneous Parts Refer to specific Manufacturers, Models, Part Numbers and Sizes as specified. McDonalds K Style Series 41-2 with ball valve and dual check valve may be substituted for a Ford KHVBHH-2. McDonald Compression Assemblies K Style in-setters Model 47541T may be substituted for a Ford PJA4-13. 1-1/2” & 2” meter pits shall include a bypass.