Specifications include, but are not limited to: 1. Basic design will be the dry barrel type (min. 5” barrel) which prevents the operating threads from coming in contact with the service water. It will be of the compression type, opening against the pressure and closing with the pressure. 2. The operating threads will be contained in an operating chamber sealed at the top and bottom with an "O" ring seal. The chamber will contain a lubricating grease or oil. 3. Hydrant barrel will be of the "Breakable Type" made in two sections with the flange or break feature located approximately 2" above the groundline. 4. Main valve opening of the hydrant will be 4-1/2". 5. Hydrant nozzles will consist of two 2-1/2" hose nozzles and one 4-1/2" pumper nozzle. Threads on these nozzles will correspond with those currently in the system. No chains on the complete & replacement 2-1/2” & 4-1/2” caps. 6. The hydrant will be so designed to permit the removal of all working parts from the hydrant up through the barrel without disturbing the earth around the hydrant or disassembling the barrel. 7. Main valve seat will be made of bronze and threaded into a bronze retainer ring or it may be threaded into the hydrant base. 8. All exterior bolting on the hydrant will be ASTM A307 Grade B per AWWA C-502-05. 9. There will be a minimum of two bronze drains and bronze drain outlets. 10. Hydrant will be designed to require the minimum of maintenance and the maximum in ease of operation.
