Guardian K81D Hydrants

Suggested Specifications

• Hydrants shall be UL listed and FM approved.
• Hydrants shall conform to AWWA Standard C-502 latest revision.
• Hydrants shall be of the compression type, closing with line pressure.
• Hydrants shall be of the traffic model breakaway type.
• Hydrant cap and stuffing box shall be of a utilized, one piece design creating a water tight cavity without the use of gaskets. The combination of O-rings to a crimped brass ferrule around the stem shall seal the cavity from contact with water. An alemite fitting shall be supplied for periodic lubrication of the operating threads with grease.
• Operating nut shall be of one piece bronze construction.
• A dirt shield shall be provided to protect the operating mechanism from grit buildup and corrosion due to moisture.
• A thrust washer shall be supplied between the operating nut and stem lock nut to facilitate operation.
• Nozzles shall be of the tamper resistant, 1/4 turn type with O-ring seals and stainless steel retaining screws.
• An O-ring shall be provided to seal between the upper and lower barrels.
• The main valve shall be of synthetic rubber reinforced with steel.
• The seat shall be of a bronze ring threaded to a bronze insert in the hydrant shoe, with O-rings to seal the drainway and barrel from leakage of water in the shoe.
• Hydrant drain valve shall momentarily force flush with each operation. Drainway shall be of bronze. Drain valve facing shall be of synthetic rubber with a stainless steel retaining pin.
• Hydrants shall be Guardian as maunfactured by Kennedy Valve or approved equal.