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Dry Barrel Fire Hydrant
Dry barrel hydrants are commonly used in the cold regions because their underground valves ensure that no water will be left above ground, thus preventing themselves from freezing or breaking.
Water is drained or pumped from the barrel when the hydrant is not in use. Dry barrel hydrants are pressurized and drained through the workings of a main valve located in the base of the hydrant.
VConstruction
Parts | Material |
Bonnet | Ductile Iron ASTM A536 Grade 65-45-12 |
Nozzle Cap | Ductile Iron ASTM A536 Grade 65-45-12 |
Chain Set | Electro Zinc Plated Steel |
Upper Barrel | Ductile Iron ASTM A536 Grade 65-45-12 |
Upper Stem Rod | Carbon Steel AISI 1045 |
Lower Barrel | Ductile Iron ASTM A536 Grade 65-45-12 |
Lower Stem Rod | Carbon Steel AISI 1045 |
Elbow | Ductile Iron ASTM A536 Grade 65-45-12 |
Description
NFPA 1963 Nozzle Threads.
Excellent flow characteristics.
Mechanical joint base elbow.
Size is 5-1/4" (DN115X65X65).
Epoxy paint 200 microns min.
Standards
Valve: AWWA C 502
Flanged: ASME B16.1 Class 125
Pressure Rating: 200psi/300psi,
Working Temperature: 0 ℃ - 100 ℃
Suitabilities
Fire Fighting
