
The purpose of gate valve services is to exercise main line valves throughout the distribution system to assure reliable operation and maintain water quality.
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Each valve is operated through a full cycle and returned to its normal position. Valves are exercised on a regular cycle that is designed to prevent a buildup of rust in the pipes as result of corrosion or other mineral deposits that could render the valve inoperable or prevent a tight shutoff.
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While exercising each valve, it is essential that the location, make, type, size, turns, close direction and installation date of each valve is recorded. The district’s GIS systems provide a written record of valve location, condition, maintenance, and inspection of each valve.​




The American Water Works Association (AWWA) recommends that all water utilities departments initiate and maintain a comprehensive valve exercising program. This program should include inspecting and operating valves (including distribution and transmission valves, air valves and blow-offs) on a regular basis.
This gate valve service prevents your gate valves from seizing due to rust and identifies any broken valves, allowing for necessary repairs before an emergency arises.
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