- Engineered water hammer arresters ("Hydrotrols") employ a permanently sealed cushion of air or gas which absorbs the energy of water hammer and reduces pressure rise in the piping system to a safe level
- Hydrotrol units correctly sized and placed at specific locations in the water piping system will control the destructive shock of water hammer
- Quick closing electrical, pneumatic, spring loaded valves or devices, and the quick hand closure of fixture trim can cause destructive "water hammer"
Jay R. Smith Manufacturing Water Hammer Arrestor - D
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