What causes water pipes to vibrate?

Answer

Vibrating water pipes can be caused by water hammer or air in the pipes. The way that air is pushed out of the pipes is by increasing the speed of the water or by opening the pipe to get rid of the air. A water hammer, the other cause of vibrating pipes, is the sound made when moving water changes speed suddenly. It usually occurs when a valve closes such as shutting water off at the faucet very fast. Water hammer can be caused by washing machines and dishwashers. It can also be caused by irrigation systems.
Q&A Related to "What causes water pipes to vibrate?"
Water hammer can occur in either hot or cold water supply pipes when you suddenly stop the flow of water through the pipe by closing the faucet’s valve. You may hear a loud
http://www.ehow.com/info_12167512_causes-hot-water...
water hammer and not being strapped down properly.
http://wiki.answers.com/Q/What_causes_water_pipes_...
Another reason for banging pipes is excessively high water pressure. ... (Only do- it-yourselfers with some serious plumbing skills should try to install a pressure ...... Get helpful
http://www.ask.com/web?q=why+do+my+pipes+bang
Water pipes that make long vertical runs ( more that a few feet ) are supposed to be attached to the framing inside the wall. When they are not, they will vibrate as water passes
http://answers.yahoo.com/question/index?qid=201210...
1 Additional Answer
Ask.com Answer for: vibrating water pipes
What Makes Water Pipes Rattle?
Plumbing is a complex system of pumps and piping that runs throughout the home. Plumbing codes for early home construction were not as strict as today's standards, so the modern requirements to brace pipes may not have been completed in older homes. As... More »
Source: www.ehow.com
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