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Water Hammer in Pipe-Line Systems J. Záruba
Publisher: Elsevier Science

The main drain connects to a septic tank or to a public sewer stub at the property line. The DWV system is completely independent of the water supply system and contractors usually install it first. €� Because each “Air in a pressurized water system is very dangerous as it can move very quickly through the supply lines and consequently result in serious water hammer,” Johnson told Life's Little Mysteries. Most local codes The DWV system. Water hammer commonly occurs when a valve closes suddenly at an end of a pipeline system, and a pressure wave propagates in the pipe. Piping network remains cool and as soon as the hot steam enters, condensation takes place and water gets accumulated in the lines forming a Slug. Sometimes called the sanitary system, the DWV system includes all the drains and waste pipes in and under the house as well as the vents. Steam hammering is the sound that is heard as a pinging, rattling, or banging in a steam system under conditions of Start-up, shutdown, changing loads or even in few cases, steady state full load operation. A ticking noise on water pipes sounds like a meter or water hammer. Thanks to TRU Engineers and Town of Oliver staff for pictures and explanation. If you are on a dual system with your neighbour, did ACTEW install a new water meter and hammer arrestor to both houses. Take preventive measures to minimize the impact of water hammer to the pipe lines by way of design and selection of the right equipment 6. According to Michael Johnson, a civil engineer at the Utah Water Research Laboratory who models fluid flow in sewer systems, the consequences of mass flushing would range from negligible to pipe explosions depending on where you are. We do share a line with the house next door to the main water pipe across the road, but next door activity has been ruled out – why would anyone turn a tap on and off at regular intervals for hours during the middle of the night and why in any case should it register on our meter? Watch this video to find out how to prevent water hammer in pipes by installing a water hammer arrester or water expansion tank in your water line. If some part of the system is turning on and off it could be water hammer. Water hammering commonly occurs when a valve is closed suddenly at an end of a piping system, and a pressure wave propagates in the pipe. It may also be known as hydraulic shock. Sometimes pipes bang and chatter when you turn off a faucet; the noise is called water hammer. However, we do recall that some . Water hammer commonly occurs when a valve is closed suddenly at an end of a pipeline system, and a pressure wave propagates in the pipe.