Water hammer is not only a system issue; it is primarily a safety issue. Understanding the nature and severity of water hammer in a steamand condensate system, will allow facilities to avoid its destructive forces. This greater understanding should also help with introduction of preventative measures into system designs, steam system startups, maintenance and installations, which help provide maximum safety for personnel, reduce maintenance cost, and reduced systemdowntime. Water hammer; in its most severe form, can injure or even cause fatalities to plant personnel.

Water Hammer Is Never Normal; It Is Abnormal

Water hammer is not only a system issue; it is primarily a safety issue. Understanding the nature and severity of water hammer in a steamand condensate system, will allow facilities to avoid its destructive forces. This greater understanding should also help with introduction of preventative measures into system designs, steam system startups, maintenance and installations, which help provide maximum safety for personnel, reduce maintenance cost, and reduced systemdowntime. Water hammer; in its most severe form, can injure or even cause fatalities to plant personnel.

Unfortunately, 82% of the steam systems in North America are experiencing some type of water hammer. Many mistakenly believe that water hammer is unavoidable and a natural part of steam and condensate systems. This is entirely false. If the system is properly designed and correctly operated water hammer in any form will not occur. There are high pressure steam systems operating without water hammer and having long operational life from the steamcomponents.
* Red circles show improper connection to the condensate header.

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