Water Hammering 1

[CNoronha]

What do you mean by Water hammering when a check valve is used in a pipe line

 

[BobPE]

improperly designed use of check valves is one of the main contributors to hydraulic transients, the slang name being watter hammer.

BobPE

 

[stanier]

Suggest you read ARD Thorley's Fluid Transients in Pipelines or go to

http://www.valmatic.com

and check out their technical papers on dynamics and selection of check valves

Sharing knowledge is a way to immortality

 

[swagger]

When a column of moving liquid (water?) (usually quickly) is suddenly stopped (the likes of a check valve - some worse than others)the energy of this column reverberates (back and forth) along the pipe line until dissipated - "hammer" is the result - much banging and crashing.
Usually a rethink of design as opposed to arrestors(like shock absorbers) is the go