| 摘要 |
The present invention provides a water hammer arrestor (500) which can be easily built, minimize a part protruding to the outside after being built, and ensures reliability of an operation. The water hammer arrestor (500) includes: a flange (100); a guide (200) installed to protrude from the flange; a corrugated bellows (300) which is installed in a through hole part configured by the flange (100) and the guide (200); a coil spring (350) installed in the corrugated bellows (300); and a lid (150) which supports an end of the coil spring (350) and is coupled to the flange (100) to seal the corrugated bellows (300). |
