Watts Water Hammer Arrestor Sizing

Explanation fixture unit sizing and selection table is used to select the required pdi unit water hammer arrestor.

Watts water hammer arrestor sizing.

Water hammer arrestors zurn plumbing products groupspecification drainage operation 1801 pittsburgh avenue erie pa 16502 phone 814 455 0921 fax. We have models for residential and commercial applications. These methods have created confusion regarding the proper sizing and location of water hammer arresters among engineers contractors and other persons engaged in the plumbing industry. This action protects against annoying and potentially damaging effects of water hammer.

Approved watts regulator water hammer arrester with p d i. It consists of a copper body with a lead free brass npt threaded hex adapter epdm seals and o rings polypropylene piston and cap. This 1 inch unit size f lead free water hammer arrestor is used in commercial and industrial applications to control water pressure shock and prevent water hammer conditions. There have been various methods devised for the sizing of water hammer arresters.

Sudden stoppage of water a non compressible liquid flowing at a given pressure and velocity causes a surge or spike of water and is called water hammer. Water hammer arrestors are used to absorb the shock when water flowing in a piping system suddenly stops due to fast closing shutoff valves dishwashers and clothes washers. Rule 2 covers multiple fixture branch lines which do exceed 20 ft. We offer water hammer arrestors to absorb the shock thereby eliminating noise and potential damage to the piping system.

Sizing and placement rule 1 covers multiple fixture branch lines which do not exceed 20 ft. To help clear up the confusion the following article was excerpted from the pertinent sections of the plumbing drainage. The series lf15m2 and lf15m2s water hammer arrestors are designed to eliminate this effect. It consists of a copper body with a lead free brass npt threaded hex adapter epdm seals and o rings polypropylene piston and cap.

Pdi dn code code fixture standard units in. Shock hammer arrestors our shock water hammer arrestors prevent water hammer in piping systems the cause of banging pipes which generally results from sudden changes in flow velocity. For hither details read standard. This 3 4 inch unit size b lead free water hammer arrestor is used in commercial and industrial applications to control water pressure shock and prevent water hammer conditions.