Water Hammer Arrestor Sizing And Placement

Water hammer arresters standard pdi wh 201 revised 2010 certification sizing placement reference data the plumbing and drainage institute 800 turnpike street suite 300 north andover ma 01845 phone. Sizing and placement as shown above it has been established that the preferred location for the water hammer arrestor is at the end of the branch line between the last two fixtures served. Sizing and placement rule 1 covers multiple fixture branch lines which do not exceed 20 ft.

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Then tighten it a bit more with tongue and groove pliers but be careful not to overtighten.

Water hammer arrestor sizing and placement.

Sizing and placement data the members of pdi set out to establish a uniform method of sizing for water hammer arresters. Shokstop sizing single and multiple fixture branch lines the shokstop sizing procedure described below conforms to plumbing and drainage institute standard pdi wh201. For example a sioux chief 660 series water hammer arrestor contains 1 4 cubic inches. They sponsored a research and testing program with the intention of producing one standardized method of sizing and placement.

Water hammer arrestors should be placed as close to the source of shock as possible. The physics of water hammer. Thread a water hammer arrester onto each water supply valve making it hand tight. Fixture unit listing determine the total number of fixture units on each branch line by referring to the.

The selection the solution. Such a method would benefit the entire plumbing industry. An engineered arrester employs a measured compressible cushion of air or gas which is. There should be an unobstructed path from the shock source to the water hammer arrestor.

Both hot and cold water branches should have arrestors. Rule 2 covers multiple fixture branch lines which do exceed 20 ft. Is the installation of an engineered water hammer arrester. The science the appendix.

They sponsored a research and testing program with the intention of producing one standardized method of sizing and placement. Shokstop selection is based on total fixture units on each branch line. Such a method would benefit the entire plumbing industry. Typically a smaller residential type water hammer arrestor has 1 2 cubic inches in volume and can handle one to four plumbing fixtures.

Explanation fixture unit sizing and selection table is used to select the required pdi unit water hammer arrestor. Commercial arrester sizing placement. In figure 1 two shock. Sizing and placement data the members of pdi set out to establish a uniform method of sizing for water hammer arresters.

Industrial arrester sizing placement. The location of the water hammer arrestor shown above applies to branch lines that do not exceed 20 feet in length from the start of the.