Water Hammer Arrestors

Model / Series: EST

Built for demanding environments

Envotec EST series Water Hammer Arrestors are used to absorb the shock when water flowing in a piping system suddenly stops due to fast closing of shutoff valves, solenoid valves, dishwashers, washing machines, and similar applications. These arrestors protect against annoying and potentially damaging effects of water hammer. Recommended to install in residential and commercial applications.

In Compliance to: ASSE/ANSI 1010 Water Hammer Arrester Standard PDI WH-201 Water Hammer Arrester Standard

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Built for demanding environments

Key advantages

Body: Hard drawn copper with a custom internal mirror finish
Seal Lubricant: Dow-corning silicone compound, #111 FDA approved for use in the potable water system
Piston: Teflon
Seals: O-Rings(2), EPDM
Threaded Adaptor: Brass

Technical data

Max. Working Pressure: 350psi (24bar)
Max. Working Temperature: 250ºF (121ºC)