Tomahawk VacuRester™ Vaccum Breaker Arrester, 1 in Nominal, MNPT, 350 psig, 250 deg F, Copper Body, EPDM O-Ring, 15-1/8 in L x 2-1/8 in W, Domestic
Sioux Chief 652-AD or 657-FD piston-type closed-atmosphere vacuum breaker arrester shall be required where the piping system is subject to cavitation on the non-pressure side of a quick closing valve. Vacuum breaker arrester shall be effective when installed at any angle, and with no access panel required. Vacuum breaker arrester shall be sized and placed per manufacturer's instructions.