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- 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.
VacuRester™ Vaccume Breaker Arrester, Series: 652, 1/2 in Nominal Size, MNPT, 350 psig, 250 deg F, Copper Body, 6-1/2 in L x 1-3/8 in W, Domestic
- To prevent cavitation and accompanying water hammer within the extra long tub spout tubes and or shower risers of high flow fixture, such as garden tub valves and multi head shower valve
- Unlike atmospheric vacuum breaker device that can leak or spin, the VacuRester's™ closed atmosphere chamber serves as a short duration vacuum breaker without the chance of leak
- Recommended by Kohler® Company for their high flow tub valves such as their SOK™ series fixture
- Installation for high flow tub valves with long spout tubes, install 652 AD VacuRester on spout tube, in between tub valve and spout, within one foot of the tub valve for high flow shower valves, install 652 AD VacuRester on shower risers, in between shower valve and shower head, within one foot of the shower valve
- Poly piston with two EPDM O-ring piston, copper MIP thread male thread fitting, dow corning 111 FDA approved silicone compound piston lubrication
- 2.900 psig burst tested
- For high flow lines with shut off valve in the middle of pipe runs, install VacuRester on non pressure side, within one foot of shut off valve
- Pipe sizes 1/2 in thru 1 in, install 652 AD
- Pipe sizes 1-1/4 in thru 3 in, install 657-FD
- Domestic / ImportDomesticEnd StyleMNPTNominal Size1/2 inPressure Rating350 psigBody MaterialCopperDimensions6-1/2 in L x 1-3/8 in WManufacturerSioux ChiefManufacturer #652-ADSeries652Temperature Rating250 degF