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- The backflow preventer can be used in all systems where there is danger of the potable water supply system being contaminated. It prevents an accidental reduction in the pressure in the distribution system from causing backflow from contaminated water in user installations.
Caleffi AutoFill™ Combo Automatic Filling Valve, Pre-Adjustable, Series 574, 3/4 in Nominal Size, FNPT, 140 psi, 140 deg F, Media: Water, Brass Body, NBR Diaphragm/Seal, 18-3/8 in L
- 0 to 60 psi Pressure Gauge, Testable Backflow Preventer and 535051A Automatic Filling Valve
- Body MaterialBRASSEnd StyleFNPTNominal Size3/4 inPressure Rating140 psiDimensions18-3/8 in LManufacturerCaleffiManufacturer #574151AMediaWaterSeries574Softgoods MaterialNBR Diaphragm / SealTemperature Rating140 deg FTypePre-Adjustable