573009A Caleffi 1/2" 573 Backflow Preventer and AutoFill Combination (Sweat x NPT)
Automatic filling valve with backflow preventer Pre-adjustable automatic filling valve with backflow preventer. IN connection: 1/2", sweat union. OUT connection: 1/2" FNPT. Maximum working pressure: 175 psi. Maximum upstream pressure: 175 psi. Medium temperature range: 41–150 °F. Setting: 15 psi. Adjustment pressure range: 3–60 psi. Pressure gauge scale: 0–60 psi (0–4 bar). Material: brass.
573 AutoFill Combo
Pre-adjustable automatic filling valve with backflow preventer.
Max. inlet pressure: 175 psi.
Max. working temperature: 150°F.
Preset outlet pressure: 15 psi.
