573493A Caleffi 1/2" Sweat X 1/2" NPT Dual Check Backflow Preventer

CAL573493A MFG #: 573493A
CAL573493A
  • Manufacturer Name: Caleffi
  • Specifications
  • Documents
  • Description
  • Pre-adjustable automatic filling valve with backflow preventer
  • Brass body
  • Max inlet pressure: 175 psi
  • Max working temp: 150F
  • Setting pressure range: 3 - 60 psi
  • Preset outlet pressure: 15 psi
Dual check continuous pressure backflow preventer with atmospheric vent. Certified to CSA B64.3 and ASSE 1012. 1/2" or 3/4" NPT female union inlet and outlet, or 1/2" union sweat inlet with 1/2" sweat union or 1/2" NPT female union outlet. Brass body, stainless steel filter, 35 mesh (0.474 mm), check valve in PSU, diaphragm and seals in EPDM. Maximum working pressure 175 psi (12 bar). Maximum working temperature 210F (99C). Emergency backpressure temperature 250F (120C).