Controllable, reduced pressure zone backflow preventer, standard version. Flanged connections.

CALEFFI, 575106. Controllable, reduced pressure zone backflow preventer, standard version. Flanged connections. To be coupled with flat counterflanges EN 1092-1. BA type. Upstream of the backflow preventer is mandatory to install a strainer 579 series. Certified to EN 12729. Connection: DN 65 (EN 1092-1) PN 10. Differential operating pressure: 14 kPa. Medium temperature range: 5–65 °C. Nominal pressure: PN 10. Finish: coated. Material: cast iron.

CALEFFI, 575108. Controllable, reduced pressure zone backflow preventer, standard version. Flanged connections. To be coupled with flat counterflanges EN 1092-1. BA type. Upstream of the backflow preventer is mandatory to install a strainer 579 series. Certified to EN 12729. Connection: DN 80 (EN 1092-1) PN 10. Differential operating pressure: 14 kPa. Medium temperature range: 5–65 °C. Nominal pressure: PN 10. Finish: coated. Material: cast iron.

CALEFFI, 575110. Controllable, reduced pressure zone backflow preventer, standard version. Flanged connections. To be coupled with flat counterflanges EN 1092-1. BA type. Upstream of the backflow preventer is mandatory to install a strainer 579 series. Certified to EN 12729. Connection: DN 100 (EN 1092-1) PN 10. Differential operating pressure: 14 kPa. Medium temperature range: 5–65 °C. Nominal pressure: PN 10. Finish: coated. Material: cast iron.