The Granite Group WWW | 573493A Caleffi 1/2" Sweat X 1/2" NPT Dual Check Backflow Preventer

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

Part #CAL573493A

MFG #573493A

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Manufacturer Name : Caleffi

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

Install Instructions

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).