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Caleffi 573503A - 3/4" Female NPT Series 573 Dual Check Backflow Preventer with Intermediate Atmospheric Vent.
This Caleffi 573503A backflow preventer with atmospheric vent is designed to protect drinking water systems from the return, caused by back-siphonage or back-pressure, of contaminated fluids.
Technical Specs:
| Size: |
3/4" connection |
| Max Temp (F): |
210°F |
| Max Pressure (PSI): |
175 PSI |
| Connection Type: |
FNPT x FNPT |
| Connection Method: |
Threaded Female ends |
| Material: |
Brass construction |
Product Features:
- Brass body construction.
- Low lead brass body.
- Stainless steel filter.
- PSU check valve.
- Brass check valve stem.
- Peroxide-cured EPDM diaphragm.
- Peroxide-cured EPDM seals.
- Max. working pressure: 175 psi.
- Working temperature range: 32-210°F.
- ASSE 1012 listed and CSA B64.3 certified.
- SKU: Caleffi 573503A
Product Specs: