Conbraco 4A-505-A2F 1 in. Freeze Resistant PVB Backflow Preventer
The Apollo� Pressure Vacuum Breakers prevent contamination of the potable water supply due to back-siphonage. An integral freeze protection relief valve serves to reduce the possibility of damage due to intermittent freezing conditions. The modular check valve cartridge provides a captured spring, a replaceable seat and a reversal silicone seat disc. This Made in America assembly features Apollo� ball valves with stainless steel handles and nuts as standard and carries the five-year Apollo� factory warranty.
Features & Benefits
- Low pressure loss documented by independent approval agencies
- Built-in freeze resistance feature standard
- Easily removable modular check valve cartridge
- Captured stainless steel springs
- Apollo� ball valves w/ SS handles & nuts standard
- Test cocks located for easy draining
- Corrosion resistant
- No special tools required
- Unique canopy detachment
- Designed, cast, machined, assembled and tested IN THE USA
Approvals - Standards
- ASSE 1020 - (1/2" � 2")
- CSA B.64.1.2 - (1/2" � 2")
Performance Rating
- Maximum Operating Pressure 150 psi
- Temperature Range 33 �F � 140 �F
Material Specifications
- Part Name: Material
- Body, Ball Valves, Test Cocks: Bronze C84400 or C89836
- Canopy: UV-Resistant ABS
- Bonnet: Glass-Filled PPO
- Check Valve Cartridge: Glass-Filled PPO
- Springs: Stainless Steel
- Seat Discs: Chloramine-resistant Silicone
- Float: Glass-Filled Polypropylene
- O-rings: Chloramine-resistant EPDM
Manuals and Literature
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