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- The Apollo™ Model PVB 4A Pressure Vacuum Breakers are designed to prevent contamination of potable water due to back-siphonage. An integral relief valve serves to reduce the possibility of damage due to intermittent freezing conditions. The modular check valve cartridge has a replaceable seat and a reversible silicone seat disc. Apollo™ ball valves with stainless steel handles and nuts are standard.
Apollo™ Backflow Preventer, Series: PVB4A, 3/4 in Nominal, 150 psi, 33 to 140 deg F, Pressure Vacuum Breaker Backflow, Bronze Body
- Modular cartridge check valve
- Low pressure loss
- Built-in freeze resistant relief valve
- Compact yet easy to maintain
- Apollo ball valves with stainless steel handles and nuts standard
- Test cocks located for easy draining
- Threaded testcock protectors
- Corrosion resistant
- Unique canopy detachment
- SAE Threaded Test Cock(Standard), Stainless Steel Handles and Nuts
- Backflow TypePressure Vacuum BreakerBody MaterialBronzeNominal Size3/4 inManufacturerApollo ConbracoManufacturer #4ALF504A2FPressure Rating150 psiSeriesPVB4ATemperature Rating33 to 140 degF