Apollo 4A50502F Bronze Freeze Resistant Pressure Vacuum Breaker with Ball Valve and SAE Threaded Test Cocks, 1" Size

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. Low pressure loss. Compact yet easy to maintain. No special tools required. Unique canopy detachment. Patent pending. Easy maintenance. Maximium operating pressure 150 psi. Design pressure 300 psi. 33/140 degrees F Temperature range. Bronze body. UV Resistant ABS Canopy. Glass-Filled PPO bonnet and check valve cartridge. Stainless steel springs. Chloramine-resistant silicone seat discs. Glass-Filled polypropylene float. Chloramine resistant EPDM O-rings. Stainless steel ball valve handles.