4" Double Check Assembly OSY Valve Fire Protection Backflow Preventor Valve reliable water supply it reduces maintenance intervals and

it reduces maintenance intervals and ensures consistent fire safety performance

providing superior mechanical durability and resistance to corrosion under high-pressure fire system conditions

Precise Moisture Monitoring: Designed to accurately detect the presence of moisture in compressed air

Its inline modular design

enhancing overall system responsiveness and reliability—key factors to protect lives and property effectively

4" Double Check Assembly OSY Valve Fire Protection Backflow Preventor Valve reliable water supply it reduces maintenance intervals andThe 4" Double Check Assembly with OS&Y Valve from Ames Backflows is an essential backflow preventor engineered specifically for robust fire protection systems. This critical component ensures a secure and compliant water supply by effectively preventing backflow contamination, making it ideal for both new installations and upgrades in commercial and residential properties. Durable Construction: Crafted from high grade materials, this assembly is built