Guide to OS&Y Valves for Fire Protection Systems - QRFS.com
https://blog.qrfs.com/405-guide-to-osy-valves-for-fire-protection-systems/
How Do OS&Y Gate Valves Work?OS&Y Valves Often Serve as Control ValvesBenefits of OS&Y Valves—Lower-Friction Control of The Water SupplyInspection, Testing, and Maintenance of An OS&Y Valve In fire protection, OS&Y valves are often used as control valves, which govern water flow to a fire sprinkler or standpipe system and possibly sections of it. If the main control valve is closed, the system is effectively “off,” rendering it useless. Every sprinkler system needs at least one main control valve—usually on the riser between the water...
In fire protection, OS&Y valves are often used as control valves, which govern water flow to a fire sprinkler or standpipe system and possibly sections of it. If the main control valve is closed, the system is effectively “off,” rendering it useless. Every sprinkler system needs at least one main control valve—usually on the riser between the water...
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