#405 – Guide to OS&Y Valves for Fire Protection Systems
An OS&Y valve is a type of gate valve used in sprinkler and standpipe systems as a control valve. Read this guide to when and why they are used.
- Fire Sprinklers
- Pipe
- Signs & Decals
- Test & Monitor
- FDCs
- Valves
- Fire Hose & Hydrants
- Fire Extinguishers
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