OS&Y Gate Valve

SFFECO OS&Y (Outside Screw & Yoke) Gate Valves are designed to start or stop fluid flow with clear visual indication of valve position. Ideal for fire sprinkler, hydrant, and foam systems, these valves provide reliable operation, easy maintenance, and long-term durability. Suitable for water, foam, or other firefighting systems, they ensure the integrity and uninterrupted performance of the fire protection system.

Common Applications:

• Fire sprinkler systems
• Hydrant systems
• Foam systems
• Pump system lines

Features & Benefits:

• Outside Screw & Yoke (OS&Y) design provides clear indication of valve position
• High-temperature variants available for specialized systems
• UL Listed / FM Approved for firefighting applications
• Compliant with NFPA standards
• Larger sizes available for main supply lines
• Minimal maintenance required
• Easy inspection and replacement of seals
• Smooth operation with reliable sealing
• Provides full shut-off or flow control in fire protection systems
• Clear visual indication of valve position
• Protects pumps and downstream equipment
• Long service life with corrosion-resistant materials
• Durable and reliable in critical applications

UL Certificates

Brochure