OS & Y Gate Valve

The OS & Y Gate Valve (Outside Screw & Yoke) is a high-performance bi-directional isolation valve designed for reliable water flow control in fire protection systems, fire pump rooms, sprinkler systems, and industrial pipelines. Its rising stem design provides a clear visual indication of the valve’s open or closed position, ensuring safe and efficient system operation. Built with a durable body and corrosion-resistant Fusion Bonded Epoxy (FBE) coating, it delivers long-lasting performance in demanding environments.

Key Features

• Available Models: SD-OSY175GV, SD-OSY200FF-D, SD-OSY250FF-D & SD-OSY300FF-D
• Bi-directional flow (Forward & Reverse)
• Outside Screw & Yoke (OS&Y) rising stem design
• Working Pressure: 175 PSI, 200 PSI, 250 PSI & 300 PSI
• Flanged ends to ANSI B16.1 Class 125
• Durable cast/ductile iron body
• Bronze mounted solid wedge (SD-OSY175GV)
• Fusion Bonded Epoxy (FBE) coating internally & externally
• Pregrooved stem for supervisory switch (SD-OSY175GV)
• Conforms to ANSI/AWWA C550 & MSS SP-70
• Ideal for fire pumps, sprinkler systems, water supply, and industrial applications