The Fire OS&Y Gate Valve Grooved, 2½ inch, is designed for flow isolation in compatible fire protection piping systems. Its Outside Screw and Yoke (OS&Y) design features a rising stem that provides a visible indication of the valve position. The grooved-end connection allows installation with compatible grooved piping and couplings. The specified pipe size is 73 mm, and the product weight is 9.50 kg.
Meets International Safety Standards
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The Fire OS&Y Gate Valve Grooved 2½ Inch is a fire protection valve designed to open or close the flow of water within compatible fire-fighting piping networks. It is intended for applications where dependable isolation of a section of the system is required for operation, inspection, or maintenance.
The Outside Screw and Yoke (OS&Y) mechanism features a rising stem that helps operators visually identify whether the valve is open or closed. Its grooved-end connection is designed for use with compatible grooved pipes, couplings, and fittings, potentially simplifying installation where grooved piping systems are specified.
This valve may be suitable for fire sprinkler and fire-fighting water distribution systems when its pressure rating, design, and required fire protection approvals meet the project specifications. Installation and maintenance should follow the manufacturer’s instructions and applicable requirements.
Certified Standard
| Product Name | Fire OS&Y Gate Valve |
| Valve Type | Outside Screw and Yoke (OS&Y) Gate Valve |
| Nominal Size | 2½ inches |
| Stated Pipe Size | 73 mm |
| Weight | 9.50 kg |
| Connection Type | Grooved End |
