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NRS Flanged Gate Valves

Series 408-OSY-RW OS&Y Flanged Gate Valves are used in fire protection applications for fire main shutoff. They feature an epoxy coated cast iron body with flanged connections, resilient wedge disc, and cast iron handwheel. They are UL/FM listed and comply with MSS-SP-70. Maximum Pressure is 250psi (17.2 bar) CWP.


  • Sizes: 2 1⁄2 in. – 12 in. (65 – 300mm)
  • Best suited for either the fully open or closed position but is suitable for use as a throttling valve
  • Easy in line service and replaceable disc
  • Used in fire protection applications for fire main shutoff

Select a Model

Select options below to identify the UPC, Order Code, and Repair Kit for a specific 408-OSY-RW

Approval Information

For approval information, please refer to the products specification sheet. For any other information on product certification and documentation information, please visit our certification partner websites: