FFA-TJR Gate Valve – Outside Screw & Yoke (OS&Y)

FFA-TJR Gate Valve – Outside Screw & Yoke (OS&Y)

Description

TJR OS&Y Gate Valve – Outside Screw & Yoke Fire Protection Isolation Valve

The TJR Outside Screw & Yoke (OS&Y) Gate Valve is a reliable isolation valve designed for use in fire protection, water distribution, and industrial piping systems. Its rising stem design provides a clear visual indication of valve position, making it a preferred choice for applications where open/closed status monitoring is important.

Built with a durable ductile iron or cast iron body and corrosion-resistant internal components, the TJR OS&Y Gate Valve delivers dependable shut-off performance and long service life. The resilient seated wedge design (model dependent) helps provide effective sealing and supports reliable system operation.

The OS&Y configuration allows easy inspection of valve position, making it suitable for sprinkler system control assemblies, pump rooms, and other critical water supply applications requiring dependable isolation.

Key Features:

  • Outside Screw & Yoke (OS&Y) gate valve design
  • Rising stem provides visible open/closed valve indication
  • Reliable isolation and shut-off control
  • Durable ductile iron or cast iron body construction
  • Resilient seated wedge design for effective sealing
  • Manual handwheel operation
  • Suitable for fire protection and water system applications
  • Designed for long service life and easy maintenance

 

Applications:

  • Fire sprinkler systems
  • Fire pump installations
  • Commercial buildings
  • Industrial facilities
  • Water supply networks
  • Mechanical rooms
  • Fire protection control assemblies

 

Technical Highlights:

  • Available sizes and pressure ratings depend on manufacturer specifications
  • Connection options vary by model, including flanged, grooved, or threaded configurations
  • Material and sealing options depend on application requirements
  • Certification approvals should be verified for the exact TJR model

Technical Specification

 

Specification Details
Valve Type Resilient-Seated Gate Valve – Outside Screw & Yoke (OS&Y)
Model TJR
Application On/off isolation and shut-off control in fire protection systems
Size Range DN50–DN400 (2″–16″)
Body Material Ductile Iron
Wedge Ductile iron wedge, fully encapsulated with EPDM rubber
Seat / Resilient Seal EPDM
End Connections Flange × Flange, Flange × Groove, or Groove × Groove
Operation Rising stem with handwheel
Maximum Working Pressure 300 psi (20.7 bar) for 2–12″; 250 psi (17.2 bar) for 14–16″
Features Corrosion-resistant components; tapping bosses for upstream and downstream trim connections