Forged Steel Gate, Globe & Check

  • All DSI® forged carbon steel valves maintain a .22% maximum carbon content and are normalized to further refine the grain and homogenize the microstructure.
  • Every DSI Forged Steel valve is NACE compliant.
  • Gland Packing: Die-formed Graphite Rings with Braided Graphite Top and Bottom Wiper Rings.
  • All flanged DSI forged steel valves are integrally forged.
  • Bonnet designs included bolted, union and welded construction.
  • Bellow Seal and Cryohenic forged valves available.
  • DSI forged steel valves contain no copper bearing alloys.

Forged Flanged End Valves

DSI® offers a complete line of Integrally Forged Flanged End Gate, Globe and Check valves.

  • Size Range: 1/2″ thru 3″ (3″ Class 150 only)
  • Class Range: 150-2500
  • Pressure Bonnet Style: Bolted or Welded Bonnet Construction of Outside Screw and Yoke Design.
  • Materials: A105N, LF2, LF3,F11, F22, F5, F9, F91, F304/L, F316/L, F317/L, F321, F347, Alloy 20. Specialties- Inco & Hast Alloy and Duplex Alloys
  • Bellow Seal and Cryogenic Valves available.
Available Literature & Data

Threaded and Socket Weld Valves

DSI® offers a broad range of Forged Steel Gate, Globe and Check valves in threaded and socketweld end connections.

  • Size Range: 1/4″ to 2″
  • Pressure Class: 800 to 4500, inlcudes Class 1690 and 2680
  • Bonnet Design, Bolted, Welded or Union Bonnet construction of either Inside Screw design or Outside Screw and Yoke design.
  • Materials: Carbon- A105N, LF2, LF3. Chromes- F11, F22, F5, F9, F91. Stainless- F304/L, F316/L, F317/L, F321, F347, Alloy 20. Specialties- Inco and Hast Alloy and Duplex Alloy
  • Bellow Seal, Cryogenic and Y Pattern Valves available.

Take-Off Type Valves

The DSI® Forged Integrally Reinforced External Body (IREB) Take-off valves are available from stock in a wide range of materials and end connection combinations.

  • Size Range: 1/2″ thru 2″
  • Pressure: 1500
  • Bonnet Design: Welded and Bolted Bonnet Construction of Outside Screw and Yoke Design.
  • Materials: A105N, LF2, LF3,F11, F22, F5, F9, F91, F304/L, F316/L, F317/L, F321, F347, Alloy 20. Specialties- Inco & Hast Alloy and Duplex Alloys
  • Configurations: Integrally Reinforced Extended Body (IREB), Male Threaded, Male 5W, Male Couplett.