Forged 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 Cryogenic forged valves available. DSI forged steel valves contain no copper bearing alloys.

PRODUCT RANGE

Flanged
Gate / Globe / Check

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.

PRODUCT RANGE

Threaded & Socketweld
Gate / Globe / Check

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.

PRODUCT RANGE

Take-Off Type
Gate / Globe / Check

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.