Nishtha Engineering Services

Fabricated Steel Butterfly Valves



Fabricated Steel Butterfly Valves

Size 6″ to 120” (150 mm to 3000 mm)
Pressure Rating PN6, PN10, PN16
Design Standard AWWA C 504, AWWA C 516, EN 593, ISO 5752

These are fabricated steel butterfly valve developed as an alternate for cast iron butterfly and sluice valves in water distribution systems. The highly reliable valve also finds application in power plants, utility and fire water lines, and HVAC systems. Customized valves can be used to handle air, gases and vacuum services. The valve has successfully under gone Proof of Design (POD) test as per AWWA C 504 and AWWA C 516.

The key feature of these  Fabricated Steel Butterfly Valve is a Self-energizing Disc Seal that uses line pressure to provide assured sealing.

Salient Features:

  • Self-energizing Disc Seal – Bi-directional bubble-tight sealing
  • Assured Sealing to Atmosphere
  • Lighter and Stronger Construction
  • Lower Torque, Longer Life
  • Maintenance-free Bearings

Versatile Range:

  • Pressure ratings: PN6, PN10 and PN16
  • Body materials: Carbon Steel IS 2062, A 516 Gr.70, SS 304, SS 316
  • Seat options: Nitrile Rubber, EPDM, Viton
  • Specials: Ebonite-lined valves for sea water applications, Special sealing systems for vacuum services, Butt-weld ends


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