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Atwood & Morrill® FREE FLOW Reverse Current Valve

»Products»Valves By Brand»Atwood & Morrill®»Atwood & Morrill® FREE FLOW Reverse Current Valve

Atwood & Morrill® FREE FLOW Reverse Current Valve

Atwood & Morrill FREE FLOW Reverse Current Valves are designed to give maximum protection to extraction steam turbines.

Atwood & Morrill® FREE FLOW Reverse Current Valves are designed to give maximum protection to
extraction steam turbines. Their rapid, tight closure ensures that the high level of energy found in
feedwater heaters or process lines is quickly isolated from the turbine in the event of a load rejection.

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Key features/benefits:

Free swinging disc allows independent movement of the disc with assured closure upon loss or reversal of flow. Inclined seat design optimizes performance with low pressure drop and fast closure. Self-aligning disc & disc arm assures repeatable tight sealing. Air CYlinder porovides closing moment to shaft upon control room signal.
Lost motion feature enables valve disc to close independently of the air cylinder position.

Applications:

Steam turbine protection
Extraction steam non-return
Bleeder trip & bled steam non-return

Specification:

  • Design standards: ASME B16.34
  • Pressure class range: ASME Class 150 to 2500
  • Size range: 3″” to 48″” (80 mm to 1100 mm) & Larger
  • Temperature range: Up to 1,200ºF
  • Materials: Carbon steel, alloy steel, stainless steel
  • Upgrades/Adaptations: Air cylinder modification, Packing upgrade, Mechanical seal replacement, Live load packing

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    Trillium Flow Technologies™, founded on a legacy of premier products and service, will continue to provide mission critical valves, pumps and aftermarket services in oil and gas, power generation, water and wastewater, and general industry.

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