Boiler Feed Check Valves

Positive Closing Check valves are designed to effectively prevent reverse flow and are ideally suited for high pressure feedwater and steam applications. The design uses a one-piece disc and relatively few moving parts to minimize operating difficulties and simplify maintenance.

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Description

KEY FEATURES & BENEFITS

  • “Double protection” including positive closure and power assisted closure
  • Streamlined flow design minimizes pressure drop
  • Fast closing design minimizes water hammer

APPLICATIONS

  • Boiler feed pump discharge
  • Condensate pump discharge
  • Heater drains
  • Main steam
  • High pressure feedwater

DESIGN STANDARD

  • ASME B16.34

PRESSURE CLASS RANGE

  • ASME 900 to 2500

SIZE RANGE

  • 4 – 24 inches (100 – 600 mm)

TEMPERATURE RANGE

  • Up to 1,200ºF

MATERIALS

  • Cast carbon
  • Alloy
  • Stainless steel
  • F91 Austenitic Stainless steel

END CONFIGURATION

  • Weld End

UPGRADES & ADAPTATIONS

  • Air cylinder modification
  • Packing upgrade
  • Live loaded packing
  • Replace hard seal with graphite seal

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