• ATWOOD MORRIL Boiler Feed Check Valves 1
  • ATWOOD MORRIL Boiler Feed Check Valves 2
  • ATWOOD MORRIL Boiler Feed Check Valves 3
  • ATWOOD MORRIL Boiler Feed Check Valves 4
  • ATWOOD MORRIL Boiler Feed Check Valves 5
  • ATWOOD MORRIL Boiler Feed Check Valves 6

ATWOOD & MORRILL®

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.

Once installed, the valve can be inspected easily without removing it from the line and internals can be removed through the top cover. The closing mechanism can also be inspected easily without removing it from the valve by taking off the cyliner to expose the piston.

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

END CONFIGURATION

  • Weld End

UPGRADES & ADAPTATIONS

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

DOWNLOADS

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