• ATWOOD&MORRILL Compressor Check Valves 1
  • ATWOOD&MORRILL Compressor Check Valves 2
  • ATWOOD&MORRILL Compressor Check Valves 3
  • ATWOOD&MORRILL Compressor Check Valves 4
  • ATWOOD&MORRILL Compressor Check Valves 5
  • ATWOOD&MORRILL Compressor Check Valves 6

Atwood & Morrill®

Compressor Check Valves

The Atwood & Morrill® Compressor Check valve is designed to provide positive protection for the blower or compressor. It offers positive protection against sticking or hang-up and insures rapid, reliable closing in the event of a trip-out or system shut down.

KEY FEATURES & BENEFITS

  • Tight sealing pressure
  • Low pressure drop
  • Power assisted quick closure
  • Oil dashpot to stabilize disc in flow stream
  • Shaft bellows to provide protect from foreign debris

FLUIDS

  • Hydrocarbon (cracked gas)
  • Ethylene
  • Propylene
  • Other process fluids

PRESSURE CLASS RANGE

  • ASME Class 150 to 300

TEMPERATURE RANGE

  • Cryogenic to 1,200ºF

UPGRADES & ADAPTATIONS

  • Air cylinder modification
  • Packing upgrade
  • Live loaded packing

APPLICATIONS

  • Fluid catalytic cracking air blower discharge
  • Compressor discharge & process application

DESIGN STANDARD

  • ASME B16.34

SIZE RANGE

  • 4 – 72 inches (100 – 1800 mm)

MATERIALS

  • Carbon steel
  • Alloy steel
  • Stainless steel
  • F91 Austenitic Stainless steel

END CONFIGURATION

  • Weld End
  • Flanged

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