Assist air cylinder check valves


  • ATWOOD & MORRILL free flow reverse current check valves (WEIR). Air assisted.
  • Designed to protect steam turbines: cold reheat and extraction; compressor dumping, boiler feedwater pumps, etc.
  • Hermetic seal and very low pressure loss.
  • Includes air assisted shut-off to ensure operation in the case of an event on the machine it is protecting.
  • Fast and secure shut-off with no pressure surge
  • Allows manual confirmation of shaft unblocking during the process.
  • Monitoring of valve opening and shut-off.
  • Recommended by GE, UOP, Kellog, Foster Wheeler, etc.
  • Nuclear service: ASME Section III N-Stamp, with references in Spanish Nuclear Power Stations.

Robrenyo 11-15, Local 4

08014 Barcelona (Spain)

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