Everlasting steam boiler manual blowdown valve
Everlasting valves were developed for steam boiler blow down nearly 100 years ago for abrasive solid particles
The packaged steam boiler industry in USA standardized on Everlasting valve rotating flat disc boiler blowdown valve
This boiler blowdown valve is available in Quick Opening or Slow opening configuration
They are manual on-off valves that effectively blow down sludge form in steam boiler
Boiler blowdown valves are based on ASME boiler & pressure vessel section I codes and ANSI B16.31 power piping codes.
Application include steam boiler blowdown, surface blowdown, water column drain and shut-off & stop valves