Van xả đáy lò hơi liên tục Gestra BA 28, BA 29, BA 210, BA 211
The valve is connected to the water space of the boiler. Precise adjustment of blowdown rate by turning regulating lever on the calibrated scale plate (see charts on back page).
With the regulating lever in blow-off position the capacity is approximately three times the capacity at scale division 100.
The BA includes a sampling valve for checking the boiler-wa- ter concentration.