Dūmtraukis su apvalia traukos reguliavimo sklende      

  

To be mounted in the flue and in the vertical part of the chimney. It provides flow of air in the chimney without cooling of the boiler during pauses in operation of the boiler, and it makes draught limitation possible. 

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# dn
  [mm]
1 113
2 120
3 130
4 140
5 150
6 160
7 180
8 200
9 225
10 250