Main prod. Group survey   Industriegruppenübersicht  
  deu 		  Résumé de groupes industriels  
  fra 		  Sumario de grupos industriales  
  esp

41

Environmental, waste disposal and recycling technology

Heat-economical installations

Heat exchangers

2117.11

Waste gas heat exchangers

2117.21

Tubular heat exchangers

2117.22

Flat tube heat exchangers

2117.24

Ribbed tube heat exchangers

2117.27

Double-pipe heat exchangers

2117.34

Spiral heat exchangers

2117.37

Plate heat exchangers

2117.41

Finned heat exchangers

2117.47

Heat exchangers for the chemical industry

2117.51

Heat exchangers for ventilation apparatus and systems

2117.61

Graphite heat exchangers

2117.79

Rotary heat exchangers

2117.99

Heat exchangers as special construction