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Throttle valves are used for incoming and exhaust air control in the field of pipeline construction. Schmelzer manufactures pipelines and throttle valves. Special sizes and materials can be realized at any time on request.


  • superior roundness
  • Schmelzer flanged edge
  • calibrated inside
  • in welded construction for closing, throttling and controlling
  • single piece valves leaf
  • easy replaceable valves leaf (without demounting)
  • easy replaceable abrasion parts
  • modular pipework system with standard parts