Welcome to Sonar-DNB Group of companies, manufacturer of Paper Machine Hood, Coating Dryer & Yankee Hood.


SERVICES WE PROVIDE


Sonar-DNB group can provide following services:

  • Site survey with regard to PM Hood & Air Systems for new projects
  • Performance assessment of existing hood & air systems
  • Measurement of airflow, air pressure, dry bulb & wet bulb temperatures, humidity, dew point etc.
  • Paper machine air balance surveys
  • General ventilation system surveys
  • Dryer pocket surveys
  • Energy surveys with regard to PM Hoods.
Standard Project Management:
  • Project planning, preparation of Bar Chart, PERT- CPM Network
  • Drawings, general arrangement drawings- preparation, review and submittal
  • Detailed fabrication drawings
  • Take-off documentation for purchasing
  • Purchase Requisition
  • Vendor selection and specification review
  • Coordination with customer project engineer
  • Meeting with fabrication shops, coordination of materials delivery
  • Inspection of all fabrication as well as field installation
  • Preparation of systems operations manuals, certified drawings
  • Installation & fitting at site
  • Final review and start-up assistance




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