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Recent content by 123design

  1. 123design

    Fire Pump Controller (VFD)

    ElecDar! Variable frequency Drive is not allowed for the Fire pump controller. However, if you elaborate your question then I can try to answer you question in more meaningfully. You can use DOL started or Y-Delta starter either it could be open transition or in closed transition. Selection of...
  2. 123design

    Viscosity or Absolute Viscosities

    I would recommend you to look into either Mark's Hand Book or Career Hand Book of HVAC. Nagesh Hegde
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