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Recent content by EdwardDrg

  1. EdwardDrg

    Knowledge about ballast pump

    Hello, Buggar. basically, the marine ballast pump head is not very high, I mean, compared with the marine fire pump or marine cooling pump. Max head is usually below 100m. Yes, you are right, there is a kind of submersible ballast pump, this is very popular for the oil tanks. As for the seawater...
  2. EdwardDrg

    Knowledge about ballast pump

    Ballast Pump is also called ballast tank pump or ballast water pump. It is a pump for transferring or discharging water ballast. Ballast pump is a very important marine pump or marine water pump. Ballast pump delivery water in and out of the ballast water tanks. When it is loading, off-loading...
  3. EdwardDrg

    marine pump engineering

    Hello, everyone, I am a new number of eng-tips. With more than 5 years of experince in marine pump, I hope to provide some useful help for you in this area. I am familiar with nearly all kinds of marine pump, such as centrifugal, gear, screw...... for ballast, bilge, fire, cooling, oil...
  4. EdwardDrg

    witness pump test - items to watch for

    I once worked in a pump manufacture factory. If you want to witness the pump test, pay attention to: a. test pump capacity is several points, including the lowest and the highest. b. when pump in these capacity condition, record the pump discharge pressure and power. c. finnally you will have...
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