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Recent content by nasirqa1407

  1. nasirqa1407

    Engine Air Shut off Frequently Failure

    I have CAT Engine 3516C has frequent failure in the air shut off groups both sides (R&H). This failure simply described as while the engine is running in normal condition the gate of the air shut off turned off without any detection because of uncompleted closing. The engine remains running with...
  2. nasirqa1407

    Vertical Centrifugal Pumps

    Thank you LittleInch for responding. Find out the attachments please. http://files.engineering.com/getfile.aspx?folder=a88cdcce-f6ef-42ba-a3c0-38577e58a2f1&file=DWP.zip
  3. nasirqa1407

    Vertical Centrifugal Pumps

    I have vertical centrifugal pumps that designed to pump water. The pumps have negative suction head because they fitted above the suction tanks. That’s why we have Automatic Aspirators to prime the pump prior to run. I heard the negative suction head pump must run at the beginning against...
  4. nasirqa1407

    Merus German Technology

    Merus German Technology specially designed for Oil and Gas Industries’ infrastructure protection from Scaling, Corrosion & Bio Fouling in the Up & Down Streams. As you know that there are ever growing issues of Scaling, Corrosion, Fouling, Oil/water separation issues faced in days to day...
  5. nasirqa1407

    Condition Based Maintenance Program

    I have a huge number of Caterpillar engines for drilling operations in so many failed. When I concern the amount of our Preventive Maintenance is cost huge amount. Now, I'm thinking of using another strategy to maintain my equipment by establishing Condition Based Maintenance Program. Please...
  6. nasirqa1407

    Centerifugal Pump Pipe Design for 24hrs.

    Gents, In this case does our system suffer from cavitation due to high fluid temperature? What extera causes if its true.
  7. nasirqa1407

    Centerifugal Pump Pipe Design for 24hrs.

    micalbrch: This water supplied to mixing process which needs water in 24hrs.
  8. nasirqa1407

    Centerifugal Pump Pipe Design for 24hrs.

    The Pump Capacity is 400 GPM & the tanks have various volumes from 3000 to 10000 Gallons. Yes if there is transfer no heat existed but if we circulate from/to the same tank.
  9. nasirqa1407

    Centerifugal Pump Pipe Design for 24hrs.

    This is the drawing for this thread.http://files.engineering.com/getfile.aspx?folder=771d359e-b44d-46b5-aa2e-4ef7a922ad53&file=Water_Cycle.docx
  10. nasirqa1407

    Centerifugal Pump Pipe Design for 24hrs.

    Recentely, we faced problem when we run our water supply sestem to our tank. Our system consists of 5 tanks which they can be suction/return tanks depending in the valves. The suction lines of each tank connected to the suction header then to the pump suction inlet. The discharge lines connected...
  11. nasirqa1407

    ISO Code for Hydraulic Oil Cleanliness

    I referred to some website for ISO Code for Hydraulic Oil Cleanliness & I observed there are differences between the size of particles in each site. For example: 17/15/12: 17 is the quantity of particles greater than 2 micron. 15 is the quantity of particles greater than 5 micron. 12 is the...
  12. nasirqa1407

    Fastener failure in huge pump cover.

    Thank you all for you efforts. hydtools, They are the same grade type of strength. Additional Information: The main crankshaft bearing cover is attached by two big bolt 1 1/2" head size. Usually, I get one of them broken every 6 month PM. Consequently. the load in the main bearing will be...
  13. nasirqa1407

    Fastener failure in huge pump cover.

    I have a huge mud pump that has a big crank shaft case cover that installed 35 angeld degree. Originally, this cover is attached by 22 studs. As it is hard to install the cover we change those studs to standard fastener bolts. With 6 month later, we observed that most of the fastener bolts are...
  14. nasirqa1407

    Swing Check Valve Installation

    Please advise me regarding this obstacle we have in Swing Check Valve Installation? I have a centerfugal pump suction line that needs to fitted with swing check valve to keep the pump primed. but the problem is we can not installed the check valve correctly to set the window inspection in the...
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