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  1. Aptx4869

    Hydraulic Supply Piping to Actuator

    Thank you all. I will invite Parker Hannifin to a site visit for evaluation.
  2. Aptx4869

    Hydraulic Supply Piping to Actuator

    Normal Pressure is 2400 Psig Maximum Pressure is 3000 Psig
  3. Aptx4869

    Hydraulic Supply Piping to Actuator

    As per P&ID, Normal Temp is 115 F and Maximum Temp is 150 F. This is for the hydraulic oil For surroundings, I have to check. The actuator is on an open area but maybe subjected to nearby heat. I will check the tube surface temp by a temp gun Hoses are ok up to what Temp ?
  4. Aptx4869

    Hydraulic Supply Piping to Actuator

    Hi We have a hydraulic system controlling a stop valve for the steam turbine. As per OEM, it is required to do test for this valve on daily basis The supply oil to actuator is via a piping (hydraulic SAE flange) and the piping has a support. But I can see the piping sometimes vibrate during...
  5. Aptx4869

    Sizing Air Aftercooler

    Hi all I have an air extraction line from gas turbine compressor with 250 Psi pressure & 700 F Temp. This air is to be treated with aftercooler & pressure reducing valve and then to the air tank. The Desired final parameters are 90 Psi & maximum of 200 F which will be stored in instrument air...
  6. Aptx4869

    Air speed in a pipe

    not sure how the control system calculates the flow. I will have a look at it
  7. Aptx4869

    Air speed in a pipe

    Hi all, We have the below parameters taken from our control system, and using below data I calculated the air speed and got around 66.4 m/s which is quit high Data: Air Temp: 605 F Air Pressure: 121.6 psig Calculated mass flow rate (calculated by control system): 25.6 lbm/s Valve opening...
  8. Aptx4869

    Motor Shaft Failure

    electricpete Piece 2 is rotating and functions like slingers Point 3 being concetric or not, I will take a look at it again maybe tomorrow, since these are the only photos I have currently.
  9. Aptx4869

    Motor Shaft Failure

    attach 3https://files.engineering.com/getfile.aspx?folder=ff6d339e-260a-4e9b-a0e8-1b47b446ce52&file=IMG_20220511_130922_resized_20220516_061134356.jpg
  10. Aptx4869

    Motor Shaft Failure

    attach 2https://files.engineering.com/getfile.aspx?folder=e7d8e428-3480-4ca8-84ba-e67f1007d180&file=IMG_20220511_130928_resized_20220516_061134485.jpg
  11. Aptx4869

    Motor Shaft Failure

    attach 1 - Motor Mounting on pumphttps://files.engineering.com/getfile.aspx?folder=5424e289-0394-4607-bb73-8e9a295733ec&file=IMG-20220516-WA0002.jpg
  12. Aptx4869

    Motor Shaft Failure

    Thanks Tmoose Please see the how the hub is fitted in the shaft and condition of the teeth. teethes have wear on them (attached) I am not sure about the grid condition , but what I remember it was replaced and greased few months before the failure. For the TIR, when we measure with coupling...
  13. Aptx4869

    Motor Shaft Failure

    One thing I forgot to mention, if we measure the runout with coupling hub installed on pump shaft (coupling de attached from motor), we get 12 mils which tells there was some coupling eccentricity If we measure directly on the shaft (with coupling hub removed) we get 7 mils
  14. Aptx4869

    Motor Shaft Failure

    Hi BrianE22 No. Of course with coupling de attached. Also with coupling hub removed, so we can put the dial directly onto the shaft and see if there is any deflection We got a value of 7 mils on pump shaft as mentioned in the original post
  15. Aptx4869

    Motor Shaft Failure

    For alignments readings, we couldn't take the as found reading since the shaft was already broken
  16. Aptx4869

    Motor Shaft Failure

    Hi dvd The coupling size is 1060T and shaft size is 1 1/8" Just to clear one thing, What I mean by runout is shaft deflection where the dial base is fixed on pump housing or support and the dial pin is on the shaft. rotate by hand and see how much high spot is there. I know it is not common...
  17. Aptx4869

    Motor Shaft Failure

    one additional photohttps://files.engineering.com/getfile.aspx?folder=48f0cbb3-94c0-47c9-a9e5-01991998883a&file=IMG_20220511_130934_resized_20220515_061216535.jpg
  18. Aptx4869

    Motor Shaft Failure

    Hi All Recently we had a failure on a motor shaft (attached) the motor is vertical and connected to lube oil centrifugal pump via grid coupling After the failure, we confirmed both motor shaft and pump shaft are rotating freely The only finding was pump shaft runout to be 7 mils. We...
  19. Aptx4869

    Air Flow Rate (CFM) required to raise system pressure into 35 Psig

    Hello All We have a system described in the attached photo. We want to charge the system and increase its pressure into 35 psig so we can make a leak test on system flanges. We have 3/4 plug connection where we want to connect it into a portable air compressor. How can we calculate the...
  20. Aptx4869

    Side Entry Ball Valve - Leak From Bonnet Stud

    https://niccoengineering.com/product/online-leak-sealing-compound-nes-6c/

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