Continue to Site

Eng-Tips is the largest engineering community on the Internet

Intelligent Work Forums for Engineering Professionals

  • Congratulations cowski on being selected by the Eng-Tips community for having the most helpful posts in the forums last week. Way to Go!

Search results for query: *

  1. migueldiazch

    Pressure vessel boot sizing

    Hello everyone, Searching the internet I found the BN-EG-UE109 Guide for Vessel Sizing which stablish that the sizing of the boot diameter shall satisfy the following criteria "The boot diameter shall not be more than 0.5 times the vessel diameter", our practice stablish that for vessel...
  2. migueldiazch

    Percent Head Rise" and "Percent Head Reservation

    Reviewing some Project BID Tabulation documents for API 610 Pumps I found the term "Percent Head Rise" and "Percent Head Reservation" as a requested specification. For some services the Percent Head Rise was limited to >120 for others the number was <120 and in some service there were no...
  3. migueldiazch

    Gasket issue

    Hello, The MEA filters that you can see in the attached file uses spiral wound gasket for the cover flange with hoop: 304, filler: graphite, inner ring: 304 and outher ring: C.S, we do not have that gasket availlable right now. Can we make a gasket from some material sheet and use it instead of...
  4. migueldiazch

    Coil pressure testing

    According with API 560. Fired Heaters for General Refinery Service, coils shall be hydrostatically tested to a minimum pressure equal to 1,5 times the coil design pressure, but I am confused if this criteria applies just for new Fired Heaters. What would be the criteria for Fired Heaters that...
  5. migueldiazch

    Steam turbine bearing housing repair

    Hello, I am looking for some advise about how to repair some craks on a cast iron NDE bearing housing next to ball bearing working area. See attached file. Regards. M.D
  6. migueldiazch

    Hot-tap activity

    We are planning to perform a double hot-tap and stopple on 10" pipe SCH STD with AGO as a process fluid from a distillation tower. The pressure for the process is 54 psi and the temperature is 440°F. The hot-tap company asked us for a maximun velocity through the pipe of 4 feet/sec. We have an...
  7. migueldiazch

    Hot-tap activity

    We are planning to perform a double hot-tap and stopple on 10" pipe SCH STD with AGO as a process fluid from a distillation tower. The pressure for the process is 54 psi and the temperature is 440°F. The hot-tap company asked us for a maximun velocity through the pipe of 4 feet/sec. We have an...
  8. migueldiazch

    Potencial Transformer issue

    Hello, I am trying to evaluate the factibility for replacing one Potencial Transformer, reviewing the plate data we found that the only difference between the one that we want to replace and the one that we have available are the Accuracy Burden and the Thermal Rating. Accuracy Burden...
  9. migueldiazch

    Motor stator failure

    Hello, In May 2008 trying to diagnose a motor for noise, we did a vibration analysis an saw in the spectrums some signs of internal rub. We decided to remove the stator and found the squirrel cage broken (se attachment "May2008 failure") the motor was a GE 591 HP, Model: 5K82094062501, Poles: 2...
  10. migueldiazch

    Minimum retirement pipe thickness

    Hi, Does anybody know how to calculate minimun retirement pipe thickness for heaters? I am locking for some application because the process using API 530 seems quite difficult. Regards, Miguel Diaz.
  11. migueldiazch

    Minimum retirement thickness for heaters pipe

    Hi, Does any body know about a software for calculating minimum retirement thickness for heaters piping? I was checking API 530 and the process looks quite difficult. Best regards, M. D.
  12. migueldiazch

    Coupling repair

    By mistake the hub of one coupling Rexnord type AMR size 700 used in our compressors was over bore by 0.005", the bore should be 5,620" and it was machined to 5,620". Any advise in order to save the hub?. Regards, Miguel
  13. migueldiazch

    Filter media

    Hello, Can any body help me to find out the meaning of "P.P Pleat" See item 2 in the attachment. Regards, Miguel Díaz
  14. migueldiazch

    Bearing sleeve material

    Hello, Can anybody help me to find information about Rubber/Monel Shell material?. This material is used as bearing sleeve for a vertical pump. Regards, Miguel Díaz.
  15. migueldiazch

    Hydroblasting cleaning

    Hello, Is there a way to calculate the maximum pressure for internal pipe cleaning using hydroblasting (e.g. heat exchanger internal pipe cleaning)?. Regards,
  16. migueldiazch

    AFBMA bearing designation

    Hello, Can any body provide me a cross reference chart between AFBMA designation and SKF? Regards, MAD
  17. migueldiazch

    Steam turbine labyrinth seal

    Hello Have any body have installed 4 part labyrinth seal instead of 2 part?. These is because due to external leakage we are planning to replace the labyrinth seals and after checking them we noticed that the new ones have 4 portions and the old one have 2 portions; beside that difference...
  18. migueldiazch

    High bearing temperature

    Hi; I am having bearings high temperature problems. The machines are GE electrical motor Model 5KS447SS146D8, Horsepower 200 HP, Frame 447TS, 3 Phases, 3570 RPM, 460 Volt, 60 Hertz, Enclosure TEFC, Insulation Class F, Bearing DE/ODE 6314ZC3, driven two Sulzer 9 stage centrifugal pump size...
  19. migueldiazch

    High bearing temperature

    Hi; I am having bearings high temperature problems. The machines are GE electrical motor Model 5KS447SS146D8, Horsepower 200 HP, Frame 447TS, 3 Phases, 3570 RPM, 460 Volt, 60 Hertz, Enclosure TEFC, Insulation Class F, Bearing DE/ODE 6314ZC3, driven two Sulzer 9 stage centrifugal pump size...
  20. migueldiazch

    Motor ball bearing clearance

    I am looking a table with information about the OD shaft and inner race bearing clearance and OD outer race and housing clearance. Can anybody help me? Regards, Miguel

Part and Inventory Search