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  1. mirghaffari

    selection of suitable pump for gasoline lifitng

    Dear Sir, i want to select the suitable pump to lift the gasoline from the Truck. the truck is located 3 meters under the platform that pump is located on it. we try with gear type pump (that used in gas stations), but the result is not good becuse of very low flow. we can not used check valve...
  2. mirghaffari

    nedded native mechanical data sheet for injection package

    dear all i want to prepare a data sheet for some injection packages such as: 1- methanol injection package 2- anti foam injection package 3- corrosion inhibitor injection package in all package we have mettering pump, storage tank,mixer, electrical motor and related auxillary. could you please...
  3. mirghaffari

    motor sizing for centrifugal pump

    Dear friends, I want to select the suitable motor for pump. The hydraulic power as per this formula (Ph = q ρ g h / (3.6 106)) is 1115 KW The pump efficiency is 0.73, so the shaft power is equal to (1115/0.73) = 1527 KW As per our pump data sheet, the motor shall be selected based on” End of...
  4. mirghaffari

    Non - API Pumps

    Dear All, - could you please help me to introduce with Non-Api pumps? - which standard shall be referred for this pumps? - when we use this type of pumps in Oil&Gas industry? if you want to select the water pump in your refinery for fire fighting tank loading,which type of pump do you...
  5. mirghaffari

    fire fighting pump performance test

    Dear all, Thanks for your always support, could you please introduce a standard for testing the performance of the fire fighting pump?i could not find performance test tolerance values in NFPA 20. Thanks for your help
  6. mirghaffari

    mechanical seal for VS4 pumps

    Dear all, I have two question: 1-Could you please help me to select the suitable mechanical seal for VS4 pump for sour croud oil? Some belive that because in VS4 the liquide level in sump is below the discharge flange, mechanical seal is not required. Do you agree? 2- if both vs1 and...
  7. mirghaffari

    mechanical seal for VS4 pumps

    Hi Dear All, I have two questions. 1- could you please help me to select the suitable "MECHANICAL SEAL" for Vertical VS4 pump for sour crude oil? Some believe that Because in VS4 pumps ,the fluid level in the reservoir is below the Discharge flange; require no mechanical seal. Do you agree...
  8. mirghaffari

    pump selection for transfering the diesel

    Hi dear friends, could you please help me to select the suitable pump for transfering the diesel from Fully buried gasoline tanks to daily diesel tank. Which of these two types of pumps are suitable for this project? 1- OH2 pump ( in case of selection of this OH2 pump we have to consider the...
  9. mirghaffari

    sump pump selection

    hi all, Iam requested your assistance to advise me for selection of suitable pump for following application. Please consider both performance and economic aspect for this issue. LIQUID CHARACTERISTICS: 1- Service : HEAVY/LIGHT CRUDE OIL 2- Viscosity...
  10. mirghaffari

    pump performance curve for viscose lquid

    Hi all; i want to trnsfer the crude oil with following condition in process P&ID: 1- Q= 110 m3/hr 2- H= 65 m 3- Viscosity= 104 CP i want to fill the mechanical data sheet, could you please help me how can i report the flow rate and diff head? should i report exact flow and head in data sheet...
  11. mirghaffari

    MIXER DATA SHEET

    dear all, i want to prepared the data sheet for Mixer. this mixer will be installed inside the crude oil tank. each tank have two mixer. now i want to calqulate motor power for this mixer. could you please help me? next question is about API standard for this regard. what is API number for...
  12. mirghaffari

    pump selection for "oily" and "separated" water

    Dear colleagues, i want to select the suitable pump for "oily water" and "separated water" application. i think the best selection is "progressive cavity pump". in similar project they use "VS4" type for this application! but my concern is the price of this type of pump. coud you please advise...
  13. mirghaffari

    viscosity range for centrifugal pumps

    hi everybody, in our crude oil project, i am face with a oil with high viscosity ( viscosity= 120 CP). our Preference is usage of centrifugal pumps. could you please help me that is possible or not? do yo have any experiance to pump this viscose liquid with centrifugal pump?
  14. mirghaffari

    selection of booster pump in order to provide NPSHr for main pump

    hi every body, we want to select the booster pump to supply the required NPSH for main pump. main pump: NPSHa = ATM NPSHr = 5bar suction pressure = ATM Discharge pressure = 37 bar what shall i considere to select the booster pump for this application? 1- i think that the flow of booster pump...

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