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  • Users: gorkus
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  1. gorkus

    shaft diameter

    How can I get de diameter of the shaft that you need in this aplication: Speed 1100 rpm. Prssure 7 bar Flow 927 l/min
  2. gorkus

    how calculate the heat generated by a recirculating pump.

    I'd like to know if exist a formula to calculate the heat generated by a pump recirculating liquid in a short lenth of pipe. Flow: 15 m3/h Length pipe 7 m diameter: 2" Fluid: oil. Thank you very much.
  3. gorkus

    MAX DISCHARGE PRESSURE

    Operating conditions: product: gas oil Phase: Liquid Max Suction operating pressure: 2.4 bar G Average operating pressure. 6 to 7bar Max discharge pressure ( closed valve): 19 barG Characteristics: required total Dynamic head: 80 m What is the working pressure or differencial pressure ? 6...
  4. gorkus

    SLIP ON FLANGES

    I need to know te maximun allowable forces a of 1 1/2" slip on flange 150 # astm a-105.
  5. gorkus

    DETERMINE THE SIZE OF GENERATOR

    how can i get the amount of kva ( SIZE OF GENERATOR) to start a three electric motor of 4 kw.?? Kva = kw/ cos(fi) = 4 /0.85 = 4.70 kva is correct?? THANKS IN ADVANCE GORKUS
  6. gorkus

    CAST IRON AT SUB ZERO TEMPERATURES

    would be cast iron PUMP(gg-20)able to stand lower temperatures? The pump is going to be installed outside and the temperature could be up to minus 30 deg.C.
  7. gorkus

    NPSH available

    Hello,could you give me any advice?? underground supply tank fluid:ethyl ether. Flow: 7 m3/h Tª= 20ºC T vapor@ 20ºc= 587 mbar density @20ºC= 0.7347 kg/dm3 suction static height=1 mts suction pipe diameter= 37 mm suction pipe length=5 m atmospheric pressure= 920 mbar estimated pipe losses =...
  8. gorkus

    PARALELL PUMPS

    HELLO, COULD YOU help me with this case: flow = 500.000 l/h Suction= on load Discharge= 2000 mts length,10 mts high. diameter 10" liquid= vegetal oil ( 500 ssu) these rules are ok? Qt= Q1+Q2+Q3+Q4 Ht= H1+H2+H3+H4 so.. I HAVE TO SET 4 VANE PUMPS IN PARALELL. EACH OF THEM IS GOING TO DELIVER...
  9. gorkus

    EXPANSION JOINTS

    HELLO, AT WHAT DISTANCE SHOULD EXPANSION JOINTS BE PLACED FROM THE PUMP IN A PIPING SYSTEM ??. IS THERE ANY STANDARD ABOUT IT.?? THANKS IN ADVANCE GORKUS
  10. gorkus

    CASING PUMP PICS

    Please have a look at these pics. http://picasaweb.google.es/mulder.pirata/LbumSinTTulo/photo#50702826 http://picasaweb.google.es/mulder.pirata/LbumSinTTulo/photo#5070282678688807810 Coud you give me any advice about it? Many thanks in advance Its a vane pump, whose casing has broken in this...
  11. gorkus

    BIODIESEL PUMP.

    Could anyone give any advice: We have to pump biodiesel at 80ºC from a tank under vacuum of 0.9 bar. The pump is 1 m under the tank.There is not any elbow(in suction line) Does liquid flow from the tank to the pipe ," by gravity" ?? or this situation is equal as when the pump is above the...
  12. gorkus

    NPSHa under vacuum conditions

    we are going to pump from a tank under vacuum.0.9 barg In order to calculate NPSHa we use follow formula. NPSHa=Hs+h+Ha-Hv where: Hs: static suction head (m) h: suction pipe loss (m) Ha:surface liquid pressure ( m)* Hv: liquid vapor pressure at pumping temperature.(m) * when the tank is...
  13. gorkus

    ALUMINIUM BRONZE ASTM-B148 FOR FOOD APPLICATION.

    IS ALUMINIUM-BRONZE ASTM-B148 SUITABLE FOR FOOD APPLICATIONS.? LIQUID IS CHOCOLATE WITH CREAM IT´S FOR A P.D. PUMP. WE WANT TO AVOID THE CONTACT BETWEEN TWO SS-316 MOVING PARTS. NORMALY IN A SS-316 PUMP WE USE A COAT, BUT NOT FOR FOOD APPLICATIONS. IN OTHER CASES WE USE BRONZE , BUT ITS NOT...
  14. gorkus

    PUMP MATERIALS FOR FOOD PRODUCTS

    IS NI RESIST TYPE-2 SUITABLE IN ORDERTO HAND LIQUIDS LIKE OLIVE OIL, CHOCOLATE,.?? I KNOW AS SANITARY STANDARDS SAYS SANITARY PUMPS MUST BE MADE UP OF STAINLESS STEEL ( PARTS IN CONTACT WITH PRODUCT). BUT I´VE READ IN THE NICKEL DEVELOPMENT INSTITUTE NI-RESIT COULD BE USED IN FOOD APPLICATIONS...
  15. gorkus

    AUSTENITIC DUCTILE IRON CASTING

    is Ni resist an iron stainless alloy ? They have similar proerties like stainless steel. Can it be called stainless alloy? MY casting supplier said me that it was stainlees cast I don´t Know whether it is or not.
  16. gorkus

    PRESSURIZED CYLINDER FORMULA

    Which is the formula to calculate the minimum wall thickness required ,of a pressurized cylinder? Can I take the pump casing as a pressurized cylinder in order to calculate "minimum wall thickness"? Many thanks in advance
  17. gorkus

    GREY IRON

    IS CASTING IRON PUMP SUITABLE TO WORK AT SUBCERO TEMPERATURES
  18. gorkus

    WHICH METAL IS SUITABLE FOR A COCA COLA PUMP

    coulD you tell me about which metals is suitable for pumping coca cola.NI- resist? Thank you
  19. gorkus

    BRIX degree

    Hello guys, I need to Know the viscosity ( cps) of this products. molasses 85º-87ºBRix @85-95ºC Magma of sugar 90º-93ºBRIX @ 85-95ºC Thanksin advance.
  20. gorkus

    stress allowable values

    Does anyone know where i can get the stress allowable values for diferent materials? I need this value to compare it to the applied strees when this shaft is subjected to a reversed torsional load. Thank you.

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