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  1. rudiawan .

    air compressor for wellhead control panel

    all.. i got requirement to provide the air compressor for wellhead control panel. This compressor will be used for pneumatic actuator for valving in Well Head Control Panel. Are the any guidance for selection which type of air compressor suitable for this purpose, also also the common size for...
  2. rudiawan .

    materrial vessel for h2s removal

    hi dear.. i need advise for materrial selection for h2s removal pressure vessel for gas this pressure vessel will be used for h2s removal which the inlet gas contain sulfur 150 ppm the pressure inlet is 15 psig, and the gas temeprature 125 deg.F ijust thinking to use carnon steel with suitable...
  3. rudiawan .

    spreadsheet or software for steam tracing calculation

    hi brothers.. we are looking for the software or spreadsheet for determined the steam tracing sizing for the coaltar pipe or crude oil pipe.. rgds,
  4. rudiawan .

    Flange Dimension for bore size 2000 mmm

    hi McDermott1711's yes you are right.. i am mix up with the discharge line which connect to the pump and the pressure is 20 bar this is the intake line, and only hhydrostatic pressure from sea level thanks for your info
  5. rudiawan .

    Flange Dimension for bore size 2000 mmm

    hi MJCronin.. keep calm and stay cool it is technical discussion, no more see my information detail on the picture .. https://files.engineering.com/getfile.aspx?folder=821a38b1-6298-41fd-a8d5-b8d0f4d7c4f9&file=inlet_pipe_to_engineering_tips.jpg
  6. rudiawan .

    Flange Dimension for bore size 2000 mmm

    hi MJCronim please advise the availability of the pipe on the market my plan using EFW pipe, A790 UNS S31802
  7. rudiawan .

    Flange Dimension for bore size 2000 mmm

    thanks for all response the duplex nozzle pipe will connect to the pipeline with the operating pressure about 20 bar this is sea water line supply to the plant. The pipe line looks is FRP Sea water intake basin will be built with the concrete, which is the duplex pipe will be inserted in the...
  8. rudiawan .

    Flange Dimension for bore size 2000 mmm

    why duplex.. this pipe basically will install and penetrate on the concrete of sea water basin
  9. rudiawan .

    Flange Dimension for bore size 2000 mmm

    hi mk3223.. thanks for your info i just checked it, and the rating looks not ASME standard, this flange according to DIN standard anyway thanks for this info
  10. rudiawan .

    Flange Dimension for bore size 2000 mmm

    i am designing sea water intake pipe, and will use duplex material, The pipe diameter is 2000 mm, and will use pipe class 300# is there any dimension standard for flange, rating 300# and bore size 2000 mm ? please advise for flange material applicable for this service regards, rudiawan
  11. rudiawan .

    Optimization of parallel variable-speed-driven centrifugal pumps operation

    The pumps is vertical turbnine and the suction us submerged, hence no issue regarding priming individual flow meter not available, but speed of VFD are controllabe by PLC / DCS (see on the attachment)...
  12. rudiawan .

    Optimization of parallel variable-speed-driven centrifugal pumps operation

    hi littleinch .. The 4 pumps supply sea water into the pipeline which the diameter is 60 inch, into the sea water tank the length of the pipeline about 6 km the pipeline provided with surge control valve to maintain surge pressure due to back pressure regards rudiawan
  13. rudiawan .

    Optimization of parallel variable-speed-driven centrifugal pumps operation

    dear all.. i am designing the Sea Water Intake pump which the 4 pumps will be operated parallel, and 1 pump will be as stand by pump The pump data as follows : Type : vertical turbine pump Flow : 5000 m3/hr Head : 20 meters Electric Motor : 2500 KW, the motor provided with VSD (variable speed...
  14. rudiawan .

    maximum load on the tank roof

    hi all.. apologize to attach the attachment.. https://files.engineering.com/getfile.aspx?folder=63e74b81-5787-4451-b4a5-7a745f2f61ea&file=acess_stair_on_tank_roof.jpg
  15. rudiawan .

    maximum load on the tank roof

    hi all.. i have access stair between tank which sit on the tank roof structure (see on the attachment) The tank diameter is 38 meters, and self supported cone roof tank tank height is 19.5 meters Thanks for your advise regards, rudiawan
  16. rudiawan .

    maximum load on the pipe penetrate the concrete and puddle flange design

    hi hturkak.. thanks for your respond, this pipe basiccaly connect from sea water intake, which the distance is about 5 km the pipe is layed on the sea bed and provided with concrete weight for some distance. The pipe material is HDPE what we concern is when we simulate with seismic case and the...
  17. rudiawan .

    maximum load on the pipe penetrate the concrete and puddle flange design

    dear friend .. we have the project which the 30 inch pipe penetrate to the wall of sea water intake basin. The concrete wall thickness is 750 mm we need to get the allowable maximum load on this point (pipe that penetrate to the wall) is there any standard for our reference if using puddle...
  18. rudiawan .

    overflow weir box an the API 650 tank

    all.. we are using overflow weir box on the water tank (designed follow API 650) as seen on the attachment, the overflow pie diameter 1s 1200 mm The boz size is 3m x 3m x 3m can we evaluate the load on the tank shell that is connected with overflow box using nozzle pro.. peaase advise if other...
  19. rudiawan .

    determine flow of pressure relief valve

    friend.. i would like to do sizing the Pressure relief valve (PRV) is there any rules of thumb how much percentage of flow to PRV compared with the flow of main line .. thanks in advance rudiawan
  20. rudiawan .

    load on the API 650 tank nozzle

    all.. we are doing pipe routing for the pipe connect to tank, the data as follows : - the diameter of pipe connecting to the tank is 1500 mm - tank diameter 38000 mm we have performed the pipe stress and get Force and Moment on the tank nozzle My questions is how to evaluate the force and...

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