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  • Users: olmedo
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  1. olmedo

    Cooling Tower Water

    Is it absolutely necessary to use softened water in cooling towers? What is the maximum hardness of water that may be used as cooling tower water?
  2. olmedo

    Painting for Storage Tank

    What type of painting system do you recommend for an Alcohol Storage Tank located in a seashore of a tropical country? The tank is made from carbon plate A36.
  3. olmedo

    Tank Vent Size

    How do we size the vent of a water storage tank to prevent overpressure during filling and vacuum during discharging? The aboveground storage tank has a a capacity of 1000 cubic meters.
  4. olmedo

    Flange Bolts

    Can somebody please tell me the advantage (or disadvantage) of using STUD BOLTS over Hexagonal Head Bolts for jointing flanges. Would you know any website that I can read regarding this matter.
  5. olmedo

    API 650 Supported Cone Roof

    I am trying to find API 650 requirements regarding arrangement of center columns, rafters and girders for given tank diameters. If API is silent on this, can somebody point a website where I can find one.
  6. olmedo

    Fire Protection System for Liquor Production Plant

    Can I know what type of fire protection system should we provide to protect liquor storage and blending tanks? Do you know of specific websites that I can visit to learn more about this matter?
  7. olmedo

    CV code valves

    Can someone please tell me what CV code valves mean?
  8. olmedo

    Expansion bellows

    We are installing a 450 meters long 12" diameter steam line at 10 bars, is it normal to use multiple expansion bellows instead of expansion loops due to space limitations?
  9. olmedo

    Long Sewer Pipes

    Our wastewater treatment is located more several meters away from the factory. If we maintain the usual slope of the sewer to comply with the flow velocity requirements, the sewer pipe would be around six meters deep approaching the treatment plant. How can we avoid this without using a lifting...
  10. olmedo

    Epanet

    How do I model, in epanet2, a freely discharging open pipe? I want to see the amount of flow due to static head from a source tank.
  11. olmedo

    PVC pipe in potable water pipe system

    Does anyone know of any health hazard associated with the use of PVC pipes in potable water system?
  12. olmedo

    Sprinkler System for High Rise Buildings

    Can somebody please point to me a site in the web where I can read more about requirements in the design of fire protection sprinkler system for high rise buildings. Thanks
  13. olmedo

    Diesel Engine Cooling System

    Does anybody know of a system of jacket water cooling system using a buffer tank in between the engine and cooling tower? What could be the justification for this buffer tank?
  14. olmedo

    Thermal Storage Tank

    Can somebody please tell me what is the possible disadvantage of a thermal storage air conditioning system on a large office building?
  15. olmedo

    Fire Protection for Alcohol Plant

    Can somebody recommend type of fixed system of fire protection for an alcohol processing and storage tanks.
  16. olmedo

    Molasses pumps

    What type of pump shall I use to pump molasses with 120 tons per hour at 11.5 meters total head ( 2.5 suction lift plus 9 meters discharge head). Sp.gr is 1.4 and viscosity is 10000 cps.
  17. olmedo

    Condensate Piping

    Can someone please explain why many specify to use Copper Type K for condensate return lines instead of Steel pipe?
  18. olmedo

    Cooling Tower Buffer Tank

    I have seen some installations use an intermediate tank between the cooling tower and the chillers, both the supply and return water passes thru this tank.The reason they do this is to remove air from the water thus preventing it from entering the chillers. IS this a good practice and what is...
  19. olmedo

    Absorption Refrigeration

    Can somebody tell me please why I should not use an absorption type refrigeration for room cooling as against the conventional vapor compression system.
  20. olmedo

    Ammonia Sprinklers

    Should all ammonia tanks be fitted with sprinkler systems. What flow rates should I use, or where can I find on the web design guides for ammonia sprinklers?

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