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  1. MarineHVAC

    Psychrometric question for GSHF

    To achieve inside condition 22'C @ 50% RH
  2. MarineHVAC

    Psychrometric question for GSHF

    Hi All, I have a project with below criteria, OA-45'C @90%RH RA-23'C@50%RH Fresh air ratio 27% Supply air -14'C RSHF-0.9 GSHF-0.2. Supply air flow- 25000 CMH When I draw a line starting from mixing air point align with GSHF it touch to the saturated line before reaching to target adp of 9'C...
  3. MarineHVAC

    Weather tight closing appliance For Modu

    Hi, If the self elevating jack up drilling rig is following Modu code, the ventilators need to install weather tight closing appliance if the ventilators are less than 4.5 m above the main deck. We do have the shut off dampers to be able to close the compartment it serve at main deck. But I do...
  4. MarineHVAC

    Weather tight closing appliance For Modu

    Hi, If the self elevating jack up drilling rig is following Modu code, the ventilators need to install weather tight closing appliance if the ventilators are less than 4.5 m above the main deck. We do have the shut off dampers to be able to close the compartment it serve at main deck. But I do...
  5. MarineHVAC

    Letent heat of beef at -4'C

    Thanks for your advices.
  6. MarineHVAC

    Letent heat of beef at -4'C

    Hi, Would like to get your advice for the product latent load calculation for beef. According to ashrae , Latent Load= Mass x ( Latent heat fusion)/ Pull down time. The question is that the when the provision is already freezed at -4"C at arrival. If so can we neglect the latent load?
  7. MarineHVAC

    Weathertight louver MED certification

    Hi, Our project is under Gibraltar Administration and would like to seek your advice for the MED certification. Is this items is required to submit MED Module B & D certificates to class? If so the certification is for weather-tightness or the asbestos free. Thanks for your advice.
  8. MarineHVAC

    Psychrometrics help - dehumidifying with a cooling coil

    What is the face velocity of the coil?
  9. MarineHVAC

    Stair Pressurisation Fans - High Rise

    NFPA90 A will cover for the calculation. But not very sure to achieve the static at pratical
  10. MarineHVAC

    Weather Tight Ventilator

    I am very sure that the certificate for the water tight doors and weather tight doors are necessary to submit to class. But kindly advice about the weather tight louver. Do we need certificate?

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