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  1. pve5

    Use of deformed tubesheet

    We have two tube fixed flat circular tubesheets of boiler which are deformed due to excessive differential expension during operation. Maximum deflection of about 2 inches is around central flue gas pipe.The material of tubesheets is carbon steel and per NDE report the condition of material...
  2. pve5

    Deflection in fixed tubesheet

    Is there any ASME Section VIII Div.1 or ASME Section I codes limitation on deflection in flat fixed tube sheets.
  3. pve5

    Transportation of tank under pressure

    Guys, Could some one help me to answer following question : We have tank contaning Yeast plus water. The size of the tank is 5.44 feet diameter and 6 feet high during transportation. The weight of the contents = 4400 lbs. During transportation the tank will be under pressure of 30 psig. The...
  4. pve5

    Pressure vessel mounted on truck

    Pressure vessel used to store yeast is being designed for 2 bar in accordance with ASME Section VIII Div.1.The tank will be used to transfer contents ( yeast ) from one brewery to other brewery. When in use this tank will be stationery. This tank is for New Brubswick. Question is that for...
  5. pve5

    Location of nozle on knuckle portion of dished head

    Is there any special ASME Section VIII Div. 1 design requirement for nozzle located at knuckle portion of dished head. If there is, any could you provide me reference para number of code Thank you very much in advance
  6. pve5

    3/4 Inch Pneumatic pipe fittings for New Brunswick

    Would apperciate if any one can provide applicable regulation # of Boiler and Pressure Vessel Act for registration in New Brunswick Canada of 3/4" size and below pressure fittings including hoses for air service. In Ontario, Alberta and Nova Scotia, registration of 3/4" size fitting being used...
  7. pve5

    Painting for fin tubes of air cooler

    In case of air cooler of carbon steel tubes with aluminum fins , operating at 130F, what kind of painting should be provided on fin tubes to protect from enviornment or there should not be any coating. Thanks for
  8. pve5

    Selection of tube to tube sheet joint

    Could guys with experience of tube to tube sheet in shell and Tube TEMA heat exchanger joints , review following and comment: 1) Seal weld and expansion in grooved holes 2) strength weld and expansion in plain holes. In case on horizontal heat exchangers , where the tubes project out side...
  9. pve5

    Shop certification for CSA B51

    For design, fabrication of pressure vessels in Canada, shop should have certification of CSA B51. However, for fabrication of pipe spools to B31.3, B31.1 and H type fittings ,shop certification to CSA B51 is not a mandatory requirement. Fitting used for fabricating spools must have CRN number...
  10. pve5

    Nozzle located on circumfrential weld joint of shell

    The vessel is in my case is spot radiographed, what is ASME code NDE requirement for nozzles located on circumferential weld joints. Per UW-14 nozzle meeting the requirements of UG 36(C)(3), may be located on weld joints , provided the weld meets the requirements of UW 51 for the length equal...
  11. pve5

    Cooling jacket for 22"-0" Fermenting tank with bottom cone

    24-0" x 60'-0" high ss tank with bottom conical is to be provided cooling jacket on outside of shell and bottom cone. Inside pressure in the jacket would be 56psi @ -4C.Inside pressure in tank is very low and will be designed per API 650.From your experience, could you please review and...
  12. pve5

    Demister with gradual reduction in density of wire.

    Could any one suggest source to procure demister with 6'-0" diameter x 12 inch thick with 12 lbs/ft3 density at top and 5 lbs/ft3 at bottom. Material SS 304L. The reduction in density shall be gradual. Thanks in advance
  13. pve5

    Design of non circular ( rectangular ) flat cover plate with large

    Hello Guys, Could you provide reference to design 4 1/8" wide x 45 7/8" x 1/2 thick flat cover with 4" x sch 80 nozzle welded at centre per ASME Section VIII Div.1 Thanks!
  14. pve5

    Pressure piping in Brewery Plant

    What is applicable code for pressure piping to be installed in brewery plant in New Brunswick province of Canada.

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