English — Forum #276 (Page 75/145)

1. Valve stem leaking - HCBBS Forum
2. Questions for help! Discussion on the segmentation of the shell-side cylindrical structure of SW6 heat exchanger - HCBBS Forum
3. Question: Does the weld shown below require post-weld heat treatment? - HCBBS Forum
4. Biomass steam generator boiler neutral source - HCBBS Forum
5. Self-priming combined paddle stirring - HCBBS Forum
6. [Daily question] [Static Equipment Exchange Edition...Question 79] April 19, 2020..True or False Question. - HCBBS Forum
7. Can pressure vessels be demolished and reused after reaching their designed service life? - HCBBS Forum
8. Sharing of anti-corrosion protection measures for hydrochloric acid storage tanks - HCBBS Forum
9. [Daily question] [Static Equipment Exchange Edition...Question 59] March 30, 2020..True or False Question - HCBBS Forum
10. How to calculate the group seats of cone head using sw6 - HCBBS Forum
11. Fracture phenomenon at the welding point of the flange of the temperature measurement port of the reactor - HCBBS Forum
12. Operating weight of pressure vessel - HCBBS Forum
13. Nozzle PRO PRG2018 (the program includes FEPipe and NozzlePRO 2018) If you need it, please contact us - HCBBS Forum
14. What are the requirements for the daily maintenance of the metal hose at the bottom of the tank? - HCBBS Forum
15. Requirements for heat exchanger materials regarding low-temperature impact - HCBBS Forum
16. What does quality control involve in pressure vessel manufacturing plants? - HCBBS Forum
17. The new project requires the purchase of a dryer - HCBBS Forum
18. Must the heat exchange tube extend outside the tube sheet? - HCBBS Forum
19. Issues with reinforcement rings in atmospheric pressure equipment - HCBBS Forum
20. Seeking advice on the selection of operating equipment - HCBBS Forum
21. How should the last sentence of NB/T47014-2011 6.1.5.2 be understood? - HCBBS Forum
22. Seek drawings for tube penetration guides for heat exchange tubes - HCBBS Forum
23. 【One question per day] [Static Equipment Exchange Edition...Question 47] March 18, 2020..True or False Question - HCBBS Forum
24. Help: Chimney reinforcement issue - HCBBS Forum
25. Share an ASME container calculation form - HCBBS Forum
26. Material selection for gaskets used in pressure testing of floating-head heat exchangers - HCBBS Forum
27. How should this device be classified? - HCBBS Forum
28. Asking a senior for advice on gas tank standards - HCBBS Forum
29. 【Daily Question】【Static Equipment AC Version...Question 2】 February 02, 2020...True or False Question - HCBBS Forum
30. 【Repost/Share】Why are the roughness values 0.8, 1.6, 3.2, 6.3, and 12.5? - HCBBS Forum
31. The SW6 calculation results window closes automatically - HCBBS Forum
32. Regarding the issue with activated carbon filters - HCBBS Forum
33. Does a jacketed reactor fall under the category of pressure vessels? - HCBBS Forum
34. Question for help: Have any experts in this field conducted research on the LCC method? - HCBBS Forum
35. The impact of high altitudes on gas boilers and biomass boilers - HCBBS Forum
36. Are there any manufacturers that produce standard manholes for pressure vessels? - HCBBS Forum
37. Look for a professional dry tank team - HCBBS Forum
38. The device’s appearance is abnormal; please have a professional take a look - HCBBS Forum
39. Help question-Analysis of the causes of rising around the floor of the normal pressure storage tank - HCBBS Forum
40. Searching for domestic manufacturers of high-voltage electrodes for use in electrode boilers - HCBBS Forum
41. Design of the external pressure cylinder for thermocouple casings - HCBBS Forum
42. 【Daily Question】【Static Equipment AC Version...Question 5】 February 5, 2020...True or False Question - HCBBS Forum
43. Help needed! When the outer diameter of the flange weld end and the outer diameter of the pipe fitting are different, what type of welding groove should be used? - HCBBS Forum
44. 【Daily Question】【Static Equipment AC Version...Question 13】 February 13, 2020...True or False Question - HCBBS Forum
45. Treatment for equipment foundations that are below the designed elevation - HCBBS Forum
46. 316TI pipeline wall thickness data - HCBBS Forum
47. I would like to ask about the structure of vertical low-pressure wet tanks - HCBBS Forum
48. Use of Q235A - HCBBS Forum
49. Notice on Carrying Out a Special Rectification Campaign for the Safety of Liquefied Petroleum Gas Cylinders and Bottled Liquefied Petroleum Gas (Municipal Supervision and Special Assignments [2020] No. 108) - HCBBS Forum
50. Material issues of the reactor stirring shaft - HCBBS Forum
51. Working principle of hydraulic safety valve - HCBBS Forum
52. [Daily Question] [Static Equipment AC Version... Question 75] April 15, 2020.. True or False question. - HCBBS Forum
53. How are the dimensions of static equipment saddles marked on the equipment general drawing? - HCBBS Forum
54. Is it important to manage equipment through classification and grading? - HCBBS Forum
55. Calculation diameter for narrow-faced flat covers with bolted connections - HCBBS Forum
56. How to calculate the unit load on the horizontal container cylinder? - HCBBS Forum
57. The PNP.SHX font is missing - HCBBS Forum
58. Filter precision and pore size of metal sintered wire mesh filters - HCBBS Forum
59. Are there any qualification requirements for design firms when it comes to the design of storage and transportation equipment? - HCBBS Forum
60. Pipeline design issues - HCBBS Forum
61. Which manufacturers can produce 35Mpa high-pressure gas cylinders? - HCBBS Forum
62. Questions on understanding the details of welder exams - HCBBS Forum
63. Issues with pressure vessel studs (bolts) - HCBBS Forum
64. When nuts made of steel materials such as 30CrMoA, 35CrMoA and 40CrNiMoA are used at temperatures below -20°C, do they need to be subjected to low-temperature impact? - HCBBS Forum
65. Regarding GB/T16749-2018 - HCBBS Forum
66. The surface process of U-shaped bolts turns out to be like this - HCBBS Forum
67. Could you please explain the difference between inspection and acceptance? Thank you! - HCBBS Forum
68. [Daily Question] [Static Equipment AC Version... Question 98] May 8, 2020.. True or False (Supplement) - HCBBS Forum
69. The difference between hot dip galvanized bolts and Dacromet bolts - HCBBS Forum
70. Koito Group makes a significant breakthrough in entering the CNPC market by winning a contract for equipment supply for a petrochemical integration project in Guangdong - HCBBS Forum
71. Can the welding procedure qualification for Q345R and stainless steel be applied to the welding of 20# steel and stainless steel? - HCBBS Forum
72. R22 pipeline issues - HCBBS Forum
73. Wrap pad usage temperature - HCBBS Forum
74. Manufacturing Engineering of Fixed Pressure Vessels in the Petrochemical Industry - HCBBS Forum
75. Repair welding - HCBBS Forum
76. ASME design help! How to fix errors in the test pressure values in the PVELite calculation sheet? - HCBBS Forum
77. Experts, please take a look and check whether the wall thickness of the open-top oil tank and the design of the reinforcement rings are reasonable - HCBBS Forum
78. Help needed! What material does ASTM A240 TP316/316L refer to? How do I find out which ASME material corresponds to an ASTM standard? - HCBBS Forum
79. Problems with the strainer filter - HCBBS Forum
80. Course on Finite Element Mechanical Analysis of Chemical Engineering Equipment - HCBBS Forum
81. Stress analysis method for cylindrical shells with openings under internal pressure and external loads – How to calculate when the opening ratio ρ < 0.1 - HCBBS Forum
82. Revalidation of pressure vessel design unit licenses, examiner examinations - HCBBS Forum
83. Selection of container supports made of chromium-molybdenum steel - HCBBS Forum
84. How is the inner diameter of a quasi-hemispherical head determined? - HCBBS Forum
85. 【One question per day] [Static Equipment Exchange Edition...Question 36] March 07, 2020...True or False Question - HCBBS Forum
86. The compressor speed deviates from the set speed for an extended period of time - HCBBS Forum
87. Which GB standard corresponds to DIN18800? - HCBBS Forum
88. Do atmospheric-pressure containers require ground plates? - HCBBS Forum
89. Regarding the issue of drying welding electrodes in the same furnace - HCBBS Forum
90. Why aren’t domed heads included in simple pressure vessels? - HCBBS Forum
91. Can the welding evaluation for Q235B+Q235B be substituted with that of Q235B+Q345R? - HCBBS Forum
92. Does anyone have the safety management regulations for oil storage areas? Could you share them? Thank you - HCBBS Forum
93. What procedures are required for changing the medium in a pressure vessel? - HCBBS Forum
94. air superheating coefficient - HCBBS Forum
95. Purchase of graphite heat exchangers - HCBBS Forum
96. GBT 19624-2019 Safety Assessment of Defective Pressure Vessels in Service - HCBBS Forum
97. Does the welding process coverage of base metals of the same type and group mean that the welding rods and wires must also be the same? - HCBBS Forum
98. Seek recommendations for acid and alkali-resistant ultrafiltration equipment - HCBBS Forum
99. Reinforcement area for non-radial nozzles on the cylinder - HCBBS Forum
100. What are the causes of vertical cracks at the weld between the tube sheet and the shell in a tubular heat exchanger? (Device pressure: 4.0 MPa, temperature: 400 - HCBBS Forum