English — Forum #276 (Page 66/145)

1. Can the system documents for pressure pipeline installation and pressure vessel manufacturing be prepared separately? - HCBBS Forum
2. [Interpretation of the Special Equipment Safety Law] Article 49 - HCBBS Forum
3. Is it acceptable to use a coefficient of φ of 0.9 for Class B butt joints of pressure vessels containing extremely hazardous or highly hazardous media? - HCBBS Forum
4. Essay request: Components that cannot be ignored in boiler inspection – tie rods - HCBBS Forum
5. Understanding of overall heat treatment - HCBBS Forum
6. Heat treatment - HCBBS Forum
7. Summary of Technical Requirements for Pressure Vessels (26) - HCBBS Forum
8. Issues regarding welding test pieces in the new boiler regulations - HCBBS Forum
9. Repair and calibration of pressure vessel safety valves - HCBBS Forum
10. The importance of pre-welding heating and post-weld heat treatment for pressure vessels - HCBBS Forum
11. Practical application and effectiveness of activated coke desulfurization and denitrification technology - HCBBS Forum
12. The minimum thickness specified for the design of elliptical heads is 8.5 mm; can it be reduced to 8 mm during welding of the straight edges? - HCBBS Forum
13. Mandatory requirements regarding heat-treated test specimens - HCBBS Forum
14. How to choose pipeline flaw detection standards? - HCBBS Forum
15. Seeking advice on flange connections for titanium steel equipment - HCBBS Forum
16. [Interpretation of the Special Equipment Safety Law] Article 2 - HCBBS Forum
17. Common defects in heat treatment and their prevention - HCBBS Forum
18. Basic requirements for the structure of pressure vessels - HCBBS Forum
19. Tender for the manufacture of stainless steel towers - HCBBS Forum
20. [Interpretation of the Special Equipment Safety Law] Article 40 - HCBBS Forum
21. Annual Plan for the Promotion of Boiler and Pressure Vessel Standards in 2021 - HCBBS Forum
22. How to write a risk assessment report for the third type of container - HCBBS Forum
23. Design and Manufacturing of Liquefied Hydrocarbon Spheres - HCBBS Forum
24. [Haichuan Equipment Guess] Is this stalactite hanging upside down? - HCBBS Forum
25. Is 100% radiographic inspection required for welds of fittings smaller than DN150? - HCBBS Forum
26. Welding heat treatment issues in pressure vessels - HCBBS Forum
27. Precautions for repairing stainless steel containers - HCBBS Forum
28. What are the various failure theories for thick-walled containers? What are the similarities and differences in strength design based on these failure criteria? - HCBBS Forum
29. Pressure-bearing issues of stainless steel elliptical tanks - HCBBS Forum
30. Failure modes of safety valves and countermeasures - HCBBS Forum
31. Design of double-layer horizontal containers - HCBBS Forum
32. What is an efficient compressed air oil removal filter - HCBBS Forum
33. What does this notation for gasket specifications mean? - HCBBS Forum
34. Could you please tell me, teachers, are the welded joints above class C or class C? - HCBBS Forum
35. Pressure vessel inspection error - HCBBS Forum
36. How to determine the height of any point on a convex head - HCBBS Forum
37. Seeking advice on containers becoming flattened due to vacuuming - HCBBS Forum
38. Precautions for using pressure vessels - HCBBS Forum
39. Introduction to Magnetic Particle Testing for Pressure Vessels - HCBBS Forum
40. Animation of the working principle of wet surface air coolers - HCBBS Forum
41. Abnormal process gas pressure in the Claus furnace waste heat boiler - HCBBS Forum
42. What materials should be used for chloride corrosion resistance? - HCBBS Forum
43. Collection of EXCEL calculation programs for pressure vessel design - HCBBS Forum
44. Sealing of convex and concave surfaces in large-diameter heat exchangers - HCBBS Forum
45. Selection of supports for conventional containers - HCBBS Forum
46. Do these two gas storage tanks need to be registered? - HCBBS Forum
47. What are the characteristics of stress concentration at the openings and nozzles in containers? What are the requirements for reinforcement? - HCBBS Forum
48. [Interpretation of the Special Equipment Safety Law] Article 21 - HCBBS Forum
49. What are the principles for determining the dimensions of weld grooves in pressure vessels? - HCBBS Forum
50. Requirements for filling in thickness in the pressure vessel data sheet - HCBBS Forum
51. What are the requirements for setting up the drain port on the shell side of the heat exchanger? Can there be more than one? - HCBBS Forum
52. Summary of Technical Requirements for Pressure Vessels (27) - HCBBS Forum
53. Summary of Knowledge on Pressure Vessel Instruments - HCBBS Forum
54. How is the minimum wall thickness for low-pressure vessels determined? - HCBBS Forum
55. Requirements for pressure vessel manufacturing - HCBBS Forum
56. Seek actual photos or drawings of the internal and external structures of an electrostatic precipitator - HCBBS Forum
57. The influence of metal elements in welding wire on welding quality - HCBBS Forum
58. Allowable stress of the material in the bellows - HCBBS Forum
59. Internal floating roof tank roof accessories - HCBBS Forum
60. Eight major problems in welding dissimilar materials - HCBBS Forum
61. ASME requirements for welding procedure qualification of pressure vessels - HCBBS Forum
62. Selection of O-ring seals - HCBBS Forum
63. Issues regarding the supervision and inspection of pressure vessels - HCBBS Forum
64. Do you know what the requirements are for steel plate inspection? - HCBBS Forum
65. Sequence and precautions for removing cores from heat exchangers - HCBBS Forum
66. Axial inlet cyclone separator – reverse type - HCBBS Forum
67. What is the impact of welding to the end without drying the electrode? - HCBBS Forum
68. Problems with on-site commissioning of shallow sand filters - HCBBS Forum
69. Maintenance methods and quality standards for reaction kettles - HCBBS Forum
70. Could everyone help determine the cause of the fracture in the valve flange area? - HCBBS Forum
71. Under what conditions can a stop valve be installed between an overpressure relief device and a pressure vessel? - HCBBS Forum
72. Equipment used in industrial production for separating liquids with different components through extraction - HCBBS Forum
73. Problems with the strength calculation documents for pressure vessels - HCBBS Forum
74. [Interpretation of the Special Equipment Safety Law] Article 23 - HCBBS Forum
75. Summary of Technical Requirements for Pressure Vessels (VII) - HCBBS Forum
76. Should the range of the pressure gauge for the withstand voltage test be chosen based on the operating pressure or the test pressure? - HCBBS Forum
77. Ways to cool a reaction kettle - HCBBS Forum
78. Calculation issues for opening reinforcement of SW6 pressure vessels - HCBBS Forum
79. If the liquefied gas water cooler leaks, will water get into the high-pressure side? - HCBBS Forum
80. Regarding the installation of emergency pressure relief manholes and breathing valve insulation boxes on the top of fixed roof storage tanks - HCBBS Forum
81. Is yellow chromium plating on fasteners the same as yellow cadmium plating? - HCBBS Forum
82. Types of welded joints between spherical head and cylinder - HCBBS Forum
83. Design, manufacturing, and inspection: Being too meticulous reduces efficiency, while lacking precision causes delays. - HCBBS Forum
84. Support arrangement for the pipes on the roof of large storage tanks - HCBBS Forum
85. Steam tracing coil in the liquid sulfur tank - HCBBS Forum
86. [Q&A] 1. What does M.S. refer to in materials specified in American standard drawings? - HCBBS Forum
87. Welded structure of pressure-bearing parts in pressure vessels - HCBBS Forum
88. Rupture of water wall tubes in a 35T power station boiler - HCBBS Forum
89. Which are the devices that are explicitly banned from use due to posing a threat to production safety? - HCBBS Forum
90. Can the combined welding process of plasma backing followed by TIG welding for the surfacing be used separately? - HCBBS Forum
91. Software for strength verification calculation of the shell side cylinder in overlapping heat exchangers - HCBBS Forum
92. Experts, please take a look at the diagram and help analyze the feasibility of these three types of piping connections. Thank you so much! - HCBBS Forum
93. The vacuum performance of the interlayer generally meets the requirements for a 5-year vacuum service life. - HCBBS Forum
94. High-strength steel for pressure vessels - HCBBS Forum
95. Installation requirements for hot-dip galvanized bolts - HCBBS Forum
96. After dividing the rectangular container, how to calculate it? - HCBBS Forum
97. Pressure vessel flange calculation - HCBBS Forum
98. Can stainless steel expansion joints be used in high-temperature tar pipelines? - HCBBS Forum
99. Regarding the use of national standard flanges - HCBBS Forum
100. Tank manhole design - HCBBS Forum