English — Forum #276 (Page 42/145)

1. May I ask whether the thermodynamic disc-type thermodynamic hydrostatic valve CS49H can be installed in vertical pipes? - HCBBS Forum
2. Heat exchange tube and tube sheet welded joint - HCBBS Forum
3. Pressure vessel - HCBBS Forum
4. Several issues to consider in the design of shell-and-tube heat exchangers - HCBBS Forum
5. Introduction to Pressure Gauge Selection - HCBBS Forum
6. Retesting of materials for pressure vessels - HCBBS Forum
7. Maximum allowable operating pressure of pipe flange - HCBBS Forum
8. Precision filter element - HCBBS Forum
9. Basic Knowledge of Wear and Lubrication - HCBBS Forum
10. Key points to note for low-temperature pressure vessels - HCBBS Forum
11. How to determine the repair costs for a workshop - HCBBS Forum
12. Can the Q345D steel pipes specified in GB/T6479-2013 be used in pressure vessels? - HCBBS Forum
13. Do all the secondary sealing antistatic strips of external floating roof storage tanks need to be electrically bonded? - HCBBS Forum
14. It is an inevitable path for pressure vessel manufacturers to enhance their informatization capabilities - HCBBS Forum
15. Tube sheet with partition grooves - HCBBS Forum
16. It depends on the pressure and diameter; it shouldn’t really be considered important - HCBBS Forum
17. The impact of welding defects on structural strength - HCBBS Forum
18. Requirements for the installation and use of mechanical seals - HCBBS Forum
19. Selection of composite steel plate end closures for medium-pressure vessels - HCBBS Forum
20. Height tolerance at both ends of saddle installation - HCBBS Forum
21. Horizontal tank design - HCBBS Forum
22. How to seal the end structure of a core-pulling fixed tubesheet heat exchanger? - HCBBS Forum
23. Pressure Vessel Specifications and Standards (Core) – January 31, 2023 - HCBBS Forum
24. Sealing specific pressure and gasket coefficient of metal-clad gaskets - HCBBS Forum
25. Common knowledge on valve installation - HCBBS Forum
26. Which manufacturer has the GB/T 20663-2017 standard for energy storage pressure vessels? - HCBBS Forum
27. Advantages and disadvantages of adding titanium to austenitic stainless steel - HCBBS Forum
28. Pressure Vessel Approver - HCBBS Forum
29. How is the selection and calculation of steel bar reinforcement carried out for equipment under normal pressure? - HCBBS Forum
30. Dynamic balance and static balance - HCBBS Forum
31. Calculation of the center circle for anchor bolts of Type B leg-type supports - HCBBS Forum
32. I would like to ask what exactly grade 2 and grade 3 components refer to in ASME materials. I’ve been searching for an hour but haven’t been able to find any information; anyone who is familiar with this topic could please help. - HCBBS Forum
33. Is it necessary to conduct low-temperature impact tests on No. 20 steel pipes used in Beijing and Tianjin areas? - HCBBS Forum
34. Comparative Analysis of Domestic and International Standards for Weld Inspection - HCBBS Forum
35. The minimum thickness of the shell after machining, excluding the corrosion allowance - HCBBS Forum
36. Revalidation of pressure vessel manufacturing units - HCBBS Forum
37. Has anyone else used this device? - HCBBS Forum
38. 30crmo nut - HCBBS Forum
39. What qualifications are required to design a 5,000 cubic meter dry rubber diaphragm gas holder? - HCBBS Forum
40. Things related to third-party inspection - HCBBS Forum
41. composite panel - HCBBS Forum
42. Welding technology for stainless steel pressure vessels - HCBBS Forum
43. 【Haichuan Equipment Guessing Game】Is this a derrick? - HCBBS Forum
44. Questions regarding low-temperature vessel materials - HCBBS Forum
45. Helium tank sealing issues - HCBBS Forum
46. Equipment Inspection Rating System - HCBBS Forum
47. Regarding container heat treatment and test plate issues - HCBBS Forum
48. takeover sleeve - HCBBS Forum
49. Laboratory-grade static melt crystallizer - HCBBS Forum
50. 47040, how to use a Type D manhole? - HCBBS Forum
51. Cylinder stress-relief heat treatment - HCBBS Forum
52. Study on the toughness of steel and causes of fracture - HCBBS Forum
53. Practical knowledge related to pipes - HCBBS Forum
54. How to understand the evaluation rules for the base material - HCBBS Forum
55. For the process engineering field, should the completion documents include container data sheets? - HCBBS Forum
56. Understanding of the tolerance specification: “Non-circular cross-section refers to the maximum geometric dimension of the inner boundary of the cross-section”? - HCBBS Forum
57. Basic knowledge of oil coolers - HCBBS Forum
58. Seeking help with the design of straight edges on container flanges - HCBBS Forum
59. Structural principle of floating ball valve - HCBBS Forum
60. Quality Inspection Outline for Petrochemical Projects - HCBBS Forum
61. 11 indicators to improve equipment operational efficiency - HCBBS Forum
62. Regulations on the inspection of special equipment - HCBBS Forum
63. Why is TIG welding used for the root pass during the welding of thick plates and steel structures? - HCBBS Forum
64. External load assessment of necked butt-welded pipe flanges using the corrected equivalent pressure method - HCBBS Forum
65. General Rules for Inspection of Pressure Vessels - HCBBS Forum
66. Is welding required for the outer coil of the equipment? - HCBBS Forum
67. Let’s discuss “returning to the jurisdiction” again, friends from the sea come in! - HCBBS Forum
68. How to distinguish crane tonnage? - HCBBS Forum
69. Composition, materials, operation, and maintenance of mechanical seals - HCBBS Forum
70. Excuse me, fellow experts: what should I do if I can’t understand the formulas in the standards? What courses do I need to take to understand these? - HCBBS Forum
71. Knowledge related to acid washing and passivation of stainless steel - HCBBS Forum
72. Why are so few people using looper stainless steel flanges? - HCBBS Forum
73. Requirements for bearing temperature under different standards - HCBBS Forum
74. Help! Should stress concentration be considered in the design of static pressure vessels? - HCBBS Forum
75. Announcement by the Special Equipment Bureau of the State Administration for Market Regulation on Soliciting Public Opinions on the «Regulations on the Safety Supervision of Special Equipment (Draft for Comment)》 - HCBBS Forum
76. Regarding the issue of no additional reinforcement - HCBBS Forum
77. Urgently seeking information on dual-effect concentration devices - HCBBS Forum
78. Calculation method for flash tank volume - HCBBS Forum
79. I would like to ask the experts: Can carbon steel be used as the material for propylene oxide spherical tanks? Thank you - HCBBS Forum
80. Must the handle of valves in chemical plants be lined with plastic? - HCBBS Forum
81. Equipment maintenance management model for chemical enterprises - HCBBS Forum
82. Some provisions for the assessment of seismic measures for the foundation structure of horizontal containers - HCBBS Forum
83. Learn to weld heat-resistant steel - HCBBS Forum
84. Problems with heat treatment of composite panels and stainless steel - HCBBS Forum
85. Weld rod for root welding at the junction of the heat exchanger shell and tube sheet - HCBBS Forum
86. Can the setting pressure of the boiler safety valve be set lower than that specified in the blueprint? - HCBBS Forum
87. Can a horizontal tank be hung on a platform using lifting lugs? - HCBBS Forum
88. TSG11-2020 5.1.12 Steam boiler safety valves: The exhaust pipes of two separate safety valves must not be connected to each other. ” - HCBBS Forum
89. Knowledge about pipe expansion joints - HCBBS Forum
90. When connecting flanges and flange covers, when should bolts be used and when should studs be used? How is the length of bolts and studs calculated? - HCBBS Forum
91. Carbon disulfide production line - HCBBS Forum
92. Energy efficiency testing of circulating fluidized beds - HCBBS Forum
93. Problems with the spring bracket baffle - HCBBS Forum
94. Clogging of the coating solution in the slurry tank - HCBBS Forum
95. Regarding the hydrostatic pressure of liquid columns - HCBBS Forum
96. Everyone, how is the strength of a hemispherical and cylindrical head checked? - HCBBS Forum
97. What to do if the desired diameter is not available for the corresponding pressure rating in standard HG/T47021? - HCBBS Forum
98. Discussion on engineering pressures: shouldn’t the valve value be 63 kilograms? Why is 64 appearing? - HCBBS Forum
99. Is heat treatment required after cold bending of 10# steel U-tubes? - HCBBS Forum
100. Issues with the pressure gauge calibration reservation platform - HCBBS Forum