English — Forum #276 (Page 36/145)

1. For a Class 2 pressure vessel made of 304 material, if the manhole is lined, is heat treatment required? - HCBBS Forum
2. Valve selection tips and considerations - HCBBS Forum
3. Quality of container panels - HCBBS Forum
4. Those looking for help with the design and manufacturing of pressure vessels under demand - HCBBS Forum
5. Record of the 107-meter-long wind turbine blade production base - HCBBS Forum
6. Selection of lifting lugs for horizontal equipment - HCBBS Forum
7. The head size exceeds the standard - HCBBS Forum
8. Addition of boiler feedwater volume to the original start-up steam volume in the full low-variation transformation - HCBBS Forum
9. 1 - HCBBS Forum
10. Why cannot the flow orifice plate be installed in reverse? - HCBBS Forum
11. Please provide an introduction to the connection materials and structural design of the fans before and after the heating furnace - HCBBS Forum
12. Guys, how do you calculate the thickness of the reactor insulation layer? - HCBBS Forum
13. Chimney calculation software - HCBBS Forum
14. The hazards of oil contamination in compressed air systems; oil removal is crucial - HCBBS Forum
15. Basic knowledge requirements for centrifugal pumps that operators must possess before taking up their duties - HCBBS Forum
16. Types and characteristics of mixed gases in welding - HCBBS Forum
17. How to calculate overturning? - HCBBS Forum
18. The issue of the thickness of the small end of the high-neck flange and the thickness of the cylinder body - HCBBS Forum
19. The gas leak alarm installed near the gas drain is triggering alarms frequently - HCBBS Forum
20. Summary of 8 major mechanical failures and 9 major abnormal phenomena in boiler operation - HCBBS Forum
21. Requirements regarding weld width - HCBBS Forum
22. The lugs on the floating head inside the heat exchanger are severely corroded; how can one determine whether it can still be used? - HCBBS Forum
23. Question regarding the change of storage medium for chemical storage tanks - HCBBS Forum
24. Compressed air is widely used in food production; it’s important to understand these key points. - HCBBS Forum
25. Inspection of underground storage tanks - HCBBS Forum
26. Analysis of Issues Related to the Installation Management of Chemical Equipment and Countermeasures - HCBBS Forum
27. What electrodes and wires should be used for welding S22053 to 316, and what electrodes and wires are suitable for welding it to carbon steel? - HCBBS Forum
28. Selection and Strengthening Calculation of Thick-Walled Manhole Pipes - HCBBS Forum
29. Regarding the issue of pressure testing kits for water supply and drainage pipes - HCBBS Forum
30. What is the purpose of the holes on the thermal insulation support ring on the tower top head? - HCBBS Forum
31. Difference between economizer and air preheater - HCBBS Forum
32. Four key points for improving the welding skills for pressure vessels - HCBBS Forum
33. In-depth analysis of the advantages and disadvantages of water treatment membrane technologies (ultrafiltration, nanofiltration, reverse osmosis) - HCBBS Forum
34. Requirements for welding skills in stainless steel pressure vessels - HCBBS Forum
35. When can non-destructive testing be omitted for atmospheric pressure vessels? - HCBBS Forum
36. Basic knowledge of wear-resistant elbows - HCBBS Forum
37. Are Inconel600 and N06600 similar materials? - HCBBS Forum
38. When considering the static liquid column pressure in towers, should the SW6 calculation for the head thickness be applied to the upper head or the lower head? - HCBBS Forum
39. Are studs on pipe flanges larger than M36 required to undergo impact and tensile tests? - HCBBS Forum
40. Is catalytic oxidation for oil removal applied in the air compressor industry? - HCBBS Forum
41. Is it necessary to enter the pressure vessel for the annual inspection? What about regular inspections? You have to go into each one; isn’t that very troublesome? - HCBBS Forum
42. The pressure vessel certificate has expired; why is there no notification regarding continuing education? - HCBBS Forum
43. During strength expansion joining, when calculating the pulling force, whose area should be used? - HCBBS Forum
44. I need help from all the experts with a question. Trifluoroacetyl chloride - HCBBS Forum
45. What are the consequences of choosing a pump that is too large or too small? - HCBBS Forum
46. Should the design temperature of a pressure vessel be determined based on the highest operating temperature, or should the conditions during the commissioning period also be taken into account? - HCBBS Forum
47. Corrosion of stainless steel (316L) storage tanks for atmospheric pressure sulfuric acid - HCBBS Forum
48. Why can’t titanium and 304 steel be welded together? - HCBBS Forum
49. Types and basic characteristics of welding cracks - HCBBS Forum
50. Quality inspection standards for octagonal gaskets - HCBBS Forum
51. Common issues related to ISO45001 compliance - HCBBS Forum
52. Intergranular corrosion of stainless steel - HCBBS Forum
53. 100 Questions on Basic Knowledge of Equipment for Chemical Process Operators - HCBBS Forum
54. Online drum interface forging tube issue! ! ! - HCBBS Forum
55. What is the particle size of lubricating oil? - HCBBS Forum
56. Are shims and nuts necessary when tightening anchor bolts? - HCBBS Forum
57. Equipment management system for chemical enterprises - HCBBS Forum
58. Looking to purchase a set of heating furnaces - HCBBS Forum
59. What qualifications are required to manufacture skid-mounted pressure vessels? - HCBBS Forum
60. Process flow of LNG gasification station - HCBBS Forum
61. Seeking training materials for pressure vessel design engineers – Vessel construction techniques - HCBBS Forum
62. Casting material for the furnace of a circulating fluidized bed boiler - HCBBS Forum
63. For pressure vessels, changing their intended use reduces the associated risks – what procedures are required? - HCBBS Forum
64. 50,000 cubic meter LNG full-volume tank - HCBBS Forum
65. Consultation on the installation location of main steel structure columns - HCBBS Forum
66. Regarding the issue of increasing the withstand test pressure - HCBBS Forum
67. Quality Inspection Outline for Petrochemical Projects - HCBBS Forum
68. Classification and use of blast discs - HCBBS Forum
69. How exactly should an accident pool be designed? - HCBBS Forum
70. Changes in work stress - HCBBS Forum
71. The MVR Roots steam compressor experiences frequent seal leaks – what could be the cause? - HCBBS Forum
72. Quality Inspection Outline for Petrochemical Projects - HCBBS Forum
73. Is the section from the safety valve of the atmospheric pressure tank to the flare pipeline a pressure pipeline? - HCBBS Forum
74. Sealless pump: canned motor pump - HCBBS Forum
75. Are valves closed by turning clockwise and opened by turning counter-clockwise? - HCBBS Forum
76. What material to choose - HCBBS Forum
77. Calculation of foundation bolts for cylindrical storage tanks in PVDesktop - HCBBS Forum
78. The shell side and tube sheet welds of the heat exchanger use girth welds with linings for explosive media - HCBBS Forum
79. What are the different types of water separators used in air compressors, and how do they work? - HCBBS Forum
80. Issues with API 620 standard - HCBBS Forum
81. Although shrinkage cavities in spraying are a very common issue, other reasons exist apart from compressed air - HCBBS Forum
82. Corrosion Data and Material Selection Manual (Shared) - HCBBS Forum
83. Release the first wave of introductions to books on enterprise and equipment management – free download with screenshot introductions - HCBBS Forum
84. Precautions for installing check valves - HCBBS Forum
85. Which standard specifies the thinning rate for head forming? - HCBBS Forum
86. Operating temperatures and impact test temperatures for various types of container steel plates - HCBBS Forum
87. Issues related to the design pressure of true capacity containers - HCBBS Forum
88. Five common conceptual differences in heat treatment - HCBBS Forum
89. S25073 steel plate - HCBBS Forum
90. The design conditions for pressure vessels provided by the user should at least include the following elements - HCBBS Forum
91. Is polishing necessary after mechanically cleaning the reactor? - HCBBS Forum
92. What is the design pressure for heptafluoropropane gas cylinders? - HCBBS Forum
93. Steam cylinders actually fall under the category of pressure vessels, yet many factories fail to obtain the necessary permits? - HCBBS Forum
94. Why is stainless steel not listed as a material option for flanges in the NB/T47020~47027-2021 standards for pressure vessel flanges? - HCBBS Forum
95. Key points for the maintenance and inspection of motors - HCBBS Forum
96. Principles for distributing flow paths in heat exchangers - HCBBS Forum
97. Four welding methods for root welding of stainless steel pipes using TIG welding - HCBBS Forum
98. Local management of regular inspections for special equipment - HCBBS Forum
99. Glass-lined equipment gaskets - HCBBS Forum
100. How to determine the number of test pieces if the thickness of some towers or pressure vessel cylinders is different? - HCBBS Forum