English — Forum #276 (Page 26/145)

1. What is PAUT, and what is the difference between it and TOFD? - HCBBS Forum
2. What qualifications does a company that performs pressurized pipe opening work in industrial settings need, and what certificates must the operators hold? - HCBBS Forum
3. Issues with the pressure gauge installation for the refrigerant return pipes in equipment such as heat exchangers - HCBBS Forum
4. Feasibility of adding another check valve after a swing check valve - HCBBS Forum
5. Key points to note in low-temperature pressure vessel technology - HCBBS Forum
6. 10 principles for equipment maintenance - HCBBS Forum
7. Purging and cleaning of chemical plants before commissioning - HCBBS Forum
8. Introduction to the seven modules of the DCS control system - HCBBS Forum
9. Q&A on Tubular Heating Furnace Technology [27] - HCBBS Forum
10. Essential basic knowledge for materials science - HCBBS Forum
11. Dangers of using carbon steel electrodes to weld stainless steel components - HCBBS Forum
12. Welding problems of austenitic stainless steel and countermeasures - HCBBS Forum
13. The ten relatively promising software programs that I have identified! - HCBBS Forum
14. Common knowledge on valve installation - HCBBS Forum
15. Hydrogen-induced cracking - HCBBS Forum
16. Discussion on the connection and installation of steel structures and concrete structures. - HCBBS Forum
17. Summary of 8 major mechanical failures and 9 major abnormal phenomena in boiler operation - HCBBS Forum
18. Differences between TIG, MIG, and MAG welding - HCBBS Forum
19. The relationship between the color of titanium welds and welding quality - HCBBS Forum
20. Are the lubrication oil pipelines commonly used to convey steam turbines and generators considered regulated pressure pipelines? - HCBBS Forum
21. Leakage in the mechanical seal of the pump - HCBBS Forum
22. What impact do different types of gaskets have on the calculations for flanges when axial forces and bending moments are applied? - HCBBS Forum
23. What parameters are required to purchase plate heat exchangers and air coolers? - HCBBS Forum
24. A comprehensive analysis of the advantages and disadvantages of four types of flowmeters - HCBBS Forum
25. Flat cover opening reinforcement problem - HCBBS Forum
26. Steam is coming from the surface of the heating furnace header - HCBBS Forum
27. Device operation flexibility issue - HCBBS Forum
28. Difference between PFA and PTFE - HCBBS Forum
29. When calculating the 6% allowance using the area method for handholes, etc., is it necessary to add a circle? - HCBBS Forum
30. Calculation of steam regenerators - HCBBS Forum
31. The issue of the upper limit on base metal thickness after solution treatment in welding qualification - HCBBS Forum
32. JJF( Gi )31-2021 Calibration Specification for Thermometric Instrument Calibrators - HCBBS Forum
33. 【Ten Years of Rapid Development in Chemical Equipment】1611–2024: Zhanghua Machinery delivered a 10-meter-diameter acrylonitrile reactor to Wanhua - HCBBS Forum
34. Requirements regarding weld width - HCBBS Forum
35. Where can one find information regarding the qualifications of companies that are engaged in the design, installation, modification, and repair of special equipment such as pressure vessels, boilers, forklifts, and elevators? - HCBBS Forum
36. Properties of 904L material - HCBBS Forum
37. [Haichuan Equipment Guess] Is the gas release tower a type of torch? - HCBBS Forum
38. The purpose of the dual-valve setup - HCBBS Forum
39. Common defects of pressure vessels and treatment methods - HCBBS Forum
40. How to determine the selection of reducers and frames for kettles - HCBBS Forum
41. Practical Application of Condition Monitoring and Fault Diagnosis Techniques in Modern Equipment Management - HCBBS Forum
42. Level 3 maintenance for equipment management - HCBBS Forum
43. Corrosion of stainless steel by chloride ions - HCBBS Forum
44. Installation and replacement cycle of blast discs - HCBBS Forum
45. Methods for the verification and calibration of non-destructive magnetic particle inspection equipment - HCBBS Forum
46. 225-Leaf Separator: Used for the upgrading of traditional baffle separator technology in the steam at the inlet of steam turbine compression units - HCBBS Forum
47. Calculation of equivalent length for compressive instability - HCBBS Forum
48. What are the differences between the ferritic 430 stainless steel and the austenitic 304, 316 stainless steels? - HCBBS Forum
49. For DN40 seamless steel pipes, is it possible that the outer diameter is 70, or is there an error in the drawing specifications? - HCBBS Forum
50. The thickness calculation for the tube sheet, which also serves as a flange, takes into account the reduction resulting from the grooved areas - HCBBS Forum
51. Precautions for installing check valves - HCBBS Forum
52. How to configure the series connection of HTRI economizers - HCBBS Forum
53. Can the designed service life of stainless steel pressure vessels in the above category be specified as more than 20 years? - HCBBS Forum
54. Answers to Practical Questions on Air Separation - HCBBS Forum
55. Q&A on Tubular Heating Furnace Technology [Final] - HCBBS Forum
56. Keep these winter welding precautions in mind! - HCBBS Forum
57. I’d like to ask gently: regarding the requirement for a welder’s certification, when welding Fe4 and Fe2 materials, can a welder who only has a certification for Fe4 carry out this welding work? - HCBBS Forum
58. What kind of equipment is shown in the picture for urea or synthetic ammonia? - HCBBS Forum
59. Corrosion inspection plan for chemical plants - HCBBS Forum
60. Detailed explanation of the testing locations for the mechanical and chemical properties of forgings - HCBBS Forum
61. What are flooding, tower flooding, and tower overflows? - HCBBS Forum
62. A brief discussion on the welding processes and characteristics of wire harness welding - HCBBS Forum
63. The highest level of dry non-standard work - HCBBS Forum
64. What are the main differences between drum boilers and once-through boilers? - HCBBS Forum
65. Q&A on Tubular Heating Furnace Technology [2] - HCBBS Forum
66. Seeking performance specifications for 300-ton and 500-ton truck cranes - HCBBS Forum
67. What do sleeve valves look like? - HCBBS Forum
68. Legging equipment platform - HCBBS Forum
69. Domestically pioneered installation using the \"integral jacking and sliding method for spherical tanks\" - HCBBS Forum
70. Factors affecting the deformation of workpieces - HCBBS Forum
71. How to select materials for external pressure vessels in low ambient temperatures - HCBBS Forum
72. Experience in using high-pressure reaction vessels - HCBBS Forum
73. Causes of poor vacuum in a reduced-pressure distillation column - HCBBS Forum
74. Factors affecting gasket and packing seals - HCBBS Forum
75. Is a special construction license required for steel structure demolition projects? - HCBBS Forum
76. Introduction to Common Non-Destructive Testing Methods - HCBBS Forum
77. What diameter does a super-large pressure vessel need to have to be considered such? - HCBBS Forum
78. What does the pipe grade A01A2FC mean? - HCBBS Forum
79. Analysis of Common Causes of Corrosion in Petrochemical Equipment and Practical Anti-corrosion Strategies - HCBBS Forum
80. Practical tips for commonly used pressure gauges - HCBBS Forum
81. Q&A on Tubular Heating Furnace Technology [4] - HCBBS Forum
82. Classification and selection of lubricants - HCBBS Forum
83. How to handle abnormal operating conditions in chemical enterprises? The guidelines are here! - HCBBS Forum
84. Safety accessories for pressure vessels - HCBBS Forum
85. Seismic load - HCBBS Forum
86. Technical Instructions for the Installation of Spherical Storage Tanks - HCBBS Forum
87. 【Ten Years of Rapid Development in Chemical Engineering Equipment】1208 – \"China National Heavy Machinery\" and Hydrogenation Reactors for Major Industrial Applications - HCBBS Forum
88. Thought-provoking questions for defense by some pressure vessel design reviewers - HCBBS Forum
89. Regarding the welding scope for the welder certification program. - HCBBS Forum
90. I would like to ask everyone: what is the standard for determining that a valve has passed the hydraulic pressure sealing test? - HCBBS Forum
91. Experience in using high-pressure reaction vessels - HCBBS Forum
92. Control of welding deformation in heat exchanger tube sheets - HCBBS Forum
93. 【Haichuan Expands Horizons】Aerial assembly of the upper section of the hydrogen sulfide concentration tower in Baofeng’s coal-based new materials purification facility - HCBBS Forum
94. 5 Common Misconceptions about Equipment Management - HCBBS Forum
95. Where are steel impact tests conducted? - HCBBS Forum
96. Effect of the microstructure of metallic materials on their properties - HCBBS Forum
97. Crack prevention and heat treatment processes for high-manganese steel - HCBBS Forum
98. Does this expansion joint require gaskets? - HCBBS Forum
99. Solution to the corrosion of the steam generator boiler, red sewage color, and excessive condensate iron - HCBBS Forum
100. Q&A on Tubular Heating Furnace Technology [23] - HCBBS Forum