English — Forum #276 (Page 21/145)

1. Requirements for re-inspection of grade 3 forgings in NB/T 47008 - HCBBS Forum
2. Regarding the issue of installing check valves on the floating roof drainage pipes of storage tanks - HCBBS Forum
3. The relationship between the color of titanium welds and welding quality - HCBBS Forum
4. What is preventive maintenance? How to carry out preventive equipment maintenance? - HCBBS Forum
5. Repair welding of heat exchanger - HCBBS Forum
6. Differences and relationships between strength, stiffness, and elastic modulus - HCBBS Forum
7. Key points for welding low-temperature carbon steel - HCBBS Forum
8. What is a neutral flux? Is an alkaline flux a neutral flux? - HCBBS Forum
9. Oil storage tank, base control valve - HCBBS Forum
10. In the flange pressure and temperature comparison table, do pressure and temperature refer to design parameters or operating parameters? - HCBBS Forum
11. When lifting vertical equipment with ear mounts, it cannot be lifted by hanging onto those ear mounts – is there any problem with that? - HCBBS Forum
12. What standards and regulations specify the time limits for handling various matters related to special equipment? - HCBBS Forum
13. Regarding the registration for the use of skid-mounted equipment - HCBBS Forum
14. I’d like to ask some questions regarding powder conveying technology - HCBBS Forum
15. Experience that is easily overlooked during equipment inspection - HCBBS Forum
16. Reason for leaving three threads on the bolt - HCBBS Forum
17. What is the difference between ASME equipment marked with a U stamp and those that are not? - HCBBS Forum
18. Ferrite content - HCBBS Forum
19. 【Haichuan Expands Horizons】Series compilation post – continuously updated in 2024 - HCBBS Forum
20. Issues related to weld assessment coverage (discussion) - HCBBS Forum
21. What are the key control points in the heat treatment of fasteners? - HCBBS Forum
22. Five advanced heat treatment technologies - HCBBS Forum
23. Equipment and Vehicle Preparation Management System - HCBBS Forum
24. What is equipment technical condition management? - HCBBS Forum
25. What impact does rotor unbalance have on the quality of an electric motor? - HCBBS Forum
26. Winter Anti-freezing and Anti-condensation Safety Management PPT - HCBBS Forum
27. Seeking advice on heating furnace knowledge - HCBBS Forum
28. I would like to ask about the reasons for leaks in the heat exchange tubes of the waste heat boiler evaporator! ! ! Waiting online - HCBBS Forum
29. What is a steel-plastic transition joint? - HCBBS Forum
30. Elastic seat gate valve - HCBBS Forum
31. Summary of Common Issues in Pressure Vessel Design Reviews (I) - HCBBS Forum
32. Is the manufacturer of the boiler also the designer? - HCBBS Forum
33. A brief discussion on the toughness of steel and the causes of fracture - HCBBS Forum
34. Advantages, disadvantages, and technical specifications of various level switches - HCBBS Forum
35. Precautions for installing check valves - HCBBS Forum
36. Why do welds crack? - HCBBS Forum
37. How to control the dimensions of reducer fittings during the manufacturing process - HCBBS Forum
38. Discussion on Notification and Inspection Issues for Pressure Vessel Nozzle Replacement - HCBBS Forum
39. For fittings with a diameter of less than 250 mm, is flaw detection required for the longitudinal seams? - HCBBS Forum
40. Precautions for replacing the valve core - HCBBS Forum
41. In NBT47014-2023, what is the impact of triangular and square arrangements of weldment specimens for tube sheet welding procedure qualification? - HCBBS Forum
42. Conversion of fixed-roof oil tanks into internal floating-roof oil tanks - HCBBS Forum
43. Installation issues with CAESARII and PVelite - HCBBS Forum
44. How should the specific time period of \"one month before the expiration of the valid period for inspection approval\" of special equipment be understood? - HCBBS Forum
45. Hydraulic test, pneumatic test, leak test - HCBBS Forum
46. Technical requirements for process pipeline installation - HCBBS Forum
47. Should FG or G be used for welder projects of plug-in and fixed composite structures? - HCBBS Forum
48. How to set up alarms and interlocks for tank farm level and emergency shut-off valves in DCS and SIS systems - HCBBS Forum
49. [Carefully compiled] Pressure vessels, boilers, pipelines | Collection of standards, specifications, and books [High-definition, watermark-free, with detailed bookmarks] - HCBBS Forum
50. Welding of S31008 and Q345 - HCBBS Forum
51. Equipment management and equipment maintenance management in large enterprises - HCBBS Forum
52. I need a tutorial on using NozzlePro - HCBBS Forum
53. How can innovation be introduced into equipment inspection, maintenance, and repair? - HCBBS Forum
54. Analysis of the causes of oil seepage and leakage in mechanical equipment and solutions - HCBBS Forum
55. Which domestic company is good at producing Incoloy 825 material? - HCBBS Forum
56. Safety valve discharge volume - HCBBS Forum
57. Q&A on Tubular Heating Furnace Technology [12] - HCBBS Forum
58. Selection of catalysts in catalytic hydrogenation processes - HCBBS Forum
59. For alkali stress corrosion cracking, which part needs heat treatment? - HCBBS Forum
60. 【Ten Years of Rapid Development in Chemical Equipment】1594–2024: Dehydrogenation Reactor for Saudi Shabik’s PKN 1 million-ton MTBE Project - HCBBS Forum
61. What to do if the material surface is mechanically damaged during the manufacturing of pressure vessels? - HCBBS Forum
62. Online calibration and deferred calibration of safety valves - HCBBS Forum
63. Q&A on Tubular Heating Furnace Technology [26] - HCBBS Forum
64. High-pressure toothed gasket damage leads to plant shutdown - HCBBS Forum
65. Summary of 85 basic knowledge points on TPM device management - HCBBS Forum
66. Design requirements for relief devices (safety valves, burst discs) of pressure vessels - HCBBS Forum
67. Causes of welding \"heat cracks\" and preventive measures - HCBBS Forum
68. Heat treatment of high-performance austenitic stainless steels – stress relief - HCBBS Forum
69. Derivation of formulas in Appendix H of GB 50341-2014 - HCBBS Forum
70. Why is 304 material not recommended for bolts? - HCBBS Forum
71. The stainless steel surface of the insulated stainless steel spherical tank is covered in rust – how should this be dealt with? - HCBBS Forum
72. Recent developments in standards for steel plates used in pressure vessels - HCBBS Forum
73. What does “four types of steel” refer to in a welder’s certificate? - HCBBS Forum
74. Q&A on Tubular Heating Furnace Technology [8] - HCBBS Forum
75. Gentlemen, do you have Ding Bomin’s “Code Analysis of Pressure Vessels”? - HCBBS Forum
76. The function of the valve melt plug - HCBBS Forum
77. The culprit behind pores in aluminum welding – hydrogen - HCBBS Forum
78. Valve 16 asks, which one is difficult for you? - HCBBS Forum
79. Installation of on-site pressure gauges - HCBBS Forum
80. Precautions for using breather valves - HCBBS Forum
81. Tube sheet drilling range line - HCBBS Forum
82. Why is the vacuum poor in the vacuum distillation tower? - HCBBS Forum
83. Safety Operating Procedures for Equipment Inspection (29 items) - HCBBS Forum
84. Precautions for using pressure transmitters in operation - HCBBS Forum
85. Introduction to Q345 material - HCBBS Forum
86. Do you know the 5 whys of acetylene gas cylinders? - HCBBS Forum
87. Why are gas storage tanks designed to be spherical? - HCBBS Forum
88. Four key tips for pressure vessel welding techniques - HCBBS Forum
89. Classification of refractory fiber products at home and abroad - HCBBS Forum
90. Seeking advice on the discharge capacity of the heat exchanger (safety valve) - HCBBS Forum
91. Why are spherical tanks called Houghton tanks? - HCBBS Forum
92. Air-cooling leakage treatment - HCBBS Forum
93. Pressure Vessel Quotation Software_V2.0.1_20191222 - HCBBS Forum
94. What happens when the approver responsible for pressure vessel design approval leaves? - HCBBS Forum
95. Detailed Explanation of Pressure Vessel Knowledge - HCBBS Forum
96. Welder’s license - HCBBS Forum
97. Should the supply condition for 15CrMoR+S32168 composite plates be N+T or stress-relief annealing? - HCBBS Forum
98. Classification and evaluation of residual stress - HCBBS Forum
99. Ammonia synthesis process, ammonia separation equipment, process parameters, thermal insulation - HCBBS Forum
100. Predictive maintenance - HCBBS Forum