English — Forum #276 (Page 29/145)

1. [Haichuan Equipment Guess] A braid on the head - HCBBS Forum
2. 24 Basic Facts About Centrifugal Pumps That Must Be Understood - HCBBS Forum
3. Regarding how to determine the design temperature for container supports - HCBBS Forum
4. Basic analysis of steel fracture - HCBBS Forum
5. Causes of metal hydrogen embrittlement and solutions - HCBBS Forum
6. Summary of Basic Knowledge on Heat Treatment - HCBBS Forum
7. Welding techniques for the six major welding processes - HCBBS Forum
8. The top priority in equipment management - HCBBS Forum
9. A foreign customized static melting crystallizer - HCBBS Forum
10. The new GB/T 713 series of standards has been officially released - HCBBS Forum
11. Regarding the GB/T713-2023 standard - HCBBS Forum
12. Flange manufacturers use four processes to produce flanges - HCBBS Forum
13. What is the difference between special operations and particular operations? - HCBBS Forum
14. Seeking materials capable of withstanding high temperatures and high concentrations of sulfuric acid - HCBBS Forum
15. Has anyone used this oil filling hole on the ball valve? - HCBBS Forum
16. throttling orifice plate - HCBBS Forum
17. A Comprehensive Guide to Flange Knowledge - HCBBS Forum
18. 【Ten Years of Rapid Development in Chemical Equipment】The first domestically produced ethylene oxide reactor was assembled on-site in Jilin from 1986 to 2012 - HCBBS Forum
19. The purpose of the dual-valve setup - HCBBS Forum
20. piping pitting corrosion - HCBBS Forum
21. Purpose and principles of metal hose installation - HCBBS Forum
22. Requirements for impact testing of sheets of a certain thickness - HCBBS Forum
23. What kind of welded joints are prone to reheat cracking or delayed cracking? - HCBBS Forum
24. Q&A on Instrument Explosion Protection Knowledge - HCBBS Forum
25. Knowledge related to pressure vessel pressure testing and leakage testing - HCBBS Forum
26. Maintenance and Repair Procedures for Shell-and-Tube Heat Exchangers [2019 Edition] - HCBBS Forum
27. Differences between equipment inspection and routine patrols - HCBBS Forum
28. Differences between oriented silicon steel and non-oriented silicon steel - HCBBS Forum
29. How to calculate the K value of the weld leg in the fillet weld joint diagram - HCBBS Forum
30. How to replace a dry air-cooling tube bundle? - HCBBS Forum
31. Should flat washers or spring washers be used? - HCBBS Forum
32. What is the test pressure for air pressure? - HCBBS Forum
33. The twelve steps of the equipment inspection process - HCBBS Forum
34. The top ten issues most easily overlooked in welding - HCBBS Forum
35. Regarding the weld evaluation classification report - HCBBS Forum
36. Comparison of performance characteristics, advantages, and disadvantages of three types of compressors - HCBBS Forum
37. Leakage problems of mechanical seals and maintenance countermeasures - HCBBS Forum
38. Thickness reduction during the forming of hemispherical heads - HCBBS Forum
39. How should emergency shut-off valves be installed in hazardous chemical storage tank areas? - HCBBS Forum
40. Factors affecting gasket and packing seals - HCBBS Forum
41. Valve pressure: conversion between national and international standards - HCBBS Forum
42. Twenty-five super practical \"mnemonics\" for equipment management” - HCBBS Forum
43. What are the methods of non-destructive testing? What’s the difference? - HCBBS Forum
44. How to prepare a maintenance plan for production equipment in industrial enterprises? - HCBBS Forum
45. Calculation of tower wall thickness strength - HCBBS Forum
46. Pressure adjustment and operating procedures for safety valves - HCBBS Forum
47. For the corrosion protection of metal materials, is phosphating or passivation the better choice? - HCBBS Forum
48. Valve sealing rating and selection - HCBBS Forum
49. Four key points to keep in mind for effective equipment management - HCBBS Forum
50. Aluminum alloy surface treatment processes - HCBBS Forum
51. A comprehensive guide to the knowledge of part machining accuracy that is essential to master in machining - HCBBS Forum
52. Is it necessary to conduct a weld assessment for non-corrosion-resistant surfacing layers, such as strength surfacing layers? And if so, which standards should be followed? - HCBBS Forum
53. Solved - HCBBS Forum
54. 【National Standard Announcement No. 9】Updates to several standards related to heat exchangers - HCBBS Forum
55. Why can low-carbon steel be welded while high-carbon steel cannot? What is the difference between low-carbon steel and high-carbon steel? - HCBBS Forum
56. Several new technologies in the development of heat treatment - HCBBS Forum
57. Why is it necessary to drain water from steam systems? - HCBBS Forum
58. If the design temperature of the container exceeds 200°C, how should the supports be selected? - HCBBS Forum
59. How are the license levels for pressure vessel manufacturing classified? - HCBBS Forum
60. General Standard for the Preparation Format of Technical Documents - HCBBS Forum
61. What is the purpose of the area where the flue gas exits and enters the chimney? - HCBBS Forum
62. The century-long development of super austenitic stainless steels - HCBBS Forum
63. Negative pressure vacuum equipment: 60° and 90° cones, which one has a stronger resistance to negative pressure? - HCBBS Forum
64. What documents are required after the construction of the heating furnace is completed and it comes online? - HCBBS Forum
65. Do you know anything about X-ray digital imaging inspection? What are its advantages and disadvantages compared to film-based RT? - HCBBS Forum
66. Remember the 8 key rules: easily reduce welding deformation and welding stress - HCBBS Forum
67. Please explain cathodic protection, anodic protection, and forced current cathodic protection in simple terms, Master. Thank you. - HCBBS Forum
68. What welding rod is used for welding stainless steel? How to weld stainless steel? - HCBBS Forum
69. Should the intergranular corrosion experiments on containers be conducted with test specimens, or directly on the containers themselves? - HCBBS Forum
70. Manufacturers of hydrogenation reactor internals - HCBBS Forum
71. The method of having designated personnel conduct inspections on equipment and the key points for such operations - HCBBS Forum
72. Recommend some good professional training institutions for equipment - HCBBS Forum
73. What defects, and how did they form? - HCBBS Forum
74. Tube Sheet Questions (1) - HCBBS Forum
75. Issues related to annual inspection of pressure vessels - HCBBS Forum
76. Bolt performance - HCBBS Forum
77. Can flange bolts be tightened under pressure? - HCBBS Forum
78. Yield strength of metal materials and its influencing factors - HCBBS Forum
79. Solution strengthening, work hardening, fine grain strengthening, second phase strengthening - HCBBS Forum
80. Why do steels with high carbon content break easily? - HCBBS Forum
81. What are the factors that limit the volume of hydrogen tanks? Is it hydrogen embrittlement, pressure resistance, or an interaction between the two? - HCBBS Forum
82. Causes of the nine common scaling components that lead to overheater scaling and tube failure, as well as solutions - HCBBS Forum
83. Collection of advantages and disadvantages of various valves - HCBBS Forum
84. Fault diagnosis: vibration, noise, temperature, flaw detection - HCBBS Forum
85. I’d like to ask gently about thermal pipelines (GB2) and industrial pipelines (GC) - HCBBS Forum
86. Pressure test for pressure vessel manufacturing - HCBBS Forum
87. How to calculate this for elliptical head pressure vessels - HCBBS Forum
88. Under what circumstances should internal grooves be selected for welded butt joints? Under what circumstances should external bevel be chosen? Are there any standard regulations? - HCBBS Forum
89. Why are sulfur and phosphorus contents restricted in steels for pressure vessels? - HCBBS Forum
90. Equipment layout drawing FP - HCBBS Forum
91. Difference between nominal diameters DN65 and DN70 - HCBBS Forum
92. Mandatory standard – After its issuance, liquefied hydrocarbon storage tanks with a capacity of over 3,000 m3 are no longer allowed to be used! - HCBBS Forum
93. 【Ten Years of Rapid Development in Chemical Processing Equipment】1400–2023: The Largest Plug Flow Trap for Domestic Offshore Platforms - HCBBS Forum
94. PVDC monomer recovery compressor information - HCBBS Forum
95. Calculations for the painting work - HCBBS Forum
96. Are standard pipe flanges that carry nozzle loads exempt from calculations? - HCBBS Forum
97. How to adjust the negative pressure in the furnace chamber of a tubular heating furnace - HCBBS Forum
98. Which pipes require static grounding/bonding? - HCBBS Forum
99. In the calculation of the SW-6 safety valve, the values of the design pressure and overpressure limit that are entered. - HCBBS Forum
100. Issue with the arrangement of foot bolt holes for container supports - HCBBS Forum