English — Forum #276 (Page 24/145)

1. The risks associated with hydrogen use cannot be ignored in hydrogen peroxide systems - HCBBS Forum
2. Selection of angle steel in atmospheric pressure equipment - HCBBS Forum
3. Why should ammonia escape be kept below 3 ppm? - HCBBS Forum
4. Operating temperatures for common valve packings and gaskets - HCBBS Forum
5. What does the color of the outer ring of a spiral wound gasket mean? - HCBBS Forum
6. Hydrogenation Unit Equipment Science * Materials - HCBBS Forum
7. How is the installation of PE pipes (polyethylene pipes) inspected, and which standard does it follow? - HCBBS Forum
8. Must the flange be made of forgings? - HCBBS Forum
9. The importance of pre-welding heating and post-welding heat treatment - HCBBS Forum
10. Thoughts and methods for implementing equipment inspection management in enterprises - HCBBS Forum
11. The role of molybdenum in enhancing the corrosion resistance of stainless steel - HCBBS Forum
12. PVdesktop software ASME material list - HCBBS Forum
13. Q&A on Tubular Heating Furnace Technology [10] - HCBBS Forum
14. Introduction to grain size and inclusions in metal materials for pressure vessels - HCBBS Forum
15. Q&A on Tubular Heating Furnace Technology [25] - HCBBS Forum
16. Design of liquid level gauges for steel storage tanks - HCBBS Forum
17. Welding material issues for S30409 material - HCBBS Forum
18. Detailed explanation of the mechanism behind welding porosity - HCBBS Forum
19. Stress analysis and evaluation of spherical tanks - HCBBS Forum
20. Material description in the pipeline material table - HCBBS Forum
21. Key things you need to know about storing welding wire - HCBBS Forum
22. How can zero-failure equipment management be achieved? - HCBBS Forum
23. Regarding the adjustment of the output vacuum level of the vacuum pump? - HCBBS Forum
24. Boiler classification - HCBBS Forum
25. Comprehensive Compilation of Equipment Management Systems (Part 1) - HCBBS Forum
26. Operation of field equipment – inspections, checks, and defect supervision and management - HCBBS Forum
27. Common problems frequently encountered in welding engineering quality - HCBBS Forum
28. Standards for checking the condition of various equipment - HCBBS Forum
29. The sealing principle of packing fillers - HCBBS Forum
30. Maintenance tasks for the methanol synthesis separator - HCBBS Forum
31. What kind of flange is called an insulating flange, an insulating joint? - HCBBS Forum
32. Elastic support for pressure vessels - HCBBS Forum
33. Corrosion and integrity management of high-pressure air cooling system of hydrocracking unit - HCBBS Forum
34. Which welding material is more suitable - HCBBS Forum
35. Corrosion of typical chemical acids and material selection - HCBBS Forum
36. Selection of corrosion-resistant alloy materials - HCBBS Forum
37. Re-inspection of austenitic flat plates - HCBBS Forum
38. The importance of air storage tanks and the calculations for selecting such tanks in compressed air systems - HCBBS Forum
39. What is pipe stress? - HCBBS Forum
40. How to deal with cracks that occur during the repair welding of sand holes in the casing of mechanical pumps? - HCBBS Forum
41. Four major strengthening methods for metal materials - HCBBS Forum
42. Key safety points for pressure vessels - HCBBS Forum
43. What welding position is this? - HCBBS Forum
44. Why did HaiChuan change its search function? It’s basically unusable now - HCBBS Forum
45. Introduction to various system security analysis methods (102 pages) - HCBBS Forum
46. Summary of experience in chemical engineering design - HCBBS Forum
47. Chemical process instruments → Inspection - HCBBS Forum
48. Tube Sheet Questions (II) - HCBBS Forum
49. Seek the standard SD 260-1988: Regulations on the Supervision and Management of Thermal Instrumentation and Control Devices (for small local thermal power plants across the country) - HCBBS Forum
50. Inconsistency between the FRNC-5 excess air coefficient and oxygen content control - HCBBS Forum
51. For stainless steel base materials, cold working is used for cutting; what equipment is employed to process the grooves through cold working? - HCBBS Forum
52. What does the arrow on the valve mean? Stop misunderstanding! - HCBBS Forum
53. Can reinforcing rings be used for pressure vessels made of 316 and duplex steel, as well as 904L? - HCBBS Forum
54. Does anyone know which company makes decent ultrasonic filter cleaning equipment? Please recommend some - HCBBS Forum
55. 【Ten Years of Rapid Development in Chemical Equipment】Facilities for producing 742,000 tons of methyl tert-butyl ether from 1514 to 2023, as well as 700-ton peroxide reaction reactors - HCBBS Forum
56. Issues to consider for positions related to equipment management - HCBBS Forum
57. Sealing knowledge - HCBBS Forum
58. Welding process for the circumferential weld between the head and the cylinder of pressure vessels - HCBBS Forum
59. When the heat exchanger section partition and tube sheet are connected by welding, is it necessary to enter the cross-sectional area of the section partition? - HCBBS Forum
60. The three key aspects of daily inspections as part of the basic work in equipment management - HCBBS Forum
61. Valuable tips to collect! Determination of flow velocity in pipes with different media - HCBBS Forum
62. Experience and Model Innovation in the Construction of CNOOC’s 12 million tons per year Huizhou Refinery Project -- Liu Jianli - HCBBS Forum
63. What is a steam pressure matcher? ? ? ? Are there any pictures? - HCBBS Forum
64. What are the sources of pressure in pressure vessels? - HCBBS Forum
65. A detailed explanation of the transformations in steel during heating - HCBBS Forum
66. Detailed explanation of cracking in carbon steel and low-alloy steel - HCBBS Forum
67. Safety accessories for pressure vessels - HCBBS Forum
68. Seek GB/T 10858-2023 aluminum and aluminum alloy welding wires - HCBBS Forum
69. [Guess what Haichuan Equipment] He is the one who made the product so cheap - HCBBS Forum
70. Guys, the PV freezes all the time - HCBBS Forum
71. How to check for safety hazards in air compressors? - HCBBS Forum
72. Request for hydrostatic testing of the heat exchanger tube bundle - HCBBS Forum
73. What is the name of this type of cast valve with raised ends on both sides, and what is its function? Also, is the connection between the valve and the pipe of the plug-in type? - HCBBS Forum
74. For S31008+Q345R welding, is ER310 better or ER309L? - HCBBS Forum
75. Q&A on Tubular Heating Furnace Technology [13] - HCBBS Forum
76. Misconceptions about equipment lubrication and rationalization suggestions - HCBBS Forum
77. Discussion on equipment inspection work - HCBBS Forum
78. Regarding the welding method for small nozzles on flat covers - HCBBS Forum
79. Issues regarding the regular inspection of PTFE-lined pressure pipelines - HCBBS Forum
80. Pressure pipeline flange type test coverage - HCBBS Forum
81. Properties of 904L material - HCBBS Forum
82. DL/T 1056-2019 Guidelines for Technical Supervision of Thermal Instrumentation and Control Systems in Power Plants - HCBBS Forum
83. Points to note in the process design of hydrogenation reactions - HCBBS Forum
84. Our factory manufactures both pressure boilers and pressure vessels; can the same system be used for the forms? - HCBBS Forum
85. What’s wrong with explosion-proof electrical equipment? - HCBBS Forum
86. Detailed comparison of sandblasting and shot blasting treatments - HCBBS Forum
87. The king of corrosion-resistant materials - HCBBS Forum
88. Some knowledge about bearing temperature - HCBBS Forum
89. Alternative devices for glass phase separators - HCBBS Forum
90. 【Ten Years of Rapid Development in Chemical Processing Equipment】One-step Forming of Extra-Thick Titanium Composite Heads by Thermal and Pressure Methods from 1171 to 2023 - HCBBS Forum
91. Oxygen content in the heating furnace - HCBBS Forum
92. Naming rules for the seven most commonly used steel grades - HCBBS Forum
93. Introduction to the heat resistance temperature of stainless steel - HCBBS Forum
94. Why are double saddles the best choice for horizontal containers? - HCBBS Forum
95. Causes of pores in gas shielded welding and methods to prevent them - HCBBS Forum
96. Welding defects—A detailed explanation of reheat cracks - HCBBS Forum
97. Installing VISUAL FLOW 5.4 on WIN11 - HCBBS Forum
98. Specific definition of the hydrotest pressure in the standards - HCBBS Forum
99. Common materials prone to reheat cracking - HCBBS Forum
100. Precautions for using bolts made of 304 and 316 materials - HCBBS Forum