English — Forum #276 (Page 27/145)

1. What are the special requirements for low-temperature pressure vessels? - HCBBS Forum
2. Q&A on Tubular Heating Furnace Technology [20] - HCBBS Forum
3. Regarding the 2023 pressure vessel manufacturing recertification exam - HCBBS Forum
4. How to extend the service life of control valves? - HCBBS Forum
5. Can a high-pressure threaded flange be replaced with a flange having an RF seal surface? - HCBBS Forum
6. Regarding the heater leak - HCBBS Forum
7. A collection of 148 technical Q&A questions about pumps - HCBBS Forum
8. Reasons for excessive hardness values during the welding of carbon steel and low-alloy steel pipes and solutions - HCBBS Forum
9. What is the current status of the cooler? Is it a problem with the circulating water? - HCBBS Forum
10. Terms for valve components - HCBBS Forum
11. Why does one need to turn the gate valve half a turn when closing or opening it? - HCBBS Forum
12. Are there any methods for dealing with deviations in the control of heat exchanger tube sheets and drawings? - HCBBS Forum
13. Measures to improve the fatigue strength of welded structures - HCBBS Forum
14. A brief overview of some lesser-known facts about fermentation tanks - HCBBS Forum
15. 【Ten Years of Rapid Development in Chemical Equipment】High-value-added hydrogen-resistant steel plates with a thickness of 201 millimeters were approved for use from 1252 to 2023 - HCBBS Forum
16. What procedures are required for repairing pressure vessels, what work needs to be done, and what documents are included in the completion records? - HCBBS Forum
17. Are the steam-filled jacket and the pipes on the jacket that are larger than 250 mm the main pressure-bearing elements? - HCBBS Forum
18. Why is high-carbon steel difficult to weld? - HCBBS Forum
19. Supervision Outline for Plate and Shell Heat Exchangers - HCBBS Forum
20. What markings should be on seamless steel pipes? - HCBBS Forum
21. About RTO incinerator equipment manufacturers - HCBBS Forum
22. Introduction to hydraulic testing, pneumatic testing, and leak testing of pressure vessels - HCBBS Forum
23. Main factors affecting heat treatment deformation - HCBBS Forum
24. Are there any manufacturers that produce ceramic filters? Contact me - HCBBS Forum
25. The seven principles of pressure vessel design - HCBBS Forum
26. Seek floating valve tray drawings - HCBBS Forum
27. Using the waste heat generated from natural gas combustion to calculate the heat exchange area - HCBBS Forum
28. Welder certification project coverage issues - HCBBS Forum
29. How to convert between PSI and MPa pressure units? - HCBBS Forum
30. Why does a change in flow rate cause a change in pressure? Also, why isn’t it called oil shock pressure? - HCBBS Forum
31. Which is better for strengthening equipment: channel steel or square steel? Does the manufacturer say that square steel can withstand good stress? - HCBBS Forum
32. Why is the circumferential stress of horizontal vessels not checked for stability? - HCBBS Forum
33. When the heat exchange tube material is S316, why is S316 cladded on the fixed tube sheet? - HCBBS Forum
34. Key points for the management and maintenance of special equipment - HCBBS Forum
35. Visual identification management for heating furnaces - HCBBS Forum
36. Introduction to hydraulic testing, pneumatic testing, and leak testing of pressure vessels - HCBBS Forum
37. Summary of Technical Requirements for the Safe Storage of Liquid Chlorine - HCBBS Forum
38. Calculation of saddle supports for horizontal containers - HCBBS Forum
39. Looking for recommendations for domestic manufacturers of equipment for tantalum materials - HCBBS Forum
40. Steps for selecting a pipeline pump - HCBBS Forum
41. Is a manufacturing license required for pressure vessel composite plates? - HCBBS Forum
42. For pressure vessel shells, when using surfacing with the same type of steel, is a transition layer required? - HCBBS Forum
43. Function of the small holes on the inner side surface of the vent hole in a floating roof tank’s floating deck - HCBBS Forum
44. What are the key control points in the heat treatment of fasteners? - HCBBS Forum
45. The inlet and outlet nozzles on the shell side of the tube heat exchanger have become smaller - HCBBS Forum
46. Design issues of wind-resistant rings for storage tanks - HCBBS Forum
47. Strength matching of welded joints - HCBBS Forum
48. What are the common methods for anti-corrosion inside equipment? - HCBBS Forum
49. 6mm high-definition industrial endoscope and video endoscope straight-side integrated manufacturer - HCBBS Forum
50. Q&A on Tubular Heating Furnace Technology [28] - HCBBS Forum
51. Regarding welders in the certification process for A2 pressure vessel manufacturing - HCBBS Forum
52. At what pressure does a storage tank rupture? - HCBBS Forum
53. In SW6, what is the difference between 【expansion jointing】 and 【strength expansion jointing】 in terms of the way the heat exchange tubes are connected to the tube sheet? - HCBBS Forum
54. Methods for dealing with leaks in shell and tube heat exchangers - HCBBS Forum
55. Restoration performance heat treatment - HCBBS Forum
56. The composite layer of the composite panel is not taken into account in strength calculations; timing for RT testing - HCBBS Forum
57. The influence of various metal elements on welding quality - HCBBS Forum
58. “The role of “aluminum” in steel - HCBBS Forum
59. Antifreeze for steam traps - HCBBS Forum
60. On-site assembly of low-temperature methanol washing tower equipment - HCBBS Forum
61. 【Ten Years of Rapid Development in Chemical Equipment】1529–2024: Lansi Heavy Equipment’s Mobile Factory Produces 2,100-Ton Forged-Welded Hydrogenation Reactors - HCBBS Forum
62. Regarding heterogeneous cross-sections - HCBBS Forum
63. Analysis of bolt fracture due to improper usage - HCBBS Forum
64. Discussion on the opening size of elliptical and oblong holes - HCBBS Forum
65. Q&A on Tubular Heating Furnace Technology [7] - HCBBS Forum
66. Are there any standards stipulating that component diagrams and pipe connection diagrams in the as-built documents for pressure vessels do not need to be stamped with an as-built seal? - HCBBS Forum
67. Is a separate license required for cylinder design? - HCBBS Forum
68. The most easily overlooked details in magnetic particle testing - HCBBS Forum
69. Determination of the minimum thickness of pressure vessel heads and influencing factors - HCBBS Forum
70. Why should a stop valve have the inlet at a lower level and the outlet at a higher level? Under what circumstances is it necessary to buy at high prices and sell at low prices? - HCBBS Forum
71. Reactor material - HCBBS Forum
72. Safety design in chemical engineering design - HCBBS Forum
73. Cooling and final rolling temperatures for different steel grades - HCBBS Forum
74. Filter mesh count of Y-type filter - HCBBS Forum
75. 67 Key Points of Mechanical Fundamentals - HCBBS Forum
76. Allowable stress issue for saddle Q345R - HCBBS Forum
77. Ear flap examination - HCBBS Forum
78. Why are impact test data at 20°C added for austenitic stainless steels in GB/T713.7-2023? - HCBBS Forum
79. ASME skid-mounted equipment - HCBBS Forum
80. Standards related to pressure vessels - HCBBS Forum
81. Chemical process instruments -- Pressure measurement - HCBBS Forum
82. Pathways and Cases for Carbon Neutrality in the Chemical Industry - HCBBS Forum
83. Reasons for electrode sticking during welding - HCBBS Forum
84. 450 Questions on Basic Mechanical Processing Knowledge - HCBBS Forum
85. How to select ASME bolt and nut standards - HCBBS Forum
86. Regular inspection of pressure vessels - HCBBS Forum
87. Drawings and working principles of flame-arresting breathing manholes, explosion-proof flame-arresting breathing valves, and internal floating balls for methanol storage tanks - HCBBS Forum
88. How to design feet for sanitary-grade equipment - HCBBS Forum
89. What are the key factors in solving common welding challenges for iron-based materials? - HCBBS Forum
90. 2024 Safety Production Training for Corporate Leadership Personnel - HCBBS Forum
91. The relationship between the color of titanium welds and welding quality - HCBBS Forum
92. Metal corrosion resistance grade 10 standard - HCBBS Forum
93. Properties of the weld heat-affected zone - HCBBS Forum
94. Approaches to strengthening equipment maintenance - HCBBS Forum
95. Ordos, Inner Mongolia || Recruitment information for a large-scale coal chemical project - HCBBS Forum
96. Chloride ion corrosion mechanism and prevention measures - HCBBS Forum
97. Structure of high-pressure heat exchangers - HCBBS Forum
98. Four processes that make metals stronger - HCBBS Forum
99. How to choose flange gaskets? - HCBBS Forum
100. The most professional advice on titanium welding - HCBBS Forum