English — Forum #276 (Page 49/145)

1. Design principles and considerations for pressure vessel flanges - HCBBS Forum
2. Precautions for installing and removing bearings - HCBBS Forum
3. Basic knowledge of thread gauges and a collection of calculation formulas for various types of threads - HCBBS Forum
4. Properties of the weld heat-affected zone - HCBBS Forum
5. What are the requirements for compressed air in the pharmaceutical industry, and what specifications are outlined in GMP pharmacopoeias? - HCBBS Forum
6. Explanation of the function of the AC filter in screw compressors - HCBBS Forum
7. What color should stainless steel welds be? - HCBBS Forum
8. Consultation on welding materials for dissimilar steel welding - HCBBS Forum
9. I’m encountering some issues with the calculation of local stress at the joint in SW6; I hope friends can help me out - HCBBS Forum
10. Nitrogen vaporization complete set of equipment - HCBBS Forum
11. NBT47013.15-2021 Phased Array Technology for Non-Destructive Testing of Pressure Equipment - HCBBS Forum
12. Why is quenching and tempering necessary for steel parts? - HCBBS Forum
13. Material selection for hydrochloric acid storage tank (at atmospheric pressure) - HCBBS Forum
14. How to solve the problem of difficulty in opening and closing large-diameter valves - HCBBS Forum
15. Method for calculating elbow length - HCBBS Forum
16. Measures to prevent vibration in the heat exchanger tube bundle - HCBBS Forum
17. Animated video: 37 principles of chemical reactions and their dangers---Polymer foam - HCBBS Forum
18. Issues regarding the maintenance and renovation of pressure vessels - HCBBS Forum
19. Factors to consider when selecting compressed air purification equipment - HCBBS Forum
20. Take over and conduct the -20° impact test - HCBBS Forum
21. Equipment anti-freezing measures - HCBBS Forum
22. The M1600-4.0 convex flange has been made concave; is there any way to fix this? Is it possible to perform surfacing welding first and then machine it into a convex shape? - HCBBS Forum
23. How do people handle the cutting of the cylinder shells for pressure vessel equipment and the reservation of gaps for assembly? - HCBBS Forum
24. What type of corrosion is it when stainless steel corrodes and peels? - HCBBS Forum
25. What kind of support is this? - HCBBS Forum
26. Handbook for Calculating Common Structural Dimensions of Pressure Vessels - HCBBS Forum
27. Contents and depth of foundation engineering design - HCBBS Forum
28. Information on special equipment related to public messages on the State Administration for Market Regulation - HCBBS Forum
29. ASME container design uses national standard lugs and supports - HCBBS Forum
30. Cognitive fatigue - HCBBS Forum
31. What is the air pressure of the built-in fan in the Liya Road integrated burner RS200/M? - HCBBS Forum
32. T/CMES 16002-2019 Methods for Calculating and Evaluating the Wind-Induced Fatigue Life of Steel Tower Containers - HCBBS Forum
33. How to calculate towers with tower hoops - HCBBS Forum
34. Maximum leak rate and related parameters of large container application equipment - HCBBS Forum
35. Some requirements for the use of metal materials - HCBBS Forum
36. Stainless steel nameplate base - HCBBS Forum
37. Determination of the heat treatment holding time after tube sheet surfacing - HCBBS Forum
38. Case Study 2- - HCBBS Forum
39. The function of compressed air filters and the selection of filter media - HCBBS Forum
40. I have a question for all of you experts: there is a doubt regarding the sensor of the Hangyang air separation transmitter - HCBBS Forum
41. Do pressure vessels lined with halar require inspection? - HCBBS Forum
42. Precautions for operating pressure vessels - HCBBS Forum
43. Issues regarding industry compliance for skid-mounted pressure vessels and pressure pipelines - HCBBS Forum
44. Use and requirements of valves for high-pressure hydrogenation units - HCBBS Forum
45. What is creep in metals? What are its influencing factors? In what situations must creep be considered for pressure vessels? How is creep design carried out? - HCBBS Forum
46. Common faults and troubleshooting methods of magnetic stirrers - HCBBS Forum
47. Operation, maintenance, and troubleshooting methods for reaction vessels - HCBBS Forum
48. Practice and Reflections on the Supervision of Chemical Equipment Manufacturing - HCBBS Forum
49. When rolling the cylinder shell, since there is no pre-bending step, how is roundness achieved in the end? - HCBBS Forum
50. What color should be used for painting storage tanks? - HCBBS Forum
51. Cooling tower operation and maintenance procedures - HCBBS Forum
52. May I ask what the tolerance for the flange bolt holes in B16.5 is? - HCBBS Forum
53. Is there a need for equipment design and manufacturing? - HCBBS Forum
54. 3D animation of the working principle of dust removal systems in thermal power plants - HCBBS Forum
55. How should one perform a test weld on the automatic TIG welding operator program? - HCBBS Forum
56. [Interpretation of the Special Equipment Safety Law] Article 79 - HCBBS Forum
57. [Interpretation of the Special Equipment Safety Law] Article 83 - HCBBS Forum
58. What to do if a wear-resistant pipe is leaking - HCBBS Forum
59. What standards should be followed for constructing pressure vessels made of austenitic stainless steel with a design temperature of not lower than -196°C? - HCBBS Forum
60. Comprehensive Equipment Database 7.2【Kilns】List (no attachments) - HCBBS Forum
61. Are there specific requirements for the groove dimensions of the tube holes in heat exchanger tube sheets? - HCBBS Forum
62. 【Daily Question】 - HCBBS Forum
63. Dear experts, I would like to ask for your insights on the analysis of changes in the fan outlet pressure - HCBBS Forum
64. Comparison of corrosion-resistant materials for flues, chimneys, desulfurization, and dust removal - HCBBS Forum
65. Will the bolt become tighter or looser as the temperature rises? - HCBBS Forum
66. Situations where reinforcement rings should not be used - HCBBS Forum
67. SW6 V5.0 pressure-area method welding joint coefficient - HCBBS Forum
68. Talk about the pressure testing equipment used for voltage resistance tests in your company - HCBBS Forum
69. What do protection ratings such as IP65, IP55, IP30 mean? - HCBBS Forum
70. 【Daily Question】 - HCBBS Forum
71. Instructions for using adhesive to attach wear-resistant elbows directly to ceramic tiles - HCBBS Forum
72. Are vertical U-tube heat exchangers with a H/D ratio greater than 5 considered tower-type vessels? - HCBBS Forum
73. I would like to ask the experts: in the design of natural gas receiving and sending cylinders, how is the equipment length determined? And what types of pipe connections should be available on them? - HCBBS Forum
74. Number of agitator shafts in the enamel-lined reactor - HCBBS Forum
75. Looking for a pressure vessel, water pressure test, pressure gauge joint tooling - HCBBS Forum
76. How should the specific model be written for this diameter change? - HCBBS Forum
77. How should responsibility be divided? Does the designer need to go to jail? - HCBBS Forum
78. Requirements for the manufacturing and inspection of low-temperature pressure vessels - HCBBS Forum
79. Relationship between the pressure released by the safety device and its operating pressure - HCBBS Forum
80. May I ask what type of stainless steel should be used for dilute sulfuric acid? Thank you. - HCBBS Forum
81. Why are the inlet nozzles of some pressure vessels designed with an inward-extending structure? - HCBBS Forum
82. There is a small hole in the heat exchanger shell - HCBBS Forum
83. Summary of Basic Knowledge on Heat Treatment - HCBBS Forum
84. What kind is used for ceramic elbows in power plants? - HCBBS Forum
85. [Interpretation of the Special Equipment Safety Law] Article 91 - HCBBS Forum
86. Is flaw detection required after hot work on industrial pipelines? - HCBBS Forum
87. Issues related to post-weld heat treatment - HCBBS Forum
88. How should the technical requirements for reused equipment be filled out? - HCBBS Forum
89. Gas-liquid separator after vacuum pump - HCBBS Forum
90. NB/T47065.5-2018 selection-related questions - HCBBS Forum
91. Questions for the drawing defense in the training and assessment course for pressure vessel design approvers - HCBBS Forum
92. Questions regarding DN800, 0.6MPa, and the number of bolts in the standard for type A flat welding flanges for equipment? - HCBBS Forum
93. Do test plates for equipment operated at atmospheric pressure require supervision by a boiler inspection agency? - HCBBS Forum
94. During a hydraulic test, if the static pressure of the liquid column is less than 5% of the design pressure, can it be ignored? - HCBBS Forum
95. For the same steel pressure vessel, how is it possible to calculate the highest operating temperature it can withstand at different temperatures? - HCBBS Forum
96. Specifications for the construction and quality inspection of concrete foundations for pipe racks, static equipment, and dynamic equipment in the chemical industry - HCBBS Forum
97. Compressed air is widely used in various industries, but do you know how to check whether compressed air contains oil? How to test an oil-free air compressor system? - HCBBS Forum
98. Analysis of Typical Accident Cases Involving Special Equipment - HCBBS Forum
99. How should martensitic steel be welded? - HCBBS Forum
100. Internal inspection of sulfuric acid and hydrochloric acid storage tanks - HCBBS Forum