English — Forum #276 (Page 53/145)

1. Purpose and precautions for regular blowdown of boilers - HCBBS Forum
2. Selection of design pressure for heat exchangers - HCBBS Forum
3. For the evaluation items of chemical engineering equipment, please provide additional information - HCBBS Forum
4. Material of yellow phosphorus metering tank - HCBBS Forum
5. Key Technologies for Oxygen-Enriched Combustion Carbon Capture - HCBBS Forum
6. I’m seeking recommendations for several manufacturers of high-quality chemical equipment - HCBBS Forum
7. Enterprise standards - HCBBS Forum
8. When conducting a welding process evaluation and the steel material is not available, can an 8mm thick steel plate be cut into 4mm thick pieces? - HCBBS Forum
9. For the local stress calculation in the component design of SW6-2011, there are significant differences in the results obtained for rectangular and square shapes on the housing; it is likely a software issue - HCBBS Forum
10. Standardized Management Regulations for Oxygen Pipeline Construction - HCBBS Forum
11. Why cannot globe valves and gate valves be used interchangeably? - HCBBS Forum
12. Corrosion types in hydrogenation units and material selection - HCBBS Forum
13. Classification and characteristics of corrosion - HCBBS Forum
14. Regarding the corrosion margin of stainless steel end caps - HCBBS Forum
15. New administrative permits for special equipment regarding design and manufacturing certificates - HCBBS Forum
16. 23 Answers on Lubricants - HCBBS Forum
17. Do the welding materials used for steel structures need to be sent for testing? - HCBBS Forum
18. As shown in the figure, why is a elbow not considered a compression member? - HCBBS Forum
19. Difference between cylinder ellipticity and maximum-minimum diameter difference - HCBBS Forum
20. Seeking help with the stress verification of wall thickness for container B under normal pressure - HCBBS Forum
21. Basic requirements for safety valves - HCBBS Forum
22. Reading of the dual-needle differential pressure gauge - HCBBS Forum
23. Book Boy [Comprehensive List of Equipment Information] — Video Compilation Post 1 - HCBBS Forum
24. Comprehensive Catalog of Static Equipment 2.7 [Drying – Driers] List (no attachments) - HCBBS Forum
25. Does the total height of the RJ flanges in HG20592 include the raised face? - HCBBS Forum
26. How to verify such a skirt seat - HCBBS Forum
27. Chemical Equipment Design Manual (Vols. 1 & 2), 2005 Edition - HCBBS Forum
28. Our company is applying for an A2 manufacturing license for pressure vessels; can we purchase flanges from companies that have the qualification to manufacture pressure vessels? - HCBBS Forum
29. What is NDT? - HCBBS Forum
30. If the design unit has issued a risk assessment report, how should the manufacturing unit reflect this in the quality certification documents? - HCBBS Forum
31. Reciprocating compressor air valve - HCBBS Forum
32. Differences between GB/T8547-2019 and NB/T47002.3 - HCBBS Forum
33. Classification methods and types of underground pipelines - HCBBS Forum
34. Discussion on manhole issues - HCBBS Forum
35. What is the role of elements in steel and their impact during heat treatment? - HCBBS Forum
36. Corrosion mechanisms and protection of high-temperature boilers - HCBBS Forum
37. Magnetic filter related discussions - HCBBS Forum
38. 3500* For a 10,000 tank, how to determine the height of the inlet and outlet material pipes and the height of the instrument pipes? - HCBBS Forum
39. Precautions for the installation and measurement applications of differential pressure transmitters - HCBBS Forum
40. How is the membrane stress in the design of bottom-supported tank equipment calculated? ? ? - HCBBS Forum
41. Energy conservation and emission reduction – see how compressed air can help save energy effectively and how to control energy consumption - HCBBS Forum
42. Seeking English literature on bolt failure analysis - HCBBS Forum
43. Does the gasket function on the inside or the outside? - HCBBS Forum
44. How are pressure vessels defined? - HCBBS Forum
45. Which standard is used as the basis for the design of vertical cylindrical atmospheric-pressure sulfuric acid storage tanks? - HCBBS Forum
46. What are the differences between various valves such as gate valves, globe valves, ball valves, and butterfly valves, and in what situations are they suitable for use? - HCBBS Forum
47. Registration for the use of atmospheric pressure storage tanks with a capacity of over 1,000 cubic meters - HCBBS Forum
48. Animated video: 37 principles of chemical reactions and their dangers—Volcanic Flame Demon - HCBBS Forum
49. Backflow at the liquid inlet of the venturi injector - HCBBS Forum
50. Common questions and answers about pressure vessels - HCBBS Forum
51. How is the length of the shell in a U-tube heat exchanger determined? - HCBBS Forum
52. Introduction to the fixed volume ratio slider, fixed volume ratio, and variable internal volume ratio technologies in industrial refrigeration screw compressors! - HCBBS Forum
53. Boiler Thermodynamics* Course - HCBBS Forum
54. [Interpretation of the Special Equipment Safety Law] Article 97 - HCBBS Forum
55. [Interpretation of the Special Equipment Safety Law] Article 82 - HCBBS Forum
56. The issue of openings in the container manway sections - HCBBS Forum
57. Welding defects in pressure vessels and knowledge of heat treatment - HCBBS Forum
58. Questions regarding the evaluation of welding processes - HCBBS Forum
59. Animated video: 37 principles of chemical reactions and their dangers – Propylene “dissolving” foam plastic - HCBBS Forum
60. 【Daily Question】 - HCBBS Forum
61. Causes of corrosion in oil and gas pipelines and corrosion protection measures - HCBBS Forum
62. Differences between duplex steel 2205 and S31803 - HCBBS Forum
63. Ceramic elbow requires information - HCBBS Forum
64. How do heat exchangers classify pressure vessels I, II, and III by determining the values of P and V? - HCBBS Forum
65. Plans for the use and safety of ammonia refrigerants - HCBBS Forum
66. Equipment for heating steam pipes in rotary film deaerators - HCBBS Forum
67. Helium leak test for spherical tanks - HCBBS Forum
68. Measures to improve the quality management of pressure vessels - HCBBS Forum
69. Anchorage length values ​​of anchor bolts for tower equipment - HCBBS Forum
70. Mechanical design methods: using theory to guide practice - HCBBS Forum
71. Must manholes and ventilation holes be provided at the skirt of the lower part of the tower? - HCBBS Forum
72. What is needed to obtain a pressure vessel design review certificate? Which books’ questions are mainly tested? I would appreciate guidance from experienced experts - HCBBS Forum
73. Announcement by the Special Equipment Bureau of the State Administration for Market Regulation on Soliciting Public Comments on the \"Rules for Type Testing of Pressure Pipeline Components (Draft for Comment)\\" - HCBBS Forum
74. 10,000 cubic meter Class A floating roof storage tank for liquids - HCBBS Forum
75. Regarding the use of foreign-made S32205 material? - HCBBS Forum
76. Why is the deflection of a round flat cover 0 when calculated? - HCBBS Forum
77. There is a gap between the annular edge plate at the bottom of the company's storage tank and the cement foundation of the storage tank. Does it need to be dealt with? - HCBBS Forum
78. Ceramic-lined composite steel pipe - HCBBS Forum
79. Organizations and systems for lubrication management - HCBBS Forum
80. Definition of the boundaries of the pressure pipeline connected to the mechanical pump - HCBBS Forum
81. Issues with the container at the time of manufacture - HCBBS Forum
82. Electric heating local heat treatment - HCBBS Forum
83. Flange joint sealing—why are bolts not recommended to be made of 304 material? - HCBBS Forum
84. Selection of stainless steel welding materials for pressure vessels - HCBBS Forum
85. How is the weight and the volume of the eccentric cone section in a kettle-type heat exchanger calculated? - HCBBS Forum
86. Inspection of pressure vessels - HCBBS Forum
87. Impact energy requirements for the weld metal produced by heat-resistant steel electrodes - HCBBS Forum
88. Case Study 1: - HCBBS Forum
89. Main manufacturing processes for pressure vessels - HCBBS Forum
90. Minimum thickness for tower design - HCBBS Forum
91. Design of heptafluoropropane storage tanks - HCBBS Forum
92. In the thermal calculation of ordinary WNS boilers, how is the flame center position coefficient determined? - HCBBS Forum
93. Pressure vessel installation process - HCBBS Forum
94. 【Haichuan Equipment Guessing Game】Look at these tightly wrapped tanks - HCBBS Forum
95. Calculation of the ferrite content in austenitic and austenitico-ferritic duplex stainless steel surfacing layers and welds: three calculation formulas, Schaeffler, Delong, and WRC-1992, are used based on the chemical composition of the stainless steel... - HCBBS Forum
96. The effect of temperature on the properties of steel used in pressure vessels - HCBBS Forum
97. I don’t understand the anchor bolts of a certain storage tank. Please give me some advice. - HCBBS Forum
98. Technical data for tower internals - HCBBS Forum
99. There is an existing pipeline connected to the air tank. Due to slight vibration when the tank is filled and discharged, cracks occur in the pipe joints and reinforcing rings. Is there any way to modify it? - HCBBS Forum
100. What does IP68 mean? Protection rating IP68 - HCBBS Forum