English — Forum #276 (Page 72/145)

1. Is there a corresponding design basis for the design pressure of vertical cylindrical welded storage tanks, which is 0.2 MPa (gauge pressure)? - HCBBS Forum
2. What are open-loop cycles and closed-loop cycles? Are there clear definitions for them? Why are open-loop cycles and closed-loop cycles performed? At which stage is the open-circuit and closed-circuit cycle generally carried out? - HCBBS Forum
3. Talking about flange water lines again - HCBBS Forum
4. HG/T 20634 bolt problems and help questions - HCBBS Forum
5. I seek advice from the experts here to resolve this issue - HCBBS Forum
6. Impurities in welding technology - HCBBS Forum
7. 【One question per day] [Static Equipment Exchange Edition...Question 23] February 23, 2020...True or False Question - HCBBS Forum
8. How do I pay for the pressure vessel design training organized by the RCBC? - HCBBS Forum
9. D1D2 design certificate renewal - HCBBS Forum
10. Manufacturing standards for Mn13 steel plates - HCBBS Forum
11. How to calculate the bottom plate stress of a pressure-welded vessel under negative pressure at normal pressure - HCBBS Forum
12. Dear seniors, in which standard or specification does the statement “A dual flame arrester should be installed in parallel before the fuel gas enters the furnace” appear? - HCBBS Forum
13. Pressure Vessel WPS Welding Materials – Welding Material Consumption Quotas - HCBBS Forum
14. Cooler replacement equipment body outlet pipe and flange - HCBBS Forum
15. I have a small design question for everyone - HCBBS Forum
16. Discussion on issues related to changes in pressure vessels - HCBBS Forum
17. flue resistance - HCBBS Forum
18. How should the hardness of studs and nuts be matched in a wet hydrogen sulfide environment? - HCBBS Forum
19. Consultation on cooling crystallization - HCBBS Forum
20. Should hydrogen corrosion be considered? - HCBBS Forum
21. Boiler flue cleaning machine - HCBBS Forum
22. Stainless steel and its heat treatment, Zhang Wenhua 2010 - HCBBS Forum
23. How should the bracket for a radar level gauge be designed? - HCBBS Forum
24. 【Daily Question】【Static Equipment AC Version... Question 1】 February 01, 2020... True or False question - HCBBS Forum
25. Everyone, take a look – is this question correct? - HCBBS Forum
26. Why is the maximum allowable operating pressure of a container greater than the design pressure? - HCBBS Forum
27. Help with the carburetor - HCBBS Forum
28. Application of M-RT technology - HCBBS Forum
29. 4.SY/T 7403-2018 Code for Strain Design of Oil and Gas Transmission Pipelines - HCBBS Forum
30. Equipment - HCBBS Forum
31. GB/T 13550-2015 5A molecular sieve and its determination methods - HCBBS Forum
32. [Daily Question] [Static Equipment AC Version... Question 64] April 4, 2020.. True or False question. - HCBBS Forum
33. Please help, how much does the pipe head actually extend? - HCBBS Forum
34. 【One question per day] [Static Equipment Exchange Edition...Question 30] March 1, 2020...True or False Question - HCBBS Forum
35. 【One question per day] [Static Equipment Exchange Edition...Question 8] February 08, 2020...True or False Question - HCBBS Forum
36. Vertical gravity separator – Explanation of container-related knowledge - HCBBS Forum
37. How does short-circuiting occur in the fluid flowing through the shell side of a heat exchanger? - HCBBS Forum
38. I’d like to ask gently: can slabs be forged into pipes? Thank you. - HCBBS Forum
39. What value should S take for WN300-SCH30RF? - HCBBS Forum
40. Can the material of hydrogen-service pipeline 347 be directly welded to material 321? - HCBBS Forum
41. Can rubber gaskets replace PTFE gaskets? - HCBBS Forum
42. Takeover selection problem - HCBBS Forum
43. In the calculation of wind stability and anchoring design for storage tanks, does internal pressure pose a risk of toppling the tank? - HCBBS Forum
44. Since the light tube has no threads and cannot be welded, hydraulic pressure is required; how should the tube ends be sealed? - HCBBS Forum
45. 【One question per day] [Static Equipment Exchange Edition...Question 37] March 08, 2020...True or False Question - HCBBS Forum
46. Analyze the application of wind loads and seismic loads on the designed tower - HCBBS Forum
47. Beginner in welding techniques - HCBBS Forum
48. For container-type filters, it is required that a coarse wire mesh be placed at the top and a fine wire mesh at the bottom. What is the reasoning behind this? - HCBBS Forum
49. What is the function of safety valve body bolts? - HCBBS Forum
50. Is a liquid ammonia storage tank claimed to have a capacity of 20 cubic meters actually capable of holding 20 cubic meters? - HCBBS Forum
51. External pressure stress coefficient problem - HCBBS Forum
52. High-temperature heat exchanger - HCBBS Forum
53. What is the production process for hot-dip galvanized bolts? - HCBBS Forum
54. Should the welding procedure qualification for S30942 be conducted for stainless steel or nickel materials? - HCBBS Forum
55. There are several requirements that must be met when using welded pipes for constructing vessels under ASME - HCBBS Forum
56. Is a weld qualification for small tubes required for off-spec pressure vessels? - HCBBS Forum
57. Butt joint of stainless steel composite plate - HCBBS Forum
58. Should the hydrogenation reactor head be of integral or assembled type? - HCBBS Forum
59. Looking for recommendations for manufacturers of equipment with fluoroplastic linings - HCBBS Forum
60. Is a 5L autoclave considered a special equipment? - HCBBS Forum
61. Please ask - HCBBS Forum
62. Welding assessment requirements for heat exchange tubes and tube sheets - HCBBS Forum
63. I need the SH/T3430-2018 standard, thank you - HCBBS Forum
64. Help needed! How to select materials for diesel storage tanks according to ASME standards? - HCBBS Forum
65. What factors determine changing the welding current and voltage? - HCBBS Forum
66. 800m3 storage tank designed per API650 - HCBBS Forum
67. Searching for manufacturers for degreasing treatment services - HCBBS Forum
68. Storage tank breather valve - HCBBS Forum
69. How to determine the length ratio of this unequal fillet weld? - HCBBS Forum
70. Coiled tube heat exchanger - HCBBS Forum
71. CAD2007 cannot print multiple drawings - HCBBS Forum
72. [Daily question] [Static Equipment Exchange Edition...Question 90] April 30, 2020..True or False Question. (Supplementary) - HCBBS Forum
73. Hot-dip galvanized bolt manufacturers explain the features of duplex stainless steel bolts - HCBBS Forum
74. What is the reason why the saddle's anchor bolts are asymmetrical? - HCBBS Forum
75. [Daily question] [Static Equipment Exchange Edition...Question 95] May 5, 2020..True or False Question (Supplementary) - HCBBS Forum
76. Help needed with high-pressure container! In the calculation sheet derived from the design of SW6 high-voltage equipment, what does “y” refer to in the biconical ring seal? - HCBBS Forum
77. The cylinder made of 09MnNiDR is being put back into use, and tempering is required – what should be the tempering temperature? - HCBBS Forum
78. Atmospheric pressure tank deflation pressure - HCBBS Forum
79. Super duplex steel S32750 forgings - HCBBS Forum
80. 【Daily Question】【Static Equipment AC Version...Question 12】 February 12, 2020...True or False Question - HCBBS Forum
81. Cylinder end and reverse flange - HCBBS Forum
82. Extra Question 1: What components are included in the tube bundle of a U-type heat exchanger? - HCBBS Forum
83. 【Daily Question】【Static Equipment AC Version... Question 14】 February 14, 2020... True or False question - HCBBS Forum
84. ASME flange forging grade issues - HCBBS Forum
85. Principles and Calculations of Boilers (3rd Edition) - HCBBS Forum
86. Does the welding of this tank equipment assembly comply with the specifications? - HCBBS Forum
87. The explosion-proof door of the hot oil furnace trips frequently - HCBBS Forum
88. For vessels designed per ASME, can flanges use other standards? How is compliance determined? Please, sir! - HCBBS Forum
89. 【Daily Question】【Static Equipment AC Version... Question 3】 February 3, 2020... True or False question - HCBBS Forum
90. ASME design help! How to address the issue shown in the PVELite calculation sheet, where the reinforcement elements affect the maximum allowable working stress of the container? - HCBBS Forum
91. Seeking advice on the self-sealing issue of small-diameter high-pressure reactors - HCBBS Forum
92. How to calculate the length of the manway segment on an elliptical head that is perpendicular to the tangent parallel to the normal line - HCBBS Forum
93. I would like to ask the teacher about the issue of aluminum alloy corrosion - HCBBS Forum
94. Can welding inside tanks be carried out on rainy days? - HCBBS Forum
95. ASME codes for design, manufacturing, NDE non-destructive testing, and welding procedure specifications, as well as standards for welding procedure qualification - HCBBS Forum
96. The selection of cladding materials for composite panels - HCBBS Forum
97. Fixed-tube-sheet heat exchangers – tube-sheet sealing surface issues - HCBBS Forum
98. 【One question per day] [Static Equipment Exchange Edition...Question 9] February 9, 2020...True or False Question - HCBBS Forum
99. Do the flange connections on the equipment require radiographic testing? - HCBBS Forum
100. [Daily Question] [Static Equipment AC Version... Question 96] May 6, 2020.. True or False (Supplement) - HCBBS Forum