English — Forum #276 (Page 93/145)

1. Discussion on the preparation plan for hydrochloric acid - HCBBS Forum
2. Carbon steel H2S resistant steel plate, what brand does it refer to specifically? - HCBBS Forum
3. Seeking help in dealing with sand holes in the straight section at the discharge port of a pressure vessel - HCBBS Forum
4. For heat exchangers classified as Category II, if seamless steel tubes are used for the shell, has their mechanical properties been retested? - HCBBS Forum
5. I need an explanation of what the structure of this type of check valve is - HCBBS Forum
6. Boiler feed pump head - HCBBS Forum
7. What is a weak peak? - HCBBS Forum
8. Material selection for ring-shaped metal gaskets - HCBBS Forum
9. The steam storage tank has manholes at 20% RT, while the shell side of the fixed-plate heat exchanger has no manholes at 20% - HCBBS Forum
10. Design requirements for the roof platform of fixed-roof atmospheric storage tanks - HCBBS Forum
11. Regarding the design service life of pressure vessels - HCBBS Forum
12. Issues with draining and cleaning liquefied gas cylinders - HCBBS Forum
13. Does the storage tank need insulation or cooling? - HCBBS Forum
14. 【Daily Question】 【AC Version for Static Equipment...Question 85】 March 26, 2019 – Revised multiple-choice questions...Everything is going well - HCBBS Forum
15. Bevel problem? - HCBBS Forum
16. For many devices within the same plant area, different standards are used for the interface flanges at the time of procurement - HCBBS Forum
17. [Discussion Post 4] The nominal pressure of the safety valve should be ( ) the design pressure - it has been observed that many people make mistakes on this issue - HCBBS Forum
18. [Standardized posting guide] Discussion of temperature issues---Keywords---Definition of normal temperature---Heat exchanger temperature----Please see the content - HCBBS Forum
19. Issues with the approval certificate? - HCBBS Forum
20. [Discussion Thread 29] When does the 【design service life】 of container equipment begin? - HCBBS Forum
21. Design of 50,000 cubic meter storage tank - HCBBS Forum
22. What is the purpose of bright annealing for stainless steel heat exchange tubes? - HCBBS Forum
23. The meaning of the model designation of a safety valve - HCBBS Forum
24. Seeking help with the inspection of petrochemical equipment - HCBBS Forum
25. How to support container patching? Seeking help - HCBBS Forum
26. I would like to ask how to determine the design pressure of a heat exchanger? - HCBBS Forum
27. [Discussion Thread 27] In what aspects are the surface quality and aesthetics of pressure vessels primarily reflected? - HCBBS Forum
28. Coil non-destructive testing methods - HCBBS Forum
29. Calculation lengths for external pressure of the two cylinder sections - HCBBS Forum
30. Heat treatment timing - HCBBS Forum
31. Inspection requirements for wire mesh demisters - HCBBS Forum
32. What procedures are required to rebuild a spherical tank from scratch after it has been scrapped? - HCBBS Forum
33. Issues regarding the installation of nitrogen seals and vent holes for breather valves in fixed-roof storage tanks and internal floating-roof storage tanks - HCBBS Forum
34. You understand all these requirements; there’s no need to go into detail about the many detours involved, hehe—valuable contribution of information. - HCBBS Forum
35. Questions regarding the calculation of container flanges – long-neck butt weld flanges - HCBBS Forum
36. molten salt - HCBBS Forum
37. How to achieve heat protection and insulation - HCBBS Forum
38. Is there a standard inspection and maintenance cycle for large storage tanks? - HCBBS Forum
39. Must the lugs and shims not be located in the head transition zone? - HCBBS Forum
40. Piping layout for heat exchangers with six or more passes - HCBBS Forum
41. Oil tank series 3~~~Some information on double-layer oil storage tanks~~~~~~Shared materials - HCBBS Forum
42. Table of stainless steel wire mesh mesh count and wire diameter - HCBBS Forum
43. The future prospects for the equipment engineering field in design institutes - HCBBS Forum
44. 80”150# Flange size standards - HCBBS Forum
45. Welding issues for nozzles of thick chromium-molybdenum steel vessels - HCBBS Forum
46. 【Daily Question】 【AC Version for Static Equipment...Question 88】 March 29, 2019 – Revised multiple-choice questions...Everything is going well - HCBBS Forum
47. Discussion on the number of ear seats to be installed on the silo - HCBBS Forum
48. What is the structure of a phenol water filter? - HCBBS Forum
49. For drawings that require the indication of the maximum allowable operating pressure, how do people handle the design parameters? - HCBBS Forum
50. 【Daily Question】 【AC Version for Static Equipment...Question 70】 March 11, 2019 – Revised multiple-choice questions...Everything is going well - HCBBS Forum
51. Explosive media, selection of equipment flanges - HCBBS Forum
52. Issues related to pressure pipelines - HCBBS Forum
53. Welding procedure qualification - HCBBS Forum
54. Is a negative-pressure container with a vacuum level of 0.09 MPa considered a pressure vessel? - HCBBS Forum
55. Can safety valves and pressure gauges for pressure vessels be designed in a modular format? - HCBBS Forum
56. Thermal Vapour Recompressor technology - HCBBS Forum
57. Cranes and elevators are usually installed by the manufacturers at the customer’s location, right? - HCBBS Forum
58. Pumps that increase flow rate without increasing outlet pressure - HCBBS Forum
59. Can those coolers be used vertically, or do they allow for a larger tilt angle? - HCBBS Forum
60. Can A302 be used to weld Q245R steel plates together? - HCBBS Forum
61. What does the SB-75 and SB-111 lightweight-drawn seamless copper tube correspond to in terms of domestic materials? Is it T2 (lightweight-drawn)? - HCBBS Forum
62. The country’s largest single-unit low-temperature ethane tank of 160,000 cubic meters - HCBBS Forum
63. What are the topics that need to be studied in public utilities? - HCBBS Forum
64. Problems with the sealing end - HCBBS Forum
65. Thickness of small-diameter forged pipes - HCBBS Forum
66. Material issue - HCBBS Forum
67. Chemical composition of 15CrMoR(H) for use in hydrogen environments; Mechanical properties of 15CrMoR(H) - HCBBS Forum
68. Calculations for flat-bottomed end caps in the GB24159-2009 standard for welded insulated gas cylinders - HCBBS Forum
69. Understanding post-weld slow cooling, post-weld dehydrogenation, and post-heating - HCBBS Forum
70. Announcement of the State Administration for Market Regulation on matters related to administrative licensing of special equipment - HCBBS Forum
71. Some information sharing on low temperatures--------- - HCBBS Forum
72. Pressure vessel classification - HCBBS Forum
73. Can the seams of the cone be joined using crescent-shaped pieces in the same way as with end caps, as shown in the figure? - HCBBS Forum
74. Boiler manhole - HCBBS Forum
75. What about the selection of equipment flanges, pipe flanges, and manholes? Should the hydrostatic test pressure be taken into consideration? - HCBBS Forum
76. How long has it been since any new versions of SW6 were released? The standards have changed a lot by now, in 2018 – how are you dealing with this?----------------- - HCBBS Forum
77. [Discussion Thread 58] Various differences between Pressure Vessels of Classes I and II - HCBBS Forum
78. For skid-mounted units, do all the moving and stationary equipment inside need to have explosion-proof certification? - HCBBS Forum
79. [Discussion Thread 39] The value of ≤10 at the air barrier and the determination of gap c - HCBBS Forum
80. Relationship between the design pressure of pressure vessels and the maximum operating pressure - HCBBS Forum
81. How are the weld types of ASME spherical tanks and those of conventionally designed tanks in China classified? What are the differences between welding joints of classes A, B, C, and D? - HCBBS Forum
82. Relationship between design thickness and effective thickness - HCBBS Forum
83. TOFD near-surface blind zone thickness - HCBBS Forum
84. Internal floating roof tank filled with benzene medium - HCBBS Forum
85. Who has the standards and guidelines for preparing inquiry documents - HCBBS Forum
86. Is the welding method for the reboiler tube sheet and shell appropriate? - HCBBS Forum
87. Stainless steel composite panel - HCBBS Forum
88. Problems with ferritic steel? - HCBBS Forum
89. 2019 Training and Assessment Plan for Pressure Vessel Design Approvers - HCBBS Forum
90. Welding procedure qualification - HCBBS Forum
91. Errors (or omissions) in the HG/T 21574-2018 standard - HCBBS Forum
92. The reaction kettle is installed on a concrete beam – what is the method for fixing the brackets? - HCBBS Forum
93. [Discussion Post 26] What are the main differences between metal containers and steel containers? - HCBBS Forum
94. HGT20615 flange question - HCBBS Forum
95. Fatigue analysis - HCBBS Forum
96. Heat Exchanger Training Courseware.ppt - HCBBS Forum
97. [Discussion Post 47] If the allowable deviation of a size is 1.5 mm. - HCBBS Forum
98. 【Discussion Thread 16】Compared to elliptical end caps, which type results in greater thinning during shaping for spherical end caps? - HCBBS Forum
99. Calibration issues of welding of integral rigid ring support with backing plate and steel pipe leg. - HCBBS Forum
100. When will the SAD stress analysis certification courses resume? - HCBBS Forum