English — Forum #276 (Page 39/145)

1. Issues regarding fully automatic boilers of Class B and below in TSG11-2020 - HCBBS Forum
2. Weld seam formation quality - HCBBS Forum
3. What requirements should be followed for the corrosion protection of carbon steel components on stainless steel equipment? - HCBBS Forum
4. Comparison of four non-destructive testing methods - HCBBS Forum
5. Measures for the Safety Inspection and Supervision of Special Equipment - HCBBS Forum
6. Do simple pressure vessels not require registration for use or periodic inspection? - HCBBS Forum
7. What are the main differences between the conventional design method and the analytical design method for pressure vessels? - HCBBS Forum
8. Safety valve calibration and management - HCBBS Forum
9. There are several welding methods for aluminum; how to weld it? - HCBBS Forum
10. Into which categories can refinery equipment be divided? - HCBBS Forum
11. Effects of earthquake and wind loads on vessel calculations - HCBBS Forum
12. The issue of reusing foundations for vertical atmospheric storage tanks. - HCBBS Forum
13. Calculation method for flange bolt torque during hydrostatic testing - HCBBS Forum
14. Pressure issues in pressure vessels - HCBBS Forum
15. Information on the thermal calculations for heat network heaters - HCBBS Forum
16. What standards are used in the United States for designing pressure vessels at normal pressure (from -0.1 Mpa to 0.1 Mpa)? - HCBBS Forum
17. Gas shielded welding transition forms - HCBBS Forum
18. Should the airtightness test of the heat exchanger be conducted in the tube side or the shell side? - HCBBS Forum
19. Is the nitrogen pipeline a pressure pipeline? - HCBBS Forum
20. Pressure vessel service life - HCBBS Forum
21. Three processes for inserting tubes into heat exchangers - HCBBS Forum
22. How to calculate if there is an accessory equipment on the horizontal container? - HCBBS Forum
23. Causes, measures, and methods for reheat cracking in welded joints - HCBBS Forum
24. Types of steam traps - HCBBS Forum
25. Connecting the valve to the pipeline - HCBBS Forum
26. Is Q245R low-carbon steel? - HCBBS Forum
27. Quality Inspection Outline for Petrochemical Projects - HCBBS Forum
28. Usage restrictions for reinforcement rings - HCBBS Forum
29. Pressure vessels with working pressure at atmospheric pressure - HCBBS Forum
30. Why is the welding joint coefficient at the opening taken to be the same as the inherent coefficient of the cylinder? - HCBBS Forum
31. What is the maximum size of plastic storage tanks (such as PE PVC PP FRP) and other storage tanks that can be produced? - HCBBS Forum
32. What type of spring bracket is this? - HCBBS Forum
33. What standard is better for industrial railing steel pipes? - HCBBS Forum
34. Application conditions of several stainless steels in aqueous solutions containing chloride ions - HCBBS Forum
35. Load combination factor K - HCBBS Forum
36. The “eight musts” for working inside containers and equipment” - HCBBS Forum
37. How to determine the design temperature of pressure vessels - HCBBS Forum
38. Can horizontal equipment be kept warm with insulation tape? - HCBBS Forum
39. Issues regarding the construction of outdoor rainwater drainage inspection wells - HCBBS Forum
40. Sharing of the shuttlecock tube strength calculation table - HCBBS Forum
41. Vertical cylindrical tank cone top support angle steel - HCBBS Forum
42. Looking for help with large tank layout software - HCBBS Forum
43. Analysis of the causes of bolt fracture - HCBBS Forum
44. Problems with in-situ level gauges - HCBBS Forum
45. [Help] Why is this pressure vessel classified as an external device? - HCBBS Forum
46. Safety barrier wiring - HCBBS Forum
47. Stirring shaft design - HCBBS Forum
48. Regarding the 2023 standard promotion plan of the National Technical Committee for Boiler and Pressure Vessel Standardization - HCBBS Forum
49. When using SW6-2011 for container head calculations, it is required to modify the nominal thickness or corrosion margin - HCBBS Forum
50. What are the methods for removing oil from compressed air? - HCBBS Forum
51. Three situations regarding 304 and 316 stainless steels - HCBBS Forum
52. Equipment inspection and condition-based maintenance - HCBBS Forum
53. The definition and origin of pressure vessel nozzle - HCBBS Forum
54. Looking for information on vibrating sieve plate towers - HCBBS Forum
55. Does the size of the lifting lug's backing plate affect the force of the lifting lug? - HCBBS Forum
56. Classification methods for pressure vessels - HCBBS Forum
57. Interpretation of the definition of pressure pipelines and the scope of application for inspection and supervision - HCBBS Forum
58. Surely no one still doesn’t know that oil removal equipment can make compressed air oil-free? - HCBBS Forum
59. Are qualifications required for the design and installation of chemical storage tanks? - HCBBS Forum
60. The boiler control wires are not properly connected, nor is the natural gas pipeline. Is it possible to conduct installation supervision and inspection at this stage? - HCBBS Forum
61. How to carry out preventive equipment management? - HCBBS Forum
62. What medium is thionyl chloride? - HCBBS Forum
63. Design calculations for heat exchangers in PV elite - HCBBS Forum
64. What are the differences in structure and design parameters between full-volume tanks and double-volume tanks? - HCBBS Forum
65. What does the net positive suction head of a water pump refer to? - HCBBS Forum
66. Bellows heat exchanger - HCBBS Forum
67. Anti-corrosion and insulation measures for heavy oil storage tanks - HCBBS Forum
68. Seeking temperature measurement equipment - HCBBS Forum
69. Quality Inspection Outline for Petrochemical Projects - HCBBS Forum
70. Classification of pressure vessels - HCBBS Forum
71. What are non-porous metal materials in non-destructive testing PT? - HCBBS Forum
72. Process pipeline flanges for chemical plants - HCBBS Forum
73. Can the special equipment non-destructive testing unit perform testing for other subsidiaries of its own group company? - HCBBS Forum
74. Functions of compressed air storage tanks and precautions for drain valves - HCBBS Forum
75. How to choose a solvent efficiently for recrystallization - HCBBS Forum
76. Calculation of the temperature rise of tower equipment due to environmental conditions in summer - HCBBS Forum
77. Calculation of the thermal performance of heat pipe air preheaters - HCBBS Forum
78. RT extended shot - HCBBS Forum
79. The boiler has not been put into use since it was installed – is it necessary to register it for use and have it inspected regularly? - HCBBS Forum
80. Basic knowledge of stainless steel - HCBBS Forum
81. Why is grade 1.6 used instead of grade 1.5 in the accuracy classes of general pressure gauges? - HCBBS Forum
82. Welcome to try out the NEXTGEN pressure vessel design and calculation software (ASME VIII-1/ASME VIII-2/EN13445/AD2000) - HCBBS Forum
83. Question: How is the diameter of a dome tank calculated? Or could you tell me in which reference this information can be found? Thank you! - HCBBS Forum
84. The most easily misunderstood check valve - HCBBS Forum
85. Cracks appear in stainless steel 410S seamless tubes after welding - HCBBS Forum
86. What are the common industry standards for static equipment in the refining industry? - HCBBS Forum
87. Selection of steel pipe thickness - HCBBS Forum
88. Does anyone have a small software tool or formula for calculating the relief valve discharge volume? - HCBBS Forum
89. Are there any standards for 8-character blind flanges of DN1000 and CL150? - HCBBS Forum
90. Dear experts, may I ask if the plate slideway of the condenser’s extractable tube bundle can be used as a bypass baffle? - HCBBS Forum
91. Why are liquid ammonia storage tanks subjected to a gas-tightness test? - HCBBS Forum
92. Is it possible to install shock-absorbing pads or rubber sheets at the bearing mounts of the vibration conveyor’s vibration assembly as well as at the channel steel of the base, in order to reduce vibrations and thereby decrease the frequency of weld failures in the base? - HCBBS Forum
93. Are there any requirements for the volume design of aluminum storage tanks for concentrated nitric acid? - HCBBS Forum
94. When using composite panels as test pieces for products, how should samples be taken for bending tests? - HCBBS Forum
95. What are the differences between different heat treatment processes? - HCBBS Forum
96. Common methods for denoting metal material grades - HCBBS Forum
97. Precautions for containers holding extremely hazardous or highly dangerous toxic substances - HCBBS Forum
98. What certificates should the personnel in the Equipment Department who manage special equipment obtain? - HCBBS Forum
99. The impact of moist electrodes on welding quality, and how to identify moist electrodes - HCBBS Forum
100. How are devices with a medium below its boiling point classified? - HCBBS Forum