English — Forum #276 (Page 34/145)

1. Introduction to data on various types of storage tanks - HCBBS Forum
2. Liven up the atmosphere - HCBBS Forum
3. Addition of motor bearing butter - HCBBS Forum
4. Seeking advice on heat exchanger corrosion - HCBBS Forum
5. Gentlemen, regarding the selection of welding joint types - HCBBS Forum
6. Is the assessment outline for inspectors of special equipment, TSG Z0003-2005, still valid? - HCBBS Forum
7. Wear-resistant steel plate - HCBBS Forum
8. Design of 5000 cubic meter rubber membrane dry gas storage tank - HCBBS Forum
9. Who can provide a reference drawing of a non-standard saddle for DN8000? - HCBBS Forum
10. Selected Basic Training Materials for Water Treatment Equipment - HCBBS Forum
11. The function of the gasket structure at the jacket flange - HCBBS Forum
12. Material selection issues in the design of high-temperature pressure vessels - HCBBS Forum
13. Equipment for making openings in containers made of titanium composite plates - HCBBS Forum
14. Basic knowledge of pressure vessels - HCBBS Forum
15. Welding procedure qualification for composite steel plates in pressure vessels - HCBBS Forum
16. What calculation parameters are required when ordering emergency pressure relief manholes for atmospheric-pressure equipment? - HCBBS Forum
17. Qualifications required for the construction of gas cabinets - HCBBS Forum
18. Can acid washing and passivation of stainless steel restore its color? Can it also restore its corrosion resistance? - HCBBS Forum
19. Should the original or a copy of the special equipment use label be posted on-site? - HCBBS Forum
20. Various equipment inspection standards - HCBBS Forum
21. Where is the official definition of the pipeline to which the equipment itself belongs? - HCBBS Forum
22. The problem with baffles - HCBBS Forum
23. Capacity of water intake tank - HCBBS Forum
24. Is it feasible to use the crushed flux from welding rods as welding wire? - HCBBS Forum
25. flame arrester - HCBBS Forum
26. Guys, where are the legitimate websites for bidding on pressure vessels? - HCBBS Forum
27. If the medium inside the pressure vessel contains H2S, how should the properties of this medium be described? - HCBBS Forum
28. Incomplete post-weld heat treatment is advantageous - HCBBS Forum
29. How to open files in DRF format - HCBBS Forum
30. Causes, measures, and methods for reheat cracking in welded joints - HCBBS Forum
31. Technical requirements for wear-resistant elbows and tees in pneumatic ash transport systems - HCBBS Forum
32. Are elevators and pressure vessels now issued permits separately or as a single permit? - HCBBS Forum
33. Discussion on filtration and separation problems - HCBBS Forum
34. Analysis of the advantages and disadvantages of the five main types of valves - HCBBS Forum
35. Determination of the wall thickness of tower-type equipment cylinders - HCBBS Forum
36. Steam generator - HCBBS Forum
37. Regulations regarding the calibration of pressure gauges and their calibration intervals - HCBBS Forum
38. Comparative Analysis of Domestic and International Standards for Weld Inspection - HCBBS Forum
39. Selection of pressure and temperature ratings for HG/T20592 flanges - HCBBS Forum
40. This is a severely damaged impeller - HCBBS Forum
41. Code for Maintenance and Overhaul of Petrochemical Equipment (2019 Edition), Volume 1: General Equipment - HCBBS Forum
42. Six methods for testing the sealing integrity of welded joints - HCBBS Forum
43. Quality Inspection Outline for Petrochemical Projects - HCBBS Forum
44. Principles for selecting materials for pressure vessels - HCBBS Forum
45. Guys, what does an overall steel pipe flange IF look like? - HCBBS Forum
46. Power plant wear-resistant pipe parameters - HCBBS Forum
47. The concept of three types of pipeline pressure - HCBBS Forum
48. Notice from the General Office of the State Administration for Market Regulation on Matters Concerning the Approval of Special Equipment Inspection Agencies - HCBBS Forum
49. The drawings specify a minimum forming thickness; how is the steel thickness determined in practice? - HCBBS Forum
50. Single-pass welding and multi-pass welding - HCBBS Forum
51. General procedures for pigging and pressure testing before the commissioning of oil and gas pipeline projects - HCBBS Forum
52. Basic knowledge of chemical equipment for operators - HCBBS Forum
53. Basic properties of lubricating oil - HCBBS Forum
54. Selection of weld evaluation methods for inserting composite panels into stainless steel forged pipes and selection of welder assessment items - HCBBS Forum
55. Installation of slip-end foot bolt nuts for horizontal tank saddles - HCBBS Forum
56. The problem of brittleness of 304L heat exchange tubes - HCBBS Forum
57. Regarding the heat rejection of evaporative condensers - HCBBS Forum
58. Questions about the renovation of pressure vessels? - HCBBS Forum
59. Measures to improve the quality management of pressure vessels - HCBBS Forum
60. Differences between HG/T20613 and NB/T47027 - HCBBS Forum
61. Regarding the proportion of non-destructive testing for welds in quickly openable manholes - HCBBS Forum
62. Carbon-molecule vaporization combustion technology and proper strategies for carbon neutrality - HCBBS Forum
63. How is the long-diameter flange of pressure vessel equipment flanges thinned out using the dashed line? - HCBBS Forum
64. Sharing of flanged pipe fitting size lookup software - HCBBS Forum
65. Sequence of lining, hydrostatic test, and airtightness test - HCBBS Forum
66. The relationship between heat treatment and inspection - HCBBS Forum
67. Seeking advice on the qualifications required for conducting RBI inspections on pressure vessels - HCBBS Forum
68. Selection of pipe flange grades - HCBBS Forum
69. Welding terms related to weld joints and welds that every welder must know - HCBBS Forum
70. Discussion on the pre-welded components of Type N pipe racks in the HG/T21629-2021 pipe rack standard drawings - HCBBS Forum
71. What should I do if the deaerator prompts "The opening of the accessory equipment is too large and cannot be calculated" when calculating the attached equipment in SW6. - HCBBS Forum
72. Excavation work - HCBBS Forum
73. Introduction to Stainless Steel Series Grades -- 303 - HCBBS Forum
74. Design steps for shell and tube heat exchangers - HCBBS Forum
75. Causes of leakage in mechanical seals of pump machinery - HCBBS Forum
76. Regulations regarding the calibration of pressure gauges and their calibration intervals - HCBBS Forum
77. Ultrasonic testing of pressure vessel steel plates - HCBBS Forum
78. I have a question about coil calculation. - HCBBS Forum
79. When using SW6-2011 V5.0 to verify towers, the message “Cannot create file” appears – how to fix it? - HCBBS Forum
80. Principles for selecting vacuum pumps and related calculation formulas - HCBBS Forum
81. Can the installation supervision and inspection of special equipment be carried out by third-party companies? - HCBBS Forum
82. Can lined manholes be used for Class II and III stainless steel equipment with flammable, explosive and toxic media? - HCBBS Forum
83. Measures to improve quality management of pressure vessels - HCBBS Forum
84. The role of alloying elements in nickel-based alloys - HCBBS Forum
85. Issues with the general drawings for Sinopec insulation clamps - HCBBS Forum
86. The temperature of the graywater deaerator in the water-coal slurry gasification unit experiences large fluctuations; what is the reason for the imbalance between the two deaerators operating in parallel? - HCBBS Forum
87. Inspection issues of butt welds on the nozzles of pressure vessels with DN250 and below - HCBBS Forum
88. Blowout disks are installed on pressure vessels at atmospheric pressure; what should the burst pressure be? - HCBBS Forum
89. Negative pressure issue at the top of the hydrochloric acid storage tank - HCBBS Forum
90. Welding material issues - HCBBS Forum
91. Calculation reports for steel chimneys available (upon request) - HCBBS Forum
92. Post-weld heat treatment of composite plates - HCBBS Forum
93. 9 Questions and Answers on Common Valve Problems - HCBBS Forum
94. 21 Questions to Clarify Special Equipment - HCBBS Forum
95. May I ask everyone, why are there requirements for installation dimension tolerances at the upper and lower pipe ends of the level gauge? - HCBBS Forum
96. Notice on the Work Plan for Standard Promotion in 2023 by the National Technical Committee for Standardization of Boilers and Pressure Vessels - HCBBS Forum
97. Why is X-ray or ultrasonic testing still required after γ-ray testing for large pressure vessels? - HCBBS Forum
98. Storage tank construction quality control parameters and contents - HCBBS Forum
99. On the strengthening of edgeless conical shells - HCBBS Forum
100. Should a transition zone be added for 20MnMo and Q345? - HCBBS Forum