English — Forum #276 (Page 129/145)

1. Experts, I have a question regarding deaerators. - HCBBS Forum
2. NB/T 47018.1～47018.5-2017 standards - HCBBS Forum
3. High-temperature drawing of tubes - HCBBS Forum
4. Is a jacketed reactor with DN2000 and PN1.6 (MPa) required to have a pressure vessel flange? - HCBBS Forum
5. Tube welding - HCBBS Forum
6. Questions regarding fasteners for HG20592 flanges - HCBBS Forum
7. Regarding the value of FG in flange calculations - HCBBS Forum
8. Can spiral-welded pipes be used for boiler flues? - HCBBS Forum
9. Materials - HCBBS Forum
10. Should ear supports on chromium-molybdenum steel pressure vessels indeed be equipped with shims? - HCBBS Forum
11. What is the purpose of the pipeline with holes in the tank? - HCBBS Forum
12. Insulation between the saddle of the low-temperature heat exchanger and its foundation - HCBBS Forum
13. Epoxy coal tar pitch coating - HCBBS Forum
14. Regarding reducing burner power - HCBBS Forum
15. Strengthening of large openings in atmospheric pressure vessels? - HCBBS Forum
16. Regarding the treatment of the nozzle wall thickness when connecting it to the cylinder - HCBBS Forum
17. I would like to ask the experts: Can the dust collector bags made of PTFE be removed and washed with clean water? - HCBBS Forum
18. Determination of pressure for hydraulic pressure test of pressure pipelines - HCBBS Forum
19. ASME pipe bending test requirements - HCBBS Forum
20. Design license issue - HCBBS Forum
21. Issues related to leak detection in the welding of heat exchanger tube ends and tube sheets - HCBBS Forum
22. A question regarding non-destructive testing in the major standards - HCBBS Forum
23. Gas boiler cleaning - HCBBS Forum
24. Procedural issues regarding technical contacts - HCBBS Forum
25. The issue of reinforcing openings after takeover - HCBBS Forum
26. China Welding Lifetime Achievement Award - HCBBS Forum
27. Diameter of through-hole in pressure vessel flange stud - HCBBS Forum
28. Have a question! A pressure vessel is a sealed device that can withstand certain pressure. Is there something wrong with this statement? - HCBBS Forum
29. The issue of selecting material for container support pads - HCBBS Forum
30. Can a single cylinder section of a pressure vessel be tailor welded? - HCBBS Forum
31. 2.5mpa turbine emergency shutdown valve actuation oil pressure - HCBBS Forum
32. 10,000 cubic meter ethylene glycol storage tank - HCBBS Forum
33. Can a fully stainless-steel pressure gauge be used as a substitute for a gauge designed specifically for ammonia? - HCBBS Forum
34. Whether the weld between the head and the cylinder needs to undergo post-weld heat treatment? - HCBBS Forum
35. On local stress at pipe orifices - HCBBS Forum
36. Jacketed vessel nozzles require flange-faced flanges – what is the difference between them and plate welding flanges? - HCBBS Forum
37. Automatic boiler level control - HCBBS Forum
38. How to design the radius of curvature R of ceramic wear-resistant elbows to achieve maximum wear resistance - HCBBS Forum
39. How long does the pressure retention test for pressure vessels last? - HCBBS Forum
40. Vessel liquid level - HCBBS Forum
41. Supervision and inspection for pressure vessel manufacturing - HCBBS Forum
42. Dear sea friends, is it necessary to add scale inhibitor to the heating boiler? - HCBBS Forum
43. Selection of boiler water sampling points - HCBBS Forum
44. What are the components of the control system for a circulating fluidized bed boiler? - HCBBS Forum
45. Liquefied natural gas issues? - HCBBS Forum
46. Container opening pipe hole - HCBBS Forum
47. Are there any manufacturers of fixed-bed reactors? - HCBBS Forum
48. Gasket issues on both sides of the tube sheet in liquid ammonia evaporators - HCBBS Forum
49. Why do the elongation at break and impact absorption energy need to be divided into “longitudinal” and “transverse”? - HCBBS Forum
50. Seek the high-temperature allowable stress of titanium alloy TC4 and related information - HCBBS Forum
51. In a heat transfer oil boiler, in the furnace radiation zone, can heating tubes be installed? - HCBBS Forum
52. Calculation of butterfly head pressure on flange blind plate. - HCBBS Forum
53. How are the initial overall membrane stress and initial bending stress of non-standard container supports calculated? ? ? - HCBBS Forum
54. On-line flue gas monitoring dust meter - HCBBS Forum
55. Leakage problem of the carbon ring seal in steam compressors - HCBBS Forum
56. What is a steam drum level gauge - HCBBS Forum
57. Air-cooled pressure testing - HCBBS Forum
58. A welder is now required to weld dissimilar steels of Type II and Type IV materials. What qualifications are needed for this welder’s welding certificate? - HCBBS Forum
59. Air separation air compressor - HCBBS Forum
60. How should the sealing of equipment under normal pressure be designed? ! - HCBBS Forum
61. Structural issues of low-temperature stainless steel end plates - HCBBS Forum
62. Renovation of 100-ton chain hot water boiler - HCBBS Forum
63. Seek assistance from refineries and manufacturing units in the vicinity of Binzhou, Shandong, to obtain a spare set of 900 heat exchanger tubes - HCBBS Forum
64. Working principle and characteristics of adjustable shrinkage holes in pulverized coal pipelines - HCBBS Forum
65. Design Code for Chemical Equipment Using Liquefied Hydrocarbons - HCBBS Forum
66. Regarding the access holes below containers and reactors - HCBBS Forum
67. Stress issues of Q345R - HCBBS Forum
68. On pressure vessel drawings, should the recommended welding electrode be specified by model or grade? - HCBBS Forum
69. Calculation of tube box flanges in fixed-tube-sheet heat exchangers - HCBBS Forum
70. Dry pot with steam drum - HCBBS Forum
71. The function of the 91.5° elbow in horizontal drainage - HCBBS Forum
72. Can butt welds with no pressure difference, whether inside or outside a pressure vessel, be classified as Class AB welds? [ - HCBBS Forum
73. Can 08Ni3D forgings be used when the temperature is above 20°C? - HCBBS Forum
74. Request equipment valuation sheet - HCBBS Forum
75. Calculation of wall thickness for vacuum chambers - HCBBS Forum
76. On the corrosion protection of anchor bolts - HCBBS Forum
77. Conversion of ignition from above the boiler bed to below the boiler bed - HCBBS Forum
78. For a circulating water cooler, is the valve used to control flow on the water side the inlet valve or the outlet valve? - HCBBS Forum
79. How to calculate the acid dew point of flue gas containing hydrogen chloride (HCl) gas - HCBBS Forum
80. Regarding the issue of equipment rusting - HCBBS Forum
81. Hydrogen flow meter - HCBBS Forum
82. Issues related to regular inspections of boilers - HCBBS Forum
83. The company is going to carry out the renewal process for the A1 and A2 designs; the inspection team is coming soon. Please give me some advice, I need to prepare last minute! - HCBBS Forum
84. YLL-1200(100)A heat transfer oil furnace system flow diagram? - HCBBS Forum
85. On-site installation guide - HCBBS Forum
86. In a heat exchanger, if hydrogen sulfide is used in the tube side, how should heat treatment for that side be considered? - HCBBS Forum
87. Material consultation - HCBBS Forum
88. Ground torch insulation material - HCBBS Forum
89. Seek drawings for multi-effect falling film evaporator - HCBBS Forum
90. Welding of the clamping sleeve body and the inner tube body - HCBBS Forum
91. Issues related to the establishment of safety valve records - HCBBS Forum
92. Static equipment design, production assistance software - HCBBS Forum
93. Can the MESG value of a flame arrester be calculated? ? - HCBBS Forum
94. May I ask about the sealing principle of the two sides of the gasket in Wood seal? - HCBBS Forum
95. What is the structure of the oil-gas separator in a heat transfer oil furnace? - HCBBS Forum
96. Issues with the lining tube of expansion joints in shell-and-tube heat exchangers - HCBBS Forum
97. What is the m.y of reinforced flexible graphite gasket pads? - HCBBS Forum
98. How to clean a heat exchanger tube bundle (urgent) - HCBBS Forum
99. Material list issue - HCBBS Forum
100. Is the toothed clamp connection a type of quick-opening door? - HCBBS Forum