English — Forum #92 (Page 56/87)

1. Strength calculation of gantry cranes for pipeline lifting - HCBBS Forum
2. safety valve - HCBBS Forum
3. Is the construction of changing the starting point, ending point, and route of pressure pipelines considered renovation or installation? - HCBBS Forum
4. When connecting small fittings to a pipe, is it necessary to use fittings or pipe supports? - HCBBS Forum
5. How to distinguish between A333 and steel pipe No. 20 - HCBBS Forum
6. The difference between commercial steel and stainless steel - HCBBS Forum
7. Which standards should be followed for the excavation and backfilling of trenches for industrial metal pipes? - HCBBS Forum
8. [Process Engineering Division – Pipeline and Valve Technology Exchange Section – Daily Question – Questions 03-06] - HCBBS Forum
9. Can compensators be used on the flare vent pipeline? - HCBBS Forum
10. Under what circumstances are flanges required in pipeline fabrication? - HCBBS Forum
11. [Process Engineering Division – Pipeline and Valve Technology Exchange Forum – Daily Question – Questions 03–20] - HCBBS Forum
12. Why doesn’t the handwheel of a straight-through gate valve fall off when it is opened? - HCBBS Forum
13. Rosemount 3051C selection and physical dimensions - HCBBS Forum
14. Newbie learning* seeking help! ! - HCBBS Forum
15. Why in the pipe material grade table provided by the design institute is the temperature corresponding to a lower pressure value higher in the extreme condition column? - HCBBS Forum
16. Help: Does anyone know what kind of valve this is? - HCBBS Forum
17. Issues with the installation of gas pipelines within the factory premises? - HCBBS Forum
18. Ball valve scraper structure - HCBBS Forum
19. Issues with the MESG value of flame arresters - HCBBS Forum
20. Do wafer-type butterfly check valves require flanges specific to butterfly valves? - HCBBS Forum
21. How to select fasteners, gaskets, and pipes for ASME B16.5 flanges - HCBBS Forum
22. Seeking advice from experts - HCBBS Forum
23. I would like to ask everyone about the relevant information in the table; thank you! - HCBBS Forum
24. Ventilation disc valve, air damper, - HCBBS Forum
25. Can a valve be installed below the safety valve? - HCBBS Forum
26. Problems with pipeline connections between equipment rooms - HCBBS Forum
27. Pipeline stress calculation - HCBBS Forum
28. Installation location of the vent valves on the inlet and outlet of the safety valve - HCBBS Forum
29. Safety valve calculation – tube rupture condition in heat exchangers (high-pressure fluid in gaseous phase) - HCBBS Forum
30. Common units of pressure - HCBBS Forum
31. Can centerline butterfly valves be made with a hard seal? - HCBBS Forum
32. 【Process Engineering Division - Pipeline and Valve Technology Exchange Forum - Daily Question - Questions 02-19】 - HCBBS Forum
33. I am looking for a piston-type quick discharge valve; imported or joint-venture brands are preferred - HCBBS Forum
34. What are the definitions of toxic and non-toxic in pressure pipelines? - HCBBS Forum
35. Valve positioner - HCBBS Forum
36. Looking for protection against condensation and freezing of valves? ? ? - HCBBS Forum
37. 【Process Engineering Division – Pipeline and Valve Technology Exchange Forum – Daily Question – Questions 03–30】 - HCBBS Forum
38. Nitrogen sealing system - HCBBS Forum
39. Confirmation of pressure level after the steam trap - HCBBS Forum
40. What is the difference between a condenser and a heat exchanger? What is the difference between an air compressor and a vacuum pump? - HCBBS Forum
41. I’m borrowing this platform to ask experts again about the accessories in the picture - HCBBS Forum
42. Which connection method is correct? - HCBBS Forum
43. How to distinguish flash steam from leak steam - HCBBS Forum
44. Regarding pressure-containing plugging - HCBBS Forum
45. Ask the experts, what are the pipe fittings in the picture below? - HCBBS Forum
46. Selection and performance issues of check valves - HCBBS Forum
47. I’d like to ask an expert: What about hard-sealed butterfly valves? - HCBBS Forum
48. What material is API 5C? - HCBBS Forum
49. [Process Engineering Division – Pipeline and Valve Technology Exchange Section – Daily Question – Questions 03–10] - HCBBS Forum
50. Urgent help: Is it illegal to use methods such as applying plates or covering containers to deal with chemical leaks? Are there any standards or guidelines that can be referred to? - HCBBS Forum
51. Issues with the airtightness test of safety valves - HCBBS Forum
52. Introduction to the control feedback signal of electric valves - HCBBS Forum
53. Model - HCBBS Forum
54. Material selection for high-temperature oxygen pipelines - HCBBS Forum
55. H2S-resistant steel - HCBBS Forum
56. Pipe bypass, regarding fluid mechanics - HCBBS Forum
57. Can the flanges of the Class series be connected to B-series pipes? - HCBBS Forum
58. Pressure Pipeline Audit Certificate - HCBBS Forum
59. Discussion on the Surveying and Mapping of Safety Valves - HCBBS Forum
60. Who can tell me how to check a Haichuan Forum UID? - HCBBS Forum
61. Flange material category code - HCBBS Forum
62. Common standards for flanges - HCBBS Forum
63. Can the butt welds of nozzles on pressure vessels smaller than DN250 be exempt from radiographic inspection? - HCBBS Forum
64. [Process Engineering Division – Pipeline and Valve Technology Exchange Forum – Daily Question – Questions 02-05] - HCBBS Forum
65. Instrument issue? - HCBBS Forum
66. Find flow rate, velocity - HCBBS Forum
67. PN2.0 or PN20 - HCBBS Forum
68. HG 20613 bolt length - HCBBS Forum
69. Selection of valves for oxygen pipelines - HCBBS Forum
70. Method for determining the opening area of vacuum suction pipes - HCBBS Forum
71. SCH and wall thickness - HCBBS Forum
72. [Process Engineering Division – Pipeline and Valve Technology Exchange Forum – Daily Question – Questions 04–23] - HCBBS Forum
73. Selection of diameter for electric control valve - HCBBS Forum
74. Install thermometers and pressure gauges on the pipeline? - HCBBS Forum
75. Issues with the installation of 8-character blind flanges and bolts - HCBBS Forum
76. Hello everyone, discussion on the production qualifications for pressure pipeline components - HCBBS Forum
77. What kind of valve is this? - HCBBS Forum
78. Pipe rack sliding support - HCBBS Forum
79. Valve inspection and acceptance - HCBBS Forum
80. What is the venting device of a ball valve? Seeking advice from experts - HCBBS Forum
81. What fittings are shown on this pipe axonometric diagram? - HCBBS Forum
82. What are the valve manufacturing standards? - HCBBS Forum
83. I have a question regarding large-diameter pipes - HCBBS Forum
84. Is it okay to arrange the pipe supports in this way? - HCBBS Forum
85. Major issues regarding the passage of thermal pipes through walls - HCBBS Forum
86. Helium leak detection contractor - HCBBS Forum
87. Pipeline testing - HCBBS Forum
88. Do chemical plants use many large outer diameter series pipes? - HCBBS Forum
89. The safety valve body has a valve handle – is it necessary to apply a lead seal? - HCBBS Forum
90. Can anyone help send the old book: Reference Materials for Thermal Pipe Network Design in PDF format to 94742967@qq.com? - HCBBS Forum
91. Operating conditions of double-eccentric butterfly valves - HCBBS Forum
92. Ventilation butterfly valve - HCBBS Forum
93. Lens pad - HCBBS Forum
94. I would like to ask what the small grooves on the valve base are used for? - HCBBS Forum
95. I would appreciate it if an expert could give some guidance on the comparison between steel-lined glass tubes and glass-lined tubes - HCBBS Forum
96. Are there design standards for the elliptical flanges used in pressure transmitters? - HCBBS Forum
97. Regarding the calibration of safety valves - HCBBS Forum
98. EN1514-1 - HCBBS Forum
99. Problems with pipeline layout - HCBBS Forum
100. Experts, I have another question regarding valve selection and would appreciate your advice! - HCBBS Forum