English — Forum #92 (Page 14/87)

1. 【Haichuan Safety Discussion】What seems to be the problem with this intermittently used nitrogen pipeline and the process pipeline? - HCBBS Forum
2. Are there any corresponding standards for the manufacturing and acceptance of packing fibers? - HCBBS Forum
3. Do pipes with different DNs have both large and small outer diameter series? Is a larger outer diameter necessarily better than a smaller one? - HCBBS Forum
4. If a small hole is made in a pressure pipeline, is it necessary to have it inspected by authorities responsible for pressure pipelines? - HCBBS Forum
5. For enamel pipes used with flammable media, how is static electricity discharged? - HCBBS Forum
6. Power plant valves: How to select the right valves for the power plant industry - HCBBS Forum
7. Dear expert, could you please explain what this material description means? - HCBBS Forum
8. Piping model problem - HCBBS Forum
9. 【Ten Years of Rapid Development in Chemical Equipment】1298-2023: 4 Firsts Achieved! Operation of the natural gas pipeline under the seabed in Jiaozhou Bay, Qingdao - HCBBS Forum
10. How effective is it in improving the fire resistance of flexible graphite gaskets? - HCBBS Forum
11. What does it mean to coat the stem of a stop valve and the rocker of a check valve with ENP? - HCBBS Forum
12. How to conduct pressure testing on docking valves - HCBBS Forum
13. Flanges matching pipe sizes - HCBBS Forum
14. Regarding air leakage caused by rust on the inner wall of the cylinder of the triple-eccentric butterfly valve - HCBBS Forum
15. Questions regarding fasteners for low-temperature pipelines. - HCBBS Forum
16. Let’s talk about some real-world cases of valve usage I’ve encountered - HCBBS Forum
17. Seeking help: EPC companies in the petrochemical industry in European and American companies - HCBBS Forum
18. Regarding the issue of installing pressure gauges and vent valves between the rupture disc and the safety valve - HCBBS Forum
19. Xinrui Mini-Class || How to effectively reduce/avoid creep in sealing materials - HCBBS Forum
20. Have you seen a 0-120mA electrical signal? - HCBBS Forum
21. Completion of Inner Mongolia’s first green hydrogen pipeline project - HCBBS Forum
22. Can flexible metal hoses be used in official pipelines as pressure conduits? - HCBBS Forum
23. Butterfly valves vs. gate valves: A comparison for selection in fluid control systems - HCBBS Forum
24. What material is generally suitable for the adapter sleeve between the valve stem and the actuator of pneumatic and electric valves? - HCBBS Forum
25. Can’t electrical connectors with explosion-proof requirements use G threads? - HCBBS Forum
26. Discussion on the leakage level of valve seats - HCBBS Forum
27. Maintenance-free green-label explosion-proof chemical submersible pump - HCBBS Forum
28. Welding of dissimilar steels in pressure pipelines - HCBBS Forum
29. Use of materials for gas transmission pipelines - HCBBS Forum
30. 【Ten Years of Rapid Development in Chemical Engineering Equipment】High-pressure hydrogen service gate valves and high-temperature, high-pressure steam gate valves models 1477–2024 have passed product certification - HCBBS Forum
31. 【Ten Years of Rapid Development in Chemical Processing Equipment】1352-2023: Large-diameter (20\" – 600Lb) fully welded buried globe valves exported to Europe - HCBBS Forum
32. Grade 4.8 bolts - HCBBS Forum
33. Selection of pneumatic control valves - HCBBS Forum
34. Two dimensions are specified in the HG/T 2289-2017 standard for flexible rubber joints - HCBBS Forum
35. How to replace a rusted spring inside a silent check valve - HCBBS Forum
36. long-distance pipeline - HCBBS Forum
37. What do the individual letters in the model number of this chlorine shut-off valve mean? - HCBBS Forum
38. How to replace underground pipe supports - HCBBS Forum
39. Has anyone used shock-absorbing gaskets to reduce pipe vibration? - HCBBS Forum
40. There are standard requirements for the wall thickness of hot-rolled seamless pipes; what are the requirements for the wall thickness after they are processed into elbows? - HCBBS Forum
41. Could you please provide an explanation of the term \"valve\"? - HCBBS Forum
42. Help, why can the U-tube water seal function properly to prevent water from entering and stop steam and air from getting into the condenser? - HCBBS Forum
43. Are there valves that need to be opened and closed 50-60 times a day? - HCBBS Forum
44. Selection of valves for the new energy industry - HCBBS Forum
45. The issue of weld hardness - HCBBS Forum
46. 【Ten Years of Rapid Development in Chemical Engineering Equipment】7300×4200mm Ultra-large Diameter Desulfurization and Denitrification Flue Plug for Coking, 1194–2023 - HCBBS Forum
47. How to design a simple drying room - HCBBS Forum
48. Is the drain valve installed correctly below? - HCBBS Forum
49. Why do brackets need to have corners cut off? - HCBBS Forum
50. What is the largest diameter fluorinated lining gate valve you have seen? - HCBBS Forum
51. Acceptance Specifications for Anti-corrosion Treatment Using Glass Flakes in Underground Pipelines - HCBBS Forum
52. What does a quick-install valve mean? - HCBBS Forum
53. Regarding whether asbestos rubber gaskets are allowed to be used! - HCBBS Forum
54. The root valve (manual valve) of the separator does not close properly – how can it be replaced under pressure? - HCBBS Forum
55. Low-leakage high-pressure fluorinated anti-corrosion butterfly valve - HCBBS Forum
56. 【Ten Years of Rapid Development in Chemical Engineering Equipment】1589–2024: Domestic hot-bent pipes shipped to Europe - HCBBS Forum
57. Why cannot fillet joints be inspected using ultrasound or radiography - HCBBS Forum
58. Does it fall under pressure pipelines? Is it subject to **regulation**, and which standards should be applied? - HCBBS Forum
59. Is it necessary to use adhesive to seal the gap between the upper and lower tiles inside the insulation pipe support? - HCBBS Forum
60. Differences between nuts - HCBBS Forum
61. Performance evaluation of industrial pressure relief valves: a comprehensive review of stability, durability, and efficiency - HCBBS Forum
62. 【Ten Years of Rapid Development in Chemical Processing Equipment】Domestic production of multi-channel plunger valves for slurry-bed residue hydrogenation was verified between 2012 and 2023 - HCBBS Forum
63. What is the difference between fully forged and semi-forged forged steel valves? Please explain - HCBBS Forum
64. Evolution of butterfly valve technology: From basics to modern innovations - HCBBS Forum
65. What is this on the main steam pipeline entering the plant in the park? - HCBBS Forum
66. What is the purpose of the connecting pipe outside the condensate collection tank of a falling film evaporator? - HCBBS Forum
67. Who has the electronic versions of these design guides for pipeline engineering? - HCBBS Forum
68. 【Ten Years of Rapid Development in Chemical Engineering Equipment】From 1924 to 2022, China completed the installation of the highest-pressure submarine pipeline designed and constructed independently by the country - HCBBS Forum
69. The impact of the transition between autumn and winter on valves - HCBBS Forum
70. Chinese company builds 197-kilometer high-pressure pipeline in Saudi Arabia with a test pressure of 63.95 MPa - HCBBS Forum
71. Pipes within the scope of boilers as per GB/T16507 - HCBBS Forum
72. Wafer-type check valve - HCBBS Forum
73. KHV---Ultra-high pressure valve - HCBBS Forum
74. Selection of propylene oxide pipeline valves - HCBBS Forum
75. 【Ten Years of Rapid Development in Chemical Engineering Equipment】1504–2024: 220 safety valves from Beijing Aerospace Power support the world’s largest ethanol project - HCBBS Forum
76. Stop valve - HCBBS Forum
77. Corrosion thinning of the inner curved surface of elbows - HCBBS Forum
78. A completely new domestic two-way forced-sealing ball valve - HCBBS Forum
79. 【Ten Years of Rapid Development in Chemical Engineering Equipment】From 1476 to 2022: China’s first \"smart factory\" for the manufacturing of offshore oil and gas equipment was officially put into operation - HCBBS Forum
80. How can an electric gate valve with DN400 flange connections be converted to a welded version? - HCBBS Forum
81. What is the difference between application scenarios of pipe racks E2 and E3 according to HG/T21629-2021? - HCBBS Forum
82. Looking for a ball valve design calculation sheet in table format with formulas; the cost is not an issue - HCBBS Forum
83. Regarding water jet cutting and baking soda for rust removal - HCBBS Forum
84. 【Ten Years of Rapid Development in Chemical Equipment】1974–2024: Domestic production of axial flow check valves for 1.6 million tons/year ethylene plants - HCBBS Forum
85. 【Ten Years of Rapid Development in Chemical Engineering Equipment】From 2023 to 2025, Bohai Equipment Giant Steel Pipe has overcome the key manufacturing technology challenges related to large-diameter low-temperature steel pipes - HCBBS Forum
86. American standard specifications for stop valves - HCBBS Forum
87. What is the form of the device nozzle half sleeve/glove 3000#? What kind of flange is FJA/900# again? - HCBBS Forum
88. Regarding GB/T 9711-2023 - HCBBS Forum
89. Request for the general atlas of urban gas valve chambers, CDP-M-CGP-OP-001-2013-1 - HCBBS Forum
90. In a liquid ring compressor unit, is the pipeline that runs from the exhaust port of the liquid ring compressor to the gas-liquid separator considered a pressure pipeline? - HCBBS Forum
91. Metric to Imperial Conversion Table (for valves) - HCBBS Forum
92. Operating pressure of the piping system - HCBBS Forum
93. Shaanxi Tili Dexin Metal Materials Co., Ltd. – Titanium fittings, titanium elbows, titanium flanges, titanium tees - HCBBS Forum
94. Heat exchanger engineering design and simulation calculations - HCBBS Forum
95. What standards should be referred to to determine the pressure that threaded-valve connections can withstand? - HCBBS Forum
96. Efficient exhaust: An analysis of modern exhaust valve technology - HCBBS Forum
97. Why are small-diameter valves meeting American standards such as globe valves, stop valves, and check valves made of forged steel, while ball valves are made of cast steel? - HCBBS Forum
98. Issues regarding the temperature and pressure rating values of flanges per GB/T 9124.1-2019 standard - HCBBS Forum
99. Why is there a term \"outer surface area of the protective layer\" in the table for pipeline external surface anti-corrosion? - HCBBS Forum
100. GC1 pipeline - HCBBS Forum