English — Forum #92 (Page 17/87)

1. High-quality PPT: Maintenance, calibration, fault analysis, and troubleshooting methods for safety valves - HCBBS Forum
2. I would like to ask: does a folding arm crane belong to the category of unconventional lifting equipment? - HCBBS Forum
3. Simple questions about gaskets - HCBBS Forum
4. Selection of Materials for Pressure Piping Design and Examples of Piping Design - HCBBS Forum
5. 【Ten Years of Rapid Development in Chemical Engineering Equipment】2377–2022: Taiyuan North Heavy Industry developed China’s first large-diameter seamless steel pipe threading and expanding unit - HCBBS Forum
6. Hydrogen is pressurized and loaded into tube train vehicles; what types of valves are used in high-pressure hydrogen pipelines? - HCBBS Forum
7. The oil and gas collection system does not have measures in place to prevent excessive pressure or low pressure - HCBBS Forum
8. Number of diaphragms in the diaphragm valve - HCBBS Forum
9. [CARSARⅡ] Pipeline Stress (Static/Dynamic) Analysis and CAESARII Project Case Studies* - HCBBS Forum
10. I would like to ask which standards apply to natural gas pipelines within factory premises? - HCBBS Forum
11. German Ritag bottom valve, tank bottom valve - HCBBS Forum
12. 【Ten Years of Rapid Development in Chemical Engineering Equipment】2213-2025: Successful development of hydrogen transport pipes with the highest domestic steel grade - HCBBS Forum
13. What are the criteria for determining internal leakage in valves? - HCBBS Forum
14. Resend the full set of the new version of GB/T150-2024 with bookmarks; the attachment was deleted - HCBBS Forum
15. Non-destructive testing using industrial endoscopes - HCBBS Forum
16. 【Ten Years of Rapid Development in Chemical Engineering Equipment】From 2023 to 2025, BEIJIANG HEAVY INDUSTRY obtained a patent for the extrusion manufacturing method of large-diameter seamless pipes made of S32750 duplex stainless steel - HCBBS Forum
17. Selection of valve seat sealing surface width - HCBBS Forum
18. bellows - HCBBS Forum
19. China will build over 4,000 kilometers of new oil and gas pipelines this year - HCBBS Forum
20. [Share] Pipe wall thickness calculation table (very useful) - HCBBS Forum
21. Compilation of materials for petrochemical renovation projects - HCBBS Forum
22. Purchase request: [Petroleum coke] Requirement: sulfur content of less than or equal to 2.3% - HCBBS Forum
23. Are rupture disks and explosion vents installed on the boiler? - HCBBS Forum
24. Noise reduction issues in exhaust pipes - HCBBS Forum
25. High-performance leak-free fluorinated lining valves - HCBBS Forum
26. Problems with globe valves in liquid ammonia pipelines - HCBBS Forum
27. Position of the guide frame - HCBBS Forum
28. Will steam pipeline pressure testing cause pipeline expansion? - HCBBS Forum
29. 【Ten Years of Great Development in Chemical Equipment】1574–2024: Overcoming the Torque Challenge! Full-scenario three-eccentric butterfly valve series - HCBBS Forum
30. Please ask - HCBBS Forum
31. What standards does a single-acting valve comply with? - HCBBS Forum
32. How to match flanges for PN100 and CLASS1500 jacketed pipes - HCBBS Forum
33. 【Various Classifications of Fires】Video – Part 1: Common Codes and Standards for Chemical Engineering Design - HCBBS Forum
34. Can a fire-resistant fuse valve completely prevent fires? - HCBBS Forum
35. Chlorine tank safety valve - HCBBS Forum
36. Who has the contact information for this valve manufacturer? - HCBBS Forum
37. Safety valve calibration - HCBBS Forum
38. What causes a sonic boom when a safety valve discharges? - HCBBS Forum
39. The issue of pipe wall thickness in water tube boiler specifications - HCBBS Forum
40. I have issues with the installation of the on/off valve; please help me out - HCBBS Forum
41. The valve model is VBFA1H03; what does each letter represent? - HCBBS Forum
42. Questions regarding the temperature and pressure values for flange material group 2C3 of HG20592 - HCBBS Forum
43. Causes of damaged gaskets - HCBBS Forum
44. Fluid calculations for fluids flowing through valves, fittings, and pipes TP410 Chinese version 2013 edition - HCBBS Forum
45. Questions about the linear expansion coefficient of metals in GB/T20801-2020? - HCBBS Forum
46. Is it required that each fitting received for inspection be equipped with a certificate of conformity? - HCBBS Forum
47. Special equipment - HCBBS Forum
48. For small-diameter valves below DN40, should welding connection or flange connection be used? - HCBBS Forum
49. Selection of self-acting control valves for furnace gas supply - HCBBS Forum
50. What is the maximum allowable operating pressure for PN25 pipes? - HCBBS Forum
51. Pipeline leak detection - HCBBS Forum
52. Sharing on titanium-zirconium fittings - HCBBS Forum
53. 【Ten Years of Rapid Development in Chemical Processing Equipment】1942–2024: China’s first long-distance high-pressure pipeline capable of transporting hydrogen passes its initial inspection - HCBBS Forum
54. What color should compressed air pipes be painted? - HCBBS Forum
55. Does all stainless steel need to be passivated? - HCBBS Forum
56. Valves in foreign-related projects make extensive use of the BS standard rather than API - HCBBS Forum
57. 【Ten Years of Rapid Development in Chemical Engineering Equipment】Successful conduct of combustion and explosion tests on fiberglass hydrogen transport pipelines from 1263 to 2023 - HCBBS Forum
58. Koso pressure relief valve - HCBBS Forum
59. The Nord Stream undersea pipeline has leaked; let’s discuss what methods can be used to seal the leak - HCBBS Forum
60. Allowable stress of pipes - HCBBS Forum
61. Pressure pipelines above PN420 - HCBBS Forum
62. Pipeline static electricity bonding - HCBBS Forum
63. What are the calculation software options for pipelines? - HCBBS Forum
64. Why cannot safety valves be transported or stored horizontally? Which specification outlines the specific requirements? - HCBBS Forum
65. Who has samples of electric diaphragm pumps - HCBBS Forum
66. China National Nuclear Seventh Research and Design Institute has obtained a patent for vacuum control valves, which effectively prevents or reduces the risk of the valve core separating from the valve stem - HCBBS Forum
67. [Share] Branch pipe reinforcement calculation table (based on GB/T20801) - HCBBS Forum
68. Fire road issues - HCBBS Forum
69. Issues regarding temperature and pressure values for pipeline grades - HCBBS Forum
70. 【Ten Years of Rapid Development in Chemical Processing Equipment】1432–2024: Export of domestically produced large-diameter, high-pressure metal hard-sealed slurry ball valves overseas - HCBBS Forum
71. Stability of pneumatic control valves - HCBBS Forum
72. 【Ten Years of Rapid Development in Chemical Engineering Equipment】From 1299 to 2023, Qingdao Institute of Safety Engineering developed a DN1000 flame arrester technology - HCBBS Forum
73. As a construction contractor, how should one test the chloride ion content in the water used for pressure testing? - HCBBS Forum
74. The issue with weld type codes - HCBBS Forum
75. What is the applicable temperature range for GB/T3091? - HCBBS Forum
76. Can PTFE gaskets be used in steam pipes at 250°C? - HCBBS Forum
77. 【Ten Years of Rapid Development in Chemical Equipment】1875–2024: Domestic LNG storage tank vent valves passed inspection - HCBBS Forum
78. Skid-mounted equipment - HCBBS Forum
79. Bakelite flange - HCBBS Forum
80. Material selection for ASME bolts and nuts - HCBBS Forum
81. Questions regarding the determination of pressure ratings for valves and flanges in methanol pipelines - HCBBS Forum
82. 【Ten Years of Rapid Development in Chemical Engineering Equipment】X80 grade 1219x40 straight-seam submerged arc welded pipes for oil and gas transmission, 2017–2023 - HCBBS Forum
83. 【Ten Years of Rapid Development in Chemical Processing Equipment】2326-2025: Gem Tube Industry successfully develops China National Petroleum’s first titanium alloy coiled tubing - HCBBS Forum
84. Abnormal noise from the check valve at the outlet of the Roots blower - HCBBS Forum
85. Request a table showing the relationship between gasket pressure rating and pressure - HCBBS Forum
86. In a 1-cubic-unit vacuum tank, if a hole of 1 square centimeter is made, how long will it take for the pressure inside the tank to return to normal? - HCBBS Forum
87. Haitai New Energy and CNPC collaborate on the 736.5-kilometer Kangbao–Caofeidian 6.3 MPa hydrogen pipeline project - HCBBS Forum
88. With progress being made on the 12 hydrogen pipeline projects in 2024, China will have a total length of 2,363.77 km of hydrogen pipelines once they are completed - HCBBS Forum
89. Do nitric acid pipelines belong to pressure pipelines? - HCBBS Forum
90. Manually adjustable needle valve - HCBBS Forum
91. [Ten years of development of chemical equipment] 1202-2023 Vacuum jacketed cryogenic valve for liquid hydrogen passed the liquid hydrogen internal cooling method type test - HCBBS Forum
92. Piping stress analysis (finite element) - HCBBS Forum
93. Does anyone know the price of fiberglass anti-static pipes? For example, DN315 pipes - HCBBS Forum
94. Are there any corresponding standards and specifications for flange stiffening plates? - HCBBS Forum
95. The issue of valve selection - HCBBS Forum
96. What does gas engineering refer to? - HCBBS Forum
97. Twenty large-scale methanol-to-hydrogen plants across the country - HCBBS Forum
98. Low-temperature valves - HCBBS Forum
99. Regarding valve packing, graphite, tetrafluoroethylene - HCBBS Forum
100. HUB flange - HCBBS Forum