English — Forum #92 (Page 3/86)

1. Fuel cell test bench - HCBBS Forum
2. German Ritag bottom valve, tank bottom valve - HCBBS Forum
3. Software for completion documents of industrial pipelines - HCBBS Forum
4. What does it mean for a safety valve to be disconnected? - HCBBS Forum
5. Valve - HCBBS Forum
6. Teaching you how to choose a high-pressure angle-type stop valve correctly - HCBBS Forum
7. Bolt screwing depth in through holes and blind holes - HCBBS Forum
8. What is the impact of annealing, normalizing, and quenching on the performance of valves? - HCBBS Forum
9. Seeking help with pipe material grade codes such as ACE, DAZ, ASF, etc - HCBBS Forum
10. Units and conversions for valve pressure and temperature - HCBBS Forum
11. 【Haichuan Equipment Guessing Game】Question: What kind of valve is this? What structure? What model? - HCBBS Forum
12. There are also many techniques involved in customizing self-acting pressure control valves - HCBBS Forum
13. Installation requirements for flame arresters - HCBBS Forum
14. ASME Pressure Vessel Code – General Fluids - HCBBS Forum
15. All-plastic valves, all-plastic pneumatic valves, plastic fittings and pipes; contact me if you have any needs or want to discuss technical details - HCBBS Forum
16. 【Haichuan Equipment Guessing Game】See how the iron tree blooms - HCBBS Forum
17. Forged steel valves - HCBBS Forum
18. Pipeline workers are about to get busy: The 15th Five-Year Plan sets clear targets of 5 trillion yuan in investment and the construction or renovation of 700,000 kilometers of underground pipeline networks - HCBBS Forum
19. Measures to prevent materials from flowing back into steam pipes - HCBBS Forum
20. Compatibility between American standard flanges and Chinese standard flanges? - HCBBS Forum
21. Please ask - HCBBS Forum
22. Pipe flow velocity - HCBBS Forum
23. Plunger valve - HCBBS Forum
24. 【Ten Years of Great Development in Chemical Equipment】1574–2024: Overcoming the Torque Challenge! Full-scenario three-eccentric butterfly valve series - HCBBS Forum
25. Changing careers to chemical engineering – piping design - HCBBS Forum
26. Piping seismic loads, wind loads - HCBBS Forum
27. Conveyor nitrogen pressure - HCBBS Forum
28. How to connect ANSI pipes with industry-standard high-pressure pipes - HCBBS Forum
29. Pipeline leak detection - HCBBS Forum
30. How to read piping diagrams in chemical plants and relevant construction documents - HCBBS Forum
31. Two different valve handles - HCBBS Forum
32. Why are O-rings used for sealing the valve stems of 6D piping valves? - HCBBS Forum
33. Selection of outer diameter size for long-distance pipeline pigging devices - HCBBS Forum
34. Pipeline welding issues - HCBBS Forum
35. Seeking help with flange procurement in Wuxi and Changzhou areas - HCBBS Forum
36. Pipeline support description - HCBBS Forum
37. How to determine the bolt torque for flanges - HCBBS Forum
38. The steam pipeline is too long, resulting in a heat loss of 4 tons per day. Is this normal? I hope experts can help calculate it - HCBBS Forum
39. Abnormal noise from the check valve at the outlet of the Roots blower - HCBBS Forum
40. Is there an LR version of the reducer tee? - HCBBS Forum
41. Pipeline grade pressure rating - HCBBS Forum
42. Safety valve spring failure - HCBBS Forum
43. Under what circumstances are flanges required in pipeline fabrication? - HCBBS Forum
44. Regular inspection cycle for pressure pipelines (industrial/public/long-distance) - HCBBS Forum
45. Have you used aluminum pipes? - HCBBS Forum
46. How to draw a pipe gallery cross-section? - HCBBS Forum
47. Diagram of butt-welded valves installed on pipelines - HCBBS Forum
48. Regarding valve packing, graphite, tetrafluoroethylene - HCBBS Forum
49. How are Parker valves in the United States? - HCBBS Forum
50. How to connect a 6-inch US standard pipe to a 5-inch metric pipe? - HCBBS Forum
51. 【Ten Years of Rapid Development in Chemical Engineering Equipment】The new generation of intrapipe detectors developed independently by the 22nd Research Institute of CETC from 2025 to 2050 have passed all relevant tests - HCBBS Forum
52. Problems during valve pressure testing - HCBBS Forum
53. 【Ten Years of Rapid Development in Chemical Equipment】2720-2025: Breaking Foreign Monopolies! Beichong Group takes the lead in the localization of ultra-long and ultra-high-pressure steel pipes - HCBBS Forum
54. Application Cases | Use of Spectrometers in the Valve Industry - HCBBS Forum
55. Analysis of the reasons why the dedicated stop valve cannot be operated - HCBBS Forum
56. Can sanitary-grade stainless steel pipes be welded, and how should the welds be polished? - HCBBS Forum
57. The difference between thermal resistors and thermocouples - HCBBS Forum
58. Align the elevation of the PDMS tube bottom - HCBBS Forum
59. J-T valve consultation - HCBBS Forum
60. Pipe inspection - HCBBS Forum
61. Animation of the working principle of compact expansion gate valves - HCBBS Forum
62. Operation of propylene transmission pipeline in Sinochem Lianyungang Circular Economy Industrial Park commenced - HCBBS Forum
63. How to design steam buried pipelines - HCBBS Forum
64. What are the body lengths of the long series and short series of DN40 copper ball valves respectively? - HCBBS Forum
65. Information on jet pumps - HCBBS Forum
66. Why is babbitt alloy generally chosen for the sealing surfaces of ammonia valves? - HCBBS Forum
67. Sealing issues with fabric flexible connections in ductwork - HCBBS Forum
68. What is the domestic equivalent material for ASTM A182-2000 F11? - HCBBS Forum
69. The issue between the nominal pressure of the pipe and the maximum allowable pressure of the fittings (common problem) - HCBBS Forum
70. Classification of waste water pipelines - HCBBS Forum
71. Is the jacketed pipe considered as a pressure pipeline as a whole? - HCBBS Forum
72. Should L245 or Q235B be given priority for welded pipes? - HCBBS Forum
73. Dynamic video of the working principle of low-temperature stop valves - HCBBS Forum
74. What water content constitutes wet hydrogen sulfide? - HCBBS Forum
75. How is the rated CV value of a valve calculated? - HCBBS Forum
76. For a 325 pipe with an elevation difference of 80 mm, elbows are used for connection; I need help in calculating the angle at which the elbows should be cut - HCBBS Forum
77. How to determine pressure pipelines - HCBBS Forum
78. The reflux ratio controller is broken and remains in full extraction mode - HCBBS Forum
79. A brief discussion on the intelligent defects of electronically controlled valves - HCBBS Forum
80. How to select the inlet diameter of a circulation pump? - HCBBS Forum
81. Representation of reducers in PID - HCBBS Forum
82. Question about flange model - HCBBS Forum
83. How to determine the diameter of long-distance gas pipelines - HCBBS Forum
84. Flange type of the valve - HCBBS Forum
85. ASCO solenoid valve - HCBBS Forum
86. Explanation of explosion protection rating - HCBBS Forum
87. What’s the issue with welded flanges? - HCBBS Forum
88. Pipe rack sliding support - HCBBS Forum
89. Why are valve flanges smaller than standard flanges - HCBBS Forum
90. Calculation of pipe dimensions - HCBBS Forum
91. Basic knowledge of seals - HCBBS Forum
92. Welding issues with PTFE-lined pipes - HCBBS Forum
93. Questions regarding pipe wall thickness and valve wall thickness - HCBBS Forum
94. What do the symbols on this piping layout diagram mean? - HCBBS Forum
95. Can the liquid in the pump outlet pipe flow back to the inlet pipe? - HCBBS Forum
96. Verification of the safety valve after parking - HCBBS Forum
97. Regarding the installation of sampling valves for scale-prone pipelines - HCBBS Forum
98. What are the valve manufacturing standards? - HCBBS Forum
99. What exactly does it mean to meet the requirements for springs regarding an inspection every 3 years for safety valves? - HCBBS Forum
100. Definition of Valve Trim - HCBBS Forum