English — Forum #92 (Page 47/87)

1. Can non-destructive testing of pressure pipelines be carried out while the pipeline is still in place? - HCBBS Forum
2. 【Process Engineering Division – Pipeline and Valve Technology Exchange Section – Daily Question – Questions 02-08】 - HCBBS Forum
3. What standards are followed for the layout and construction of hydrogen pipelines? - HCBBS Forum
4. Gas-specific ball valve - HCBBS Forum
5. Problems with the flame arrester in flame-retardant breathing valves - HCBBS Forum
6. Elliptical head - HCBBS Forum
7. Connection of inlet and outlet pipes of magnetic pump - HCBBS Forum
8. What type of valve is this? - HCBBS Forum
9. [Process Engineering Division – Pipeline and Valve Technology Exchange Forum – Daily Question – Questions 04–12] - HCBBS Forum
10. How is the torque required to open and close a ball valve calculated? - HCBBS Forum
11. Questions about manual gate valve sealing test and internal leakage - HCBBS Forum
12. GB/T 17395 and GB/T 21835 - HCBBS Forum
13. What is the difference between NW flanges and KF flanges? - HCBBS Forum
14. Common troubleshooting methods for pressure sensors - HCBBS Forum
15. Urgently need the manufacturer - HCBBS Forum
16. pipe support problem - HCBBS Forum
17. Is it appropriate to use a differential pressure gauge or two separate pressure gauges for differential pressure measurement? - HCBBS Forum
18. For pipelines that transport concentrated sulfuric acid from the tank area into the workshop, what piping arrangement is safer? - HCBBS Forum
19. Which is a better location for installing the air storage tank and the filter pressure regulator? - HCBBS Forum
20. Flow rate behind the self-acting nitrogen control valve - HCBBS Forum
21. [Process Engineering Division – Pipeline and Valve Technology Exchange Forum – Daily Question – Questions 03–22] - HCBBS Forum
22. Pipeline stress analysis problem - HCBBS Forum
23. When a burst disc and a safety valve are used in series, what is the function of the vent valve in between? Where should I go - HCBBS Forum
24. 【Process Engineering Division – Pipeline and Valve Technology Exchange Forum – Daily Question – Questions 04–19】 - HCBBS Forum
25. Help: I would like to ask what this is? - HCBBS Forum
26. Is the pressure at the inlet of the air compressor positive or negative? - HCBBS Forum
27. Seeking advice on brands of control valves - HCBBS Forum
28. Is it necessary to apply anti-scalding paint on the outside of steam pipes? - HCBBS Forum
29. 【Process Engineering Division – Pipeline and Valve Technology Exchange Forum – Daily Question – Questions 04-10】 - HCBBS Forum
30. What is the nominal diameter of a 10” flange? - HCBBS Forum
31. Since hydrogen contains water, is there a gas system trap installed on the drain line to automatically remove water? - HCBBS Forum
32. 【Process Engineering Division – Pipeline and Valve Technology Exchange Forum – Daily Question – Questions 04-30】 - HCBBS Forum
33. Appraisal of valve erosion repair - HCBBS Forum
34. Help needed - HCBBS Forum
35. Who will issue a valve fire resistance test report - HCBBS Forum
36. Ball valve supply - HCBBS Forum
37. Flat Metal Jacket Fibe - HCBBS Forum
38. Issues in the valve description - HCBBS Forum
39. Issues with the equipment flanges? - HCBBS Forum
40. How to choose a pressure relief valve? ? - HCBBS Forum
41. 【Process Engineering Division – Pipeline and Valve Technology Exchange Forum – Daily Question – Questions 02–14】 - HCBBS Forum
42. What type of bolts are used for flange connections in liquid ammonia pipelines? - HCBBS Forum
43. Seeking schematic diagrams of various parts of ethylene oxide tank trucks - HCBBS Forum
44. What’s this called? - HCBBS Forum
45. [Process Engineering Division – Pipeline and Valve Technology Exchange Forum – Daily Question – Questions 04-07] - HCBBS Forum
46. Materials for valves used in gasoline, diesel, and aviation kerosene - HCBBS Forum
47. Seeking advice on pipe support issues - HCBBS Forum
48. I hope experts can identify the brand of this ball valve, as shown in the picture! ! ! - HCBBS Forum
49. ZR stands for raised face flange; what does SR represent? - HCBBS Forum
50. Flow rate issues in fluorine gas pipelines - HCBBS Forum
51. For valves of different brands, are the dimensions the same for valves of the same model? - HCBBS Forum
52. I would like to inquire about the price of removable equipment and valve insulation boxes – how many times is it more expensive than regular insulation? ? - HCBBS Forum
53. Basic rules for horizontal piping arrangement - HCBBS Forum
54. How to layer pipes on a piping layout diagram - HCBBS Forum
55. May I ask whether the tees specified in GB12459 are hot-pressed or forged? - HCBBS Forum
56. Where are ring gaskets and circular gaskets, which follow the same standards as octagonal gaskets and elliptical gaskets, used? - HCBBS Forum
57. 【Process Engineering Division – Pipeline and Valve Technology Exchange Forum – Daily Question – Questions 03–19】 - HCBBS Forum
58. What welding electrode is used for A333 low-temperature steel pipes? - HCBBS Forum
59. There is a leakage in the packing of the shut-off valve on the cold box; can it be blown out with steam? - HCBBS Forum
60. Discussion on the standards for Ti. - HCBBS Forum
61. Pressurized tapping tee - HCBBS Forum
62. Did you see that many drain valves in a process use butterfly valves? I’m a bit surprised – can butterfly valves really achieve such good sealing? - HCBBS Forum
63. How to clean the liquid medium inside pipes? - HCBBS Forum
64. Corrosion protection and lining of DN32 pipes - HCBBS Forum
65. Seeking advice on pipe material selection - HCBBS Forum
66. A clean-out valve is installed at the pump outlet - HCBBS Forum
67. For rough adjustment of flow rate at an indefinite amount, which valve is the best choice? - HCBBS Forum
68. Electric heat tracing is used on the insulated pipes - HCBBS Forum
69. Material selection for 8-character blind plates - HCBBS Forum
70. With the vacuum material extraction method, is it possible to remove a specific section with relatively high precision? - HCBBS Forum
71. Please, experts, help me out - HCBBS Forum
72. Wound gaskets must meet NACE MR 0175/ISO 15156. - HCBBS Forum
73. Those pipes need to be pressure-tested - HCBBS Forum
74. Specifications regarding GB category - HCBBS Forum
75. What kind of hose can be used for steam pipes? - HCBBS Forum
76. Which standard should be referred to for selecting the bolts and nuts of jacket flanges? - HCBBS Forum
77. Seek help from experienced technicians in the chemical industry who have in-depth knowledge of manufacturers of pipes and valves. - HCBBS Forum
78. Can the drain pipe for high-temperature and high-pressure steam pipelines be bent cold? - HCBBS Forum
79. Issue with manually switching cut-off valve to automatic mode - HCBBS Forum
80. Valve model - HCBBS Forum
81. Are the three-way connectors purchased reliable compared to those made by drilling holes? - HCBBS Forum
82. Valve - HCBBS Forum
83. Question: Measured torque for closing a ball valve from the open position - HCBBS Forum
84. Pipeline material issues - HCBBS Forum
85. May I ask what is the standard number for valves in the Petrochemical Standards (SH/T) series? - HCBBS Forum
86. Seeking guidance on gasket specifications and usage - HCBBS Forum
87. Seeking standards for pipeline materials - HCBBS Forum
88. Regarding the temperature range issue in the calculation of pipeline flexibility - HCBBS Forum
89. Questions regarding thermodynamic disc-type steam traps - HCBBS Forum
90. Fitting wall thickness - HCBBS Forum
91. Can pipe supports pass through stairwells? - HCBBS Forum
92. Performance Metrics in Basic Instrument Knowledge - HCBBS Forum
93. The meaning of each pipeline – not relevant to this field of expertise - HCBBS Forum
94. Fully threaded studs / Heavy-duty hex head nuts, HG/T 20634 performance grade combination - HCBBS Forum
95. Leak detection methods for U-tube heat exchangers - HCBBS Forum
96. Differences between PPR pipes, PE pipes, and PVC pipes - HCBBS Forum
97. Excessive steam volume when the steam trap drains water - HCBBS Forum
98. Valve temperature - HCBBS Forum
99. 【Process Engineering Division – Pipeline and Valve Technology Exchange Forum – Daily Question – Questions 02–11】 - HCBBS Forum
100. Can soft seals be used on vacuum valves under conditions of an absolute pressure of 0.1 Pa, high vacuum, and a temperature of 280°C? - HCBBS Forum