English — Forum #92 (Page 38/87)

1. What does H.P.P stand for? - HCBBS Forum
2. A small issue with the valve - HCBBS Forum
3. Is the liquid sodium pipeline GC1? - HCBBS Forum
4. Pipeline anti-corrosion issues - HCBBS Forum
5. Let’s talk about RTO exhaust treatment valves, high-temperature valves - HCBBS Forum
6. Which is the official Chinese distributor for TOMOE (Japan)? - HCBBS Forum
7. Set pressure of the safety valve - HCBBS Forum
8. Steel Pipe Calculator APP - HCBBS Forum
9. Valve selection issue - HCBBS Forum
10. Isolation valve on the branch pipe - HCBBS Forum
11. Selection of sealing materials for oxygen valves - HCBBS Forum
12. Hydrogenation reactor pipeline installation drawings - HCBBS Forum
13. After ammonia-based flue gas desulfurization is adopted, the pipeline valves from the ammonium sulfate cyclone to the centrifuge suffer severe PO corrosion due to the carbon steel lining - HCBBS Forum
14. What material of pipe should be used for superheated steam at atmospheric pressure and 340°C? - HCBBS Forum
15. Pressure range on the safety valve nameplate - HCBBS Forum
16. Luoyang Institute pipeline grade code - HCBBS Forum
17. RTO burner issues - HCBBS Forum
18. Question regarding valve material - HCBBS Forum
19. Impact of valve leakage and solutions - HCBBS Forum
20. The valve is being stubborn, you know? - HCBBS Forum
21. Shanghai Hugong Valve Factory (Group) Co., Ltd. and Shanghai Hugong Valve Manufacturing Co., Ltd. - HCBBS Forum
22. How to turn a single-threaded short fitting on small-diameter pipes - HCBBS Forum
23. One-way valve issue - HCBBS Forum
24. What do the valve types LB, OS&Y, and FP for gate valves mean respectively? - HCBBS Forum
25. Can the branch pipe fitting be welded directly to the flange? - HCBBS Forum
26. Semi-dry sludge pipeline - HCBBS Forum
27. Problems with the A48Y-100I spring-loaded safety valve - HCBBS Forum
28. Y-type filter - HCBBS Forum
29. How is pressure-containing plugging of flanges carried out? Is multiple personnel required? - HCBBS Forum
30. How to take over 5 vacuum pumps and 3 gas storage tanks? - HCBBS Forum
31. Support installation for the pump’s outlet pipeline - HCBBS Forum
32. How to consider scaling up the gas-liquid separation tank based on calculated values - HCBBS Forum
33. Visual quality grade for on-site welding of metal pipes (with diagrams) - HCBBS Forum
34. Use and instructions for VCR connectors - HCBBS Forum
35. Should a diaphragm type pressure gauge be used for the pressure gauge behind the caustic soda pump? - HCBBS Forum
36. Sulfuric acid control valve - HCBBS Forum
37. Piping - HCBBS Forum
38. Discussion on the supervision and inspection of submerged arc welded pipes - HCBBS Forum
39. Process piping plan - HCBBS Forum
40. Pressure Pipeline Design and Engineering Examples (2nd Edition) - HCBBS Forum
41. Installation of insulation/heat retention pipe supports - HCBBS Forum
42. How to select the pressure rating of flanges and valves based on the design pressure of the pipeline - HCBBS Forum
43. How to fix the cutting of DN400 at a high position - HCBBS Forum
44. Differences in the tuning of hot-zero suspension springs and cold-zero suspension springs - HCBBS Forum
45. Skid-mounted equipment - HCBBS Forum
46. Regarding pressure pipelines - HCBBS Forum
47. I would like to ask for recommendations on domestic and international brands of breakaway valves and dry connectors - HCBBS Forum
48. Why can’t the GC1 pipeline installation qualification cover GB level? - HCBBS Forum
49. Which standard should be used to find the hardness values for materials used in American standard pipe fittings? - HCBBS Forum
50. The control valve has an open position but no flow; what happens when the open degree is adjusted and flow is restored? - HCBBS Forum
51. Please tell me, what kind of valve is this? - HCBBS Forum
52. Standards for copper flat gaskets - HCBBS Forum
53. After watching The Fire Hero, I noticed a scene in which there was a manual valve that needed to be turned 8,000 times. What type of valve is this? - HCBBS Forum
54. Steam traps and steam trap stations - HCBBS Forum
55. How to choose a check valve based on pipe diameter - HCBBS Forum
56. Regarding the basket filter at the pump inlet - HCBBS Forum
57. Are there still certificates exempting valve products from quality inspection? - HCBBS Forum
58. Performance comparison of butterfly valves and gate valves - HCBBS Forum
59. Welding methods for opening holes under pressure and precautions - HCBBS Forum
60. National Training Manual for Pressure Pipeline Design Approvers, Third Edition - HCBBS Forum
61. Sealing weld of bellows globe valve with valve cover - HCBBS Forum
62. I’m a beginner; may I ask about adjusting the valve opening? - HCBBS Forum
63. Teachers, how do we put these self-acting control valves into use? These are used to control the pressure in front of the control valve - HCBBS Forum
64. Regulations on the number of times pipe welds can be repaired - HCBBS Forum
65. Must liquid nitrogen pipelines be vacuum tubes? Are there any regulations? - HCBBS Forum
66. 45-degree elbow - HCBBS Forum
67. A question from a netizen on HaiChuan regarding the differences between imperial and metric piping systems - HCBBS Forum
68. Gasket in ZH300-2009 - HCBBS Forum
69. Pressure Pipeline Design and Engineering Examples (2nd Edition), edited by Song Keko - HCBBS Forum
70. When should a separate valve seat be used for valves, and when should an integral valve seat be used? - HCBBS Forum
71. How is pressure testing conducted on high-pressure welding valves? - HCBBS Forum
72. What exactly does this bolt mean? - HCBBS Forum
73. For a pressure range of -100~0 KPa, does it correspond to 4~20 mA or 20~4 mA? - HCBBS Forum
74. Schematic diagram of adiabatic construction - HCBBS Forum
75. Regarding the scope of application for socket welding - HCBBS Forum
76. What does this mean? - HCBBS Forum
77. How to increase the valve pressure difference ΔP (at full close) parameter of the control valve - HCBBS Forum
78. Problems with the bracket design at the elbow - HCBBS Forum
79. What are the types of pneumatic cut-off valves? - HCBBS Forum
80. What exactly does it mean to meet the requirements for springs regarding an inspection every 3 years for safety valves? - HCBBS Forum
81. Filter magnets are attached to the cage net - HCBBS Forum
82. Under low pressure, frequent knocking sounds occur inside the valve body of parallel gate valves - HCBBS Forum
83. Do flange connection bolts require spring washers? - HCBBS Forum
84. Pipeline drain length issue - HCBBS Forum
85. About filters - HCBBS Forum
86. Questions regarding the \"Special Equipment Manufacturing License\" - HCBBS Forum
87. Regarding the classification of industrial pipelines in TSG07-2019 - HCBBS Forum
88. What mesh size is suitable for the filter before the steam pressure relief valve? ? - HCBBS Forum
89. Difference between bolts A320 L7 and A320 B8 - HCBBS Forum
90. Regarding pipeline purging - HCBBS Forum
91. Piping single-line diagram - HCBBS Forum
92. Dear gentlemen, 1/2"SW* What does φ16 card holder mean? - HCBBS Forum
93. How to determine the sealing surface dimensions of a wafer butterfly valve - HCBBS Forum
94. Regarding the question about the two-way sealing structure, Xiaobai seeks clarification. - HCBBS Forum
95. Regarding soft seals or hard seals for ultra-low temperature valves - HCBBS Forum
96. Could someone give a brief overview of the several standards for German standard pipe fittings? - HCBBS Forum
97. Help: Is this a sleeve valve or a cage valve? - HCBBS Forum
98. What is the difference between materials 710F and 847T in Japanese TOMOE? - HCBBS Forum
99. The issue of nitrogen temperature rising in pipelines - HCBBS Forum
100. Questions regarding the installation direction of circulating water butterfly valves. - HCBBS Forum