English — Forum #92 (Page 20/87)

1. Code for Installation of Pressure Piping - HCBBS Forum
2. Professional manufacturer of quick-acting blind flanges - HCBBS Forum
3. Animation of the working principle of compact expansion gate valves - HCBBS Forum
4. Do pressure vessels necessarily require safety valves? - HCBBS Forum
5. Guys, how can a butterfly valve be controlled to open and close using a bracelet? - HCBBS Forum
6. Please ask an expert to help answer - HCBBS Forum
7. Recalling the process of finalizing the pressure for the airtightness test of the gas system in an overseas project - HCBBS Forum
8. What is the technical term for a tube used below 100 degrees Celsius with an insulating sleeve? - HCBBS Forum
9. Ways and methods to reduce steam waste - HCBBS Forum
10. , - HCBBS Forum
11. Minimum operating temperature for 8163 pipeline - HCBBS Forum
12. Gauge elbow - HCBBS Forum
13. Rectifier for natural gas pipeline metering - HCBBS Forum
14. Metal hose TS certificate - HCBBS Forum
15. Problem with gaskets; please ask an expert to help solve it - HCBBS Forum
16. Please have the budget expert take a look - HCBBS Forum
17. Issue with the outer diameter of the welded end of DN700 large-diameter reinforced butt weld flanges, Series B - HCBBS Forum
18. Check valve – Explanation of valve knowledge - HCBBS Forum
19. Requirements for fire resistance testing of valves - HCBBS Forum
20. Description of DBB and DIB - HCBBS Forum
21. Why are solenoid valves commonly used instead of electric valves in refrigeration systems? - HCBBS Forum
22. Pressure drop caused by changes in pipe diameter - HCBBS Forum
23. 1. How is the flow rate of a control valve typically calculated?； 2. Must fine chemical flanges use PN16 at the very least? - HCBBS Forum
24. What causes fiberglass pipes to burn? - HCBBS Forum
25. Seeking experts with experience in designing valves such as control valves - HCBBS Forum
26. Selection of liquid chlorine or chlorine gas valves - HCBBS Forum
27. Cross-sectional view of three-eccentric butterfly valve - HCBBS Forum
28. Regarding changes to pressure pipelines - HCBBS Forum
29. The influence of medium viscosity on valve selection - HCBBS Forum
30. Is the inverted bucket type steam trap connected directly? ? - HCBBS Forum
31. Does a Coriolis mass flow meter require specific lengths for the straight sections before and after it? - HCBBS Forum
32. Why can’t the outlet pressure of a pressure relief valve be adjusted to the minimum setting range? - HCBBS Forum
33. Welding of branch pipe bases - HCBBS Forum
34. Post-weld heat treatment for pipes - HCBBS Forum
35. How to remove the residual liquid nitrogen in the pipes after loading and unloading a liquid nitrogen tank truck. - HCBBS Forum
36. Reasons for the direct connection of the drain valve, how to repair it - HCBBS Forum
37. Manufacturer of G46W-250R DN15 and DN8 diaphragm valves: Welded connection or flange connection? - HCBBS Forum
38. What is PTFE/35%KOHLE? - HCBBS Forum
39. Requirements for the layout of steam traps - HCBBS Forum
40. Valve dehydrogenation treatment - HCBBS Forum
41. Solving the problem of freeze-up in winter vent valves - HCBBS Forum
42. Selection of ammonia pipeline materials and valve selection - HCBBS Forum
43. Find valve manufacturers - HCBBS Forum
44. Newcomers want to systematically learn *pipeline and valve design, installation, as well as drawing - HCBBS Forum
45. Is it appropriate to weld the valve flange surface in this way? - HCBBS Forum
46. Pipeline installation method between the storage tank outlet and the pump - HCBBS Forum
47. Request valve size table - HCBBS Forum
48. Why does the support at the very top bear the greatest stress in vertically installed pipes? - HCBBS Forum
49. On the design of spring hangers - HCBBS Forum
50. May I ask if wafer-type check valves can be used on crude oil process pipelines? - HCBBS Forum
51. Seeking information on \"Pressure Pipeline Technology\" - HCBBS Forum
52. Is difluoromethane a liquefied hydrocarbon? - HCBBS Forum
53. Differences between HG20534.7 and GB12771 - HCBBS Forum
54. I used to think that only one gasket could be added to the flange; today I finally found the relevant specifications - HCBBS Forum
55. Management of non-pressure pipelines after commissioning - HCBBS Forum
56. Solenoid valve manifold sealing - HCBBS Forum
57. Sinopec’s standard procedure for assembling supports and hangers: it’s a 2D approach, so there’s no need to go through the hassle of modeling anymore - HCBBS Forum
58. What kind of valve is this? - HCBBS Forum
59. Problems in processing pipe threads per GB7306.1 - HCBBS Forum
60. What pressure in kilograms can a stainless steel 304 pipe with specifications of 10*1 withstand? - HCBBS Forum
61. How to choose a valve - HCBBS Forum
62. Could anyone share a software for selecting self-acting control valves? I need to learn how to use it; thanks! - HCBBS Forum
63. A new central state-owned enterprise worth hundreds of billions has emerged – China Electrical Equipment Group Corporation - HCBBS Forum
64. Corresponding table of RTJ (steel ring) and flanges of different pressure grades - HCBBS Forum
65. Fluorinated pipe fittings developed in collaboration with Sinopec for high temperature and high pressure conditions - HCBBS Forum
66. Regarding threaded connection pipes - HCBBS Forum
67. Four-way valve – Explanation of valve knowledge - HCBBS Forum
68. Some issues regarding the latest version of the standard pipe rack drawings HGT21629-2021 - HCBBS Forum
69. Calculation of the circulating water concentration ratio - HCBBS Forum
70. Which industrial furnaces use valves? - HCBBS Forum
71. Question regarding the pipe fitting warranty certificate - HCBBS Forum
72. Leakage at the tee joint of polyethylene pipe with steel mesh skeleton - HCBBS Forum
73. Questions regarding commodity-grade and specialty-grade stainless steel fasteners - HCBBS Forum
74. Method for indicating lined valves - HCBBS Forum
75. Comparison of cutting precision for machined parts from drawings? - HCBBS Forum
76. Can the insulating sleeve of a ball valve be reused? - HCBBS Forum
77. Regarding the cold adjustment of variable springs - HCBBS Forum
78. How often should a steam trap be replaced? - HCBBS Forum
79. What are the differences between H and H1, C1 and C, P and P2? Which one is better? - HCBBS Forum
80. What does this elbow code mean? ELR9 S30408 820x8 GB/T12459-2017 II 800 ELBO-51 - HCBBS Forum
81. Is the jacketed pipe considered as a pressure pipeline as a whole? - HCBBS Forum
82. Explain the working principle of the Robo-Drain hydrophobic valve - HCBBS Forum
83. Steam pipeline drain - HCBBS Forum
84. Chemical industry filter bags - HCBBS Forum
85. Look for solenoid valves or electric valves that can operate in both negative and positive pressure conditions - HCBBS Forum
86. KOSO Compatible Fisher 3800 Series Positioner Calibration Method - HCBBS Forum
87. Discussion on issues related to welding procedure qualification - HCBBS Forum
88. Animation demonstration: How do gate valves, ball valves, butterfly valves, and check valves work? - HCBBS Forum
89. Help: What is this type of valve? - HCBBS Forum
90. Selection of safety valve material and model - HCBBS Forum
91. Issues with 3.5D elbows in refrigeration pipes - HCBBS Forum
92. Are the actuators for the pneumatic control valves DN20 and DN25 of the same model? - HCBBS Forum
93. What tasks need to be done before installing a flat gate valve? - HCBBS Forum
94. Help, please – experienced colleagues in the chemical industry, could you take a look and see if there are any issues with the installation of this steam trap? - HCBBS Forum
95. Can’t turn the DN250 manual butterfly valve? - HCBBS Forum
96. Regarding the groove shape for pipe butt joints - HCBBS Forum
97. For 20,000 Nm3/h of acetylene gas at a delivery pressure of 0.3 MPaG, what should the pipe diameter be? - HCBBS Forum
98. Reasons for external leakage in ball valves using ethylene oxide as the medium - HCBBS Forum
99. DLT 1113-2009 Code for Acceptance of Pipe Supports and Hangers in Thermal Power Plants - HCBBS Forum
100. Do domestic pipeline pressure grades start with H or L? - HCBBS Forum