English — Forum #92 (Page 57/87)

1. Leak in the valve packing at the base of the tank - HCBBS Forum
2. PVC pipe threads - HCBBS Forum
3. Should a manual high-pressure gate valve be installed in front of an electric high-pressure gate valve? - HCBBS Forum
4. How to switch a three-way valve - HCBBS Forum
5. safety valve - HCBBS Forum
6. Issues regarding the transportation of pipes and the height at which they are stacked - HCBBS Forum
7. I would like to ask the teachers what material and grade should be used for butt-weld flanges, given that the pipe material is CS carbon steel and the medium is water. - HCBBS Forum
8. In pipeline design, does the thickness corresponding to the pipe designation include the corrosion allowance for the pipeline? - HCBBS Forum
9. The valve model code indicates the category - HCBBS Forum
10. Enameled reactor bottom valve - HCBBS Forum
11. Pipes and fittings - HCBBS Forum
12. Pressure pipeline training - HCBBS Forum
13. Applications of compressed air in industry - HCBBS Forum
14. The bolt holes are too small - HCBBS Forum
15. Simple calculation of compressed air pipeline length and pressure loss - HCBBS Forum
16. Clash of pipe rack foundations - HCBBS Forum
17. For a solution at 100°C with PH=10, carbon steel is used – is post-weld heat treatment required? - HCBBS Forum
18. For valves operating at 260°C, such as soft-seal shut-off valves (taking ball valves as an example), what are the suitable materials for the valve seat and the packing? - HCBBS Forum
19. Pipeline welding issues - HCBBS Forum
20. Oxygen valve - HCBBS Forum
21. What are the thread specifications for the shut-off valve with DN15 size of J11H-16RL? - HCBBS Forum
22. Is it okay to use a sleeve on the flange of the hydrochloric acid pipeline? - HCBBS Forum
23. Verification of the safety valve after parking - HCBBS Forum
24. Welding issues with PTFE-lined pipes - HCBBS Forum
25. Setting of the pressure relief valve - HCBBS Forum
26. Outer diameter of small-diameter pipes and fittings, as well as flange standards - HCBBS Forum
27. Why are valve flanges smaller than standard flanges - HCBBS Forum
28. Is a flame arrester required when connecting a burner above the auto-ignition temperature of highly flammable gases?_ - HCBBS Forum
29. How to draw a pipeline single-line diagram? - HCBBS Forum
30. What are good methods for lofting when a square meets a circle, or a rectangle meets a circle? - HCBBS Forum
31. Pipe diameter - HCBBS Forum
32. Selection of steam pressure pipelines - HCBBS Forum
33. Emergency pressure relief manhole - HCBBS Forum
34. Regarding the pipeline layout diagram, I hope experts can give some advice - HCBBS Forum
35. Seek guidance from experts! - HCBBS Forum
36. Why do sh3405 and hg20553 have different wall thicknesses within the same wall thickness series? - HCBBS Forum
37. Working principle and applications of steam traps - HCBBS Forum
38. Classification of waste water pipelines - HCBBS Forum
39. Du Qiu has arrived - HCBBS Forum
40. What is the current prevalence of 3D piping use domestically and internationally? - HCBBS Forum
41. Problems with the valve structure for ammonia - HCBBS Forum
42. For a DN20 pipe, what type of valve is suitable for regulating flow, one that offers high precision? - HCBBS Forum
43. Leakage rate of flue gas butterfly valves - HCBBS Forum
44. Formula for calculating the CV value and maximum flow rate of control valves - HCBBS Forum
45. I’m looking for some reputable valve manufacturers in Guangdong Province; please recommend them. - HCBBS Forum
46. EJMA standard - HCBBS Forum
47. [Real-Case Discussion] Issues in Weld Inspection of Pressure Piping - HCBBS Forum
48. Questions regarding the brittle transition temperature - HCBBS Forum
49. Is this plug welding acceptable? - HCBBS Forum
50. What is the domestic equivalent material for ASTM A182-2000 F11? - HCBBS Forum
51. Is this stainless steel gate valve severely shoddy in construction? - HCBBS Forum
52. 16Mn seamless steel pipe - HCBBS Forum
53. Why are double valve cores used in stop valves - HCBBS Forum
54. ASCO solenoid valve - HCBBS Forum
55. pipe - HCBBS Forum
56. A rare and special large valve - HCBBS Forum
57. I would like to ask experts: which manufacturer makes this valve? Urgent - HCBBS Forum
58. Sealing issues with fabric flexible connections in ductwork - HCBBS Forum
59. When to use forgings for pipe fittings and when to use seamless ones? - HCBBS Forum
60. Information on jet pumps - HCBBS Forum
61. The total flow is evenly distributed among the branches - HCBBS Forum
62. Does anyone have the Chinese version of ISO 15848-1 2015? Please share it, thank you. - HCBBS Forum
63. What is the difference between ANSI octagonal gaskets PN10.0 and PN11.0? - HCBBS Forum
64. Does anyone know what the range is for the E+h mass flow meter 80? - HCBBS Forum
65. Looking for MersoniLand or other selection and calculation software for control valves. - HCBBS Forum
66. Standard orifice plate pressure tapping method - HCBBS Forum
67. Increase the outlet of the screw pump - HCBBS Forum
68. Pipeline loads Calculation table for pipeline loads - HCBBS Forum
69. What do the flange specifications in the image mean? - HCBBS Forum
70. What type of aluminum sheet is used for pipeline insulation? - HCBBS Forum
71. Seeking advice on temperature changes after air pressure reduction - HCBBS Forum
72. Pressure pipeline training - HCBBS Forum
73. I’d like to ask for advice - HCBBS Forum
74. Rust and material - HCBBS Forum
75. Selection of material for hydrogen pipelines - HCBBS Forum
76. May I ask, must the steel used for pressure vessels be carbon steel? - HCBBS Forum
77. How to select pipeline rolling supports? - HCBBS Forum
78. How to select the inlet diameter of a circulation pump? - HCBBS Forum
79. Pipeline support welding - HCBBS Forum
80. Can butterfly valves be used in aviation kerosene media? - HCBBS Forum
81. Selection of jacketed tee fittings - HCBBS Forum
82. Which expert can help me take a look? - HCBBS Forum
83. Fire protection certification for soft-sealed ball valves - HCBBS Forum
84. Does the ball top valve mentioned by the user refer to the same type as pneumatic dome valves and disc valves? I can’t tell anymore. - HCBBS Forum
85. Gas transmission pipeline - HCBBS Forum
86. Pneumatic valve failure - HCBBS Forum
87. Pneumatic diaphragm valve inlet and outlet valve settings - HCBBS Forum
88. What is the purpose of this interface on the pipe? - HCBBS Forum
89. Anti-typhoon measures should be taken into consideration when insulating equipment and pipelines (coastal areas) - HCBBS Forum
90. What is the standard for ELBOLET elbow branch pedestals? - HCBBS Forum
91. Water hammer solutions - HCBBS Forum
92. Seeking help from experts on steam traps - HCBBS Forum
93. Issues with boiler flue corrosion compensators - HCBBS Forum
94. Metal flexible hose - HCBBS Forum
95. Steam flow rate issue - HCBBS Forum
96. The method of denoting seamless steel tubes for industrial use – I saw this notation used today; does anyone know what it means? - HCBBS Forum
97. Regarding the regulations, metal wound gaskets should be used with butt-welded flanges and flanges of PN20 or higher - HCBBS Forum
98. When are washers needed when using flange bolt fasteners? - HCBBS Forum
99. What kind of valve is this? I’ve never seen it before - HCBBS Forum
100. Do you know how much energy your air compressor wastes? - HCBBS Forum