English — Forum #92 (Page 81/87)

1. Can the setting pressure of the safety valve be reduced? - HCBBS Forum
2. What are the differences in specific applications among disc-type, float-type, and bucket-type steam traps? - HCBBS Forum
3. Can normalized container plates of Q245R be used? - HCBBS Forum
4. Where can I check the latest version of the US standard? - HCBBS Forum
5. Discussion on the sealing surface of 13Cr welding material used for valve surfacing! ! ! - HCBBS Forum
6. Pipe diameter change - HCBBS Forum
7. Selection of material for cooling water pipelines - HCBBS Forum
8. What valve is suitable for preventing silica powder from sticking together? - HCBBS Forum
9. What is the material of valve A105? ? - HCBBS Forum
10. Nitrogen sealing valve - HCBBS Forum
11. Jacket tube issue - HCBBS Forum
12. Can a pipe equipped with a flow control valve allow flow in both forward and reverse directions? - HCBBS Forum
13. Safety valve back pressure - HCBBS Forum
14. I was wondering if anyone has any ways to check whether the ball valve on the pipeline is fully open? - HCBBS Forum
15. What should be the diameter of the main pipe when 3 DN125 vacuum tubes are connected in parallel? Urgent! - HCBBS Forum
16. High-temperature valve stuck - HCBBS Forum
17. Does the process vent pipe fall under the category of pressure pipelines? - HCBBS Forum
18. Discussion on the definition of pressure pipelines - HCBBS Forum
19. Factors affecting pipeline pressure difference - HCBBS Forum
20. Reason why valves are harder to open and close at high pressure than at low pressure - HCBBS Forum
21. Is this the legendary heart valve... - HCBBS Forum
22. How to install a check valve - HCBBS Forum
23. May I ask which standard should be referred to for determining the acceptance level of non-destructive testing on welded joints? - HCBBS Forum
24. Why are pipe bends always connected smoothly using elbows instead of right-angle bends? - HCBBS Forum
25. What does DN300-8.8 150Lb SO-RF mean? - HCBBS Forum
26. Scope of application of the NPT - HCBBS Forum
27. Compressed air pipeline supports and hangers - HCBBS Forum
28. Problems with steam throttle orifice plates~ - HCBBS Forum
29. Design standards for the length of copper tubes in oxygen pipeline flame arresters - HCBBS Forum
30. ASME Flange Fastener Standards - HCBBS Forum
31. May low-pressure steam pipes be laid underground? What measures are needed for underground passage construction? ? - HCBBS Forum
32. The steam coil outlet pressure is increasing - HCBBS Forum
33. What kind of valve is this? - HCBBS Forum
34. Turning the valve back a couple of turns after fully opening it, and turning it back a couple of turns after closing it completely – does this provide any protective effect? What principle? Please provide the structure diagram - HCBBS Forum
35. Seeking options or approaches for the design of large-scale crossings over gullies in long-distance gas pipelines - HCBBS Forum
36. Ball valve for crystallization conditions - HCBBS Forum
37. Is plastic lining suitable for sulfuric acid pipelines? - HCBBS Forum
38. When choosing valves, what factors do you take into consideration? - HCBBS Forum
39. Who has information on Bird valves? - HCBBS Forum
40. Which is more corrosion-resistant after heat treatment: 9cr18 or 2cr13? - HCBBS Forum
41. What to do about minor leaks at the orifice plate connections - HCBBS Forum
42. Seeking advice on the selection of control valves - HCBBS Forum
43. What do these labels mean? - HCBBS Forum
44. Why do safety valves leak more under steam conditions - HCBBS Forum
45. Is this type of stop valve used often in LNG? - HCBBS Forum
46. Which standard is used for designing underground tanks? - HCBBS Forum
47. Regarding argon and nitrogen pipeline issues - HCBBS Forum
48. Coaxial valve - HCBBS Forum
49. 350-degree molten salt medium: strong penetration capacity and moderate corrosion; what material is suitable for valves? - HCBBS Forum
50. Pressure relief valve and throttle valve - HCBBS Forum
51. Operating temperature for wound gaskets - HCBBS Forum
52. What is the difference between Korean-style economical two-piece ball valves and ordinary two-piece ball valves? - HCBBS Forum
53. What is the difference between a stop valve and a gate valve? - HCBBS Forum
54. Does rubber-plastic insulation not require a moisture barrier? ? - HCBBS Forum
55. Leakage in non-metallic expansion joints - HCBBS Forum
56. Can instruments and pneumatic valves be powered by compressed air cylinders? - HCBBS Forum
57. In black water media, control valves will get stuck due to scaling if they are in use for an extended period of time - HCBBS Forum
58. Resistance coefficient of the tee joint - HCBBS Forum
59. How to handle installing a T-shaped bracket on the ground - HCBBS Forum
60. Are straight pipe sections required before and after the rotameter? - HCBBS Forum
61. Reasons for the opening of the backup safety valve outlet - HCBBS Forum
62. Ball valve DN150 CL150 RF VQR2AD11C - HCBBS Forum
63. The heat exchanger is noisy - HCBBS Forum
64. Grounding issue of electric valves at oil terminals - HCBBS Forum
65. Is it necessary to install a vent valve at the high point of the tube side piping in a heat exchanger? - HCBBS Forum
66. Nitrogen seal valve - HCBBS Forum
67. Method of lubricating a gate valve with butter - HCBBS Forum
68. Manufacturers of wind inquiry valves - HCBBS Forum
69. Looking for a new name for a valve company? - HCBBS Forum
70. Should a U-shaped drain be designed for the vacuum exhaust pipe? - HCBBS Forum
71. When a steam pipe passes through a fire wall, can it be moved back and forth after the opening is sealed? - HCBBS Forum
72. Seven key points to avoid damage to valve sealing surfaces - HCBBS Forum
73. Dear sea friends, please help identify what kind of flow meter this is - HCBBS Forum
74. On the topic of \"Compilation of Chinese Machinery Industry Standards – Valves Volume (4th Edition)\\" - HCBBS Forum
75. Selection, installation of sealing gaskets, and reasons for failure in use - HCBBS Forum
76. A brief discussion on various control valves - HCBBS Forum
77. Help needed regarding insulation felt - HCBBS Forum
78. Simple formula for calculating no-load torque of ball valves when unloaded - HCBBS Forum
79. I’m seeking advice from experts: how to perform lofting when two tubes intersect? - HCBBS Forum
80. Everyone, look over here - HCBBS Forum
81. Material resistant to a mixture of 20% fuming sulfuric acid and 95% nitric acid - HCBBS Forum
82. Must skid-mounted pressure equipment include pressure vessels? - HCBBS Forum
83. Difference between ER50-4 and ER50-6 - HCBBS Forum
84. Valve type - HCBBS Forum
85. In practice with piping, issues arise with the DN65 and DN125 Series I - HCBBS Forum
86. May I ask: Is J41H-16C H the material of the valve seat, and is C the material of the valve body? - HCBBS Forum
87. Could you recommend a reliable pneumatic ball valve? - HCBBS Forum
88. Why is insulation not required but cooling is necessary for skirt bases, supports, etc.? - HCBBS Forum
89. What are the reasons for frequent leakage of safety valves? - HCBBS Forum
90. Worm ball valve - HCBBS Forum
91. What are the causes of valve surge? - HCBBS Forum
92. Find manufacturers specialized in importing welded chlor-alkali valves - HCBBS Forum
93. Precautions for the use of compensators in gas pipeline installation - HCBBS Forum
94. Swagelok valve issues - HCBBS Forum
95. The effect of pickling solution concentration on stainless steel - HCBBS Forum
96. Imported pipeline components are being used in the country without a manufacturing license - HCBBS Forum
97. I built a high-pressure manifold – should I do heat treatment first, or pressure testing first? - HCBBS Forum
98. Duct design - HCBBS Forum
99. How to calculate the diameter of a safety valve with a set pressure of less than 0.1 MPa gauge pressure? - HCBBS Forum
100. What is the impact of classifying explosion hazard areas on piping? - HCBBS Forum