English — Forum #92 (Page 82/87)

1. Do insert nozzles belong to pipe fittings? Is it piping or equipment? This nozzle is used to inject chemicals and similar substances into the main process pipeline. - HCBBS Forum
2. How far apart should supports/pile caps be installed for gas pipelines buried across flood channels? - HCBBS Forum
3. Are the codes for control valves from the automation specialty indicated on the pipeline layout plan? - HCBBS Forum
4. Problems with the piping (is there a solution?) ） - HCBBS Forum
5. What are the standards for installing pipes according to American standards? - HCBBS Forum
6. Eccentric ball valve - HCBBS Forum
7. Who has the standard QB/T 4877-2015 polytetrafluoroethylene pipes? Please share - HCBBS Forum
8. Fan system piping - HCBBS Forum
9. Direction of the butterfly valve handle - HCBBS Forum
10. Weighted butterfly valve - HCBBS Forum
11. How to choose the flange and gasket for a burst disc holder - HCBBS Forum
12. Non-destructive testing - HCBBS Forum
13. Chemical industry valves - HCBBS Forum
14. Is there a design agency for pressure pipelines with a working pressure of 50 MPa? - HCBBS Forum
15. Regarding the issues with the heat pump line. - HCBBS Forum
16. Material Exhibition - HCBBS Forum
17. Pressure pipeline audit search - HCBBS Forum
18. Is there any standard for the outer diameter of wafer butterfly valves? - HCBBS Forum
19. Is the oxygen safety valve closed or open? - HCBBS Forum
20. What are the respective operating conditions for the pipes specified in GB 12771 and GB 14976? - HCBBS Forum
21. Flue gas flow rate issues in denitrification flue gas treatment plants - HCBBS Forum
22. Look for a safety pressure relief valve - HCBBS Forum
23. What is the reason for cracking that occurs when carbon steel elbows are welded to pipes after pickling? - HCBBS Forum
24. Looking for photos or drawings of the rolling correction platform in the hot-state straightening method? - HCBBS Forum
25. The steam supplied from the power plant is at 2.0 MPa(g), intended for use by enterprises outside the plant; it is transported via GB2 pipes. What standards should be followed? - HCBBS Forum
26. Analysis and determination of seal leakage causes - HCBBS Forum
27. Questions regarding the large and small tube series - HCBBS Forum
28. Problems with valves for concentrated sulfuric acid - HCBBS Forum
29. Are there classifications for forgings made of American standard materials? - HCBBS Forum
30. Safety valve is directly connected to the valve - HCBBS Forum
31. Issues regarding pipeline strength testing and leakage testing - HCBBS Forum
32. What are the things to note for the certification of nuclear power valves? - HCBBS Forum
33. Leakage in copper threaded pipe connection - HCBBS Forum
34. Application ranges of safety valves and burst discs - HCBBS Forum
35. Question regarding the method of indicating pipeline pressure ratings - HCBBS Forum
36. Can material 10# be used as a substitute for material 20# in heat exchangers? - HCBBS Forum
37. If you need information on the extraction check valves on the steam extraction network, contact me - HCBBS Forum
38. Fluorinated seal valves in intelligent warehouse installation – for more efficient operations - HCBBS Forum
39. Recommended manufacturers that produce high-quality titanium valves - HCBBS Forum
40. How to choose the compressed air flow rate - HCBBS Forum
41. Manual lofting techniques for shrimp-shaped waists - HCBBS Forum
42. As shown in the valve body material selection table, is this correct? - HCBBS Forum
43. Valve model - HCBBS Forum
44. What are the permanent protective measures? - HCBBS Forum
45. Does the water-side system of the heat exchanger require a control valve on each side, upstream and downstream of the heat exchanger? - HCBBS Forum
46. In what applications and operating conditions are these rare valves used? - HCBBS Forum
47. Problems with threaded fittings for sanitary-grade pipes - HCBBS Forum
48. Is it normal for 1Cr5Mo superheated steam pipes to rust? - HCBBS Forum
49. Valve pressure testing standard - HCBBS Forum
50. Can the pressure-bearing capacity of an elbow be the same as that of a pipe of the same model? - HCBBS Forum
51. Spring elasticity - HCBBS Forum
52. How do I read a pressure gauge like this? - HCBBS Forum
53. Introduction to the corrosion of stainless steel pipes - HCBBS Forum
54. Discussion on the testing ratio for valves after arrival - HCBBS Forum
55. Definition of hot oil equipment in equipment layout - HCBBS Forum
56. Can a Y-type filter remove activated carbon? - HCBBS Forum
57. PU air hoses used in workshops break easily; is there anything that can replace them? - HCBBS Forum
58. Is this a weld crack? - HCBBS Forum
59. I would like to ask those with experience in using EPS for on-site foam insulation applications for advice: - HCBBS Forum
60. How to survey and record the actual layout of pipelines - HCBBS Forum
61. How to prevent pipes from being crushed under load - HCBBS Forum
62. Precautions for installation of soft seal telescopic butterfly valve - HCBBS Forum
63. Design principles for drain valves? - HCBBS Forum
64. Ball valve partially open - HCBBS Forum
65. Production standards for vacuum globe valve NKJ61H - HCBBS Forum
66. Problems with flame arrestors - HCBBS Forum
67. What is the purpose of the throttling device on the pipeline? - HCBBS Forum
68. Problems related to the matching of threaded ball valves and pipelines - HCBBS Forum
69. Schematic diagram of energy savings in steam systems - HCBBS Forum
70. Is there a specified minimum wall thickness for pressure pipes? - HCBBS Forum
71. Steel-frame PE pipe drain valve - HCBBS Forum
72. Directional issue in cold drawing of pipes - HCBBS Forum
73. Do the pneumatic valves on oxygen pipelines need to be explosion-proof? - HCBBS Forum
74. Welding issues with Monel and stainless steel - HCBBS Forum
75. I have some good domestic butterfly valves to share with everyone - HCBBS Forum
76. During the renovation of the fire water pipeline, the burial depth is higher than the local permafrost layer – what are the remedial measures? - HCBBS Forum
77. I ran into an awkward problem: the use of the filter - HCBBS Forum
78. What is the difference between the \"Series for the Selection of Plastic-Lined Steel Pipes and Fittings\" and \"Plastic Linings for Steel Pipes and Fittings\"? - HCBBS Forum
79. Problems with the installation of flow control orifice plates - HCBBS Forum
80. Who knows the joint size of the valve? - HCBBS Forum
81. Are there any standards for the valve disc of stop valves? - HCBBS Forum
82. Find the calculation formula for pipes - HCBBS Forum
83. Valves also have a life; please treat me well - HCBBS Forum
84. Pure titanium, low hydrogen, low iron - HCBBS Forum
85. Eight-character blind plates, single blind plates, and partition rings - HCBBS Forum
86. How often should the welds of the high-temperature, high-pressure main steam pipes in power plants be thoroughly inspected? - HCBBS Forum
87. Can a self-acting control valve be used as a pressure relief valve? - HCBBS Forum
88. Issues regarding standards for fasteners in pressure pipelines - HCBBS Forum
89. How can I view the posts I have commented on? - HCBBS Forum
90. Was it the safety valve that caused the problem at the Three Mile Island nuclear accident? - HCBBS Forum
91. What kind of valve is this? - HCBBS Forum
92. Calculation of the thickness of temporary blind plates for pipeline pressure testing - HCBBS Forum
93. Requirements for the use of sanitary-grade valves - HCBBS Forum
94. The relationship between American, European, and Chinese standards regarding steel pipe diameters - HCBBS Forum
95. Does anyone have the API650 version from 2009? - HCBBS Forum
96. How to connect a φ3 air tube to an M8 external thread? - HCBBS Forum
97. Are there any usage restrictions for reducing flanges? - HCBBS Forum
98. I would like to ask my fellow professionals: what factors should be considered when selecting hydrogen safety valves? - HCBBS Forum
99. Is a secondary weld material warehouse necessary for pipeline construction companies? - HCBBS Forum
100. What type of check valve has a low pressure drop, and what is the lowest value it can achieve? - HCBBS Forum