English — Forum #92 (Page 86/87)

1. How to install valves on blast furnace gas pipelines - HCBBS Forum
2. Domestic valve manufacturers that are relatively good at coal chemical industry-related products - HCBBS Forum
3. Seeking help with the calculation of safety valve diameter - HCBBS Forum
4. When can a pipeline undergo a pressure test? When can the pressure test on pipelines be waived? - HCBBS Forum
5. The operating pressure is 1.2 MPa, the diameter is DN350, and the medium is corrosive; if a butterfly valve is to be used, - HCBBS Forum
6. How often should the thickness of carbon steel pipelines be measured - HCBBS Forum
7. Here are some recommended manufacturers of 27MPA metal hoses - HCBBS Forum
8. Drawing of pipeline as-built drawings - HCBBS Forum
9. Are there specific requirements for the thickness of the inner ball in a free-floating ball type steam trap? - HCBBS Forum
10. Basic knowledge of seals - HCBBS Forum
11. Non-metallic pipes - HCBBS Forum
12. Is it necessary to paint the outside of insulated pipes? - HCBBS Forum
13. Is it allowed to machine the groove of pressure pipelines on-site using a angle grinder? - HCBBS Forum
14. Selection of relief valves for high-temperature and high-pressure equipment - HCBBS Forum
15. Difference between thermodynamic traps and disc-type traps - HCBBS Forum
16. Thickness requirements for Y-type filter gland caps - HCBBS Forum
17. Regarding valve corrosion - HCBBS Forum
18. Random shots from the valve factory workshop - HCBBS Forum
19. The 20# steel pipe was replaced with 304 - HCBBS Forum
20. Questions regarding centralized oil supply pipelines - HCBBS Forum
21. Storage with 20% NaOH - HCBBS Forum
22. Question about STUDDED BRANCH FITTING and LINK SEALS - HCBBS Forum
23. How to calculate the number of U-clips in pipeline engineering - HCBBS Forum
24. Pipeline valve - HCBBS Forum
25. Everyone has come to look for problems - HCBBS Forum
26. Is there any instrument that can measure the flow rate on the outside of plastic pipes? - HCBBS Forum
27. What does a 90° extended welded elbow mean? - HCBBS Forum
28. Zhan Tuoke - HCBBS Forum
29. In urgent need of various valve standards, specifications, and models? ? ? ? Thank you - HCBBS Forum
30. I have some difficulty understanding the term and meaning of equivalent displacement in safety valves - HCBBS Forum
31. What does STL mean in ELL 90 DEG LR SCH40 STL A234 WPB? - HCBBS Forum
32. What are the problems with the wall thickness of oxygen pipelines being thinner than that of elbows? - HCBBS Forum
33. I would like to ask friends, can this valve be used with your steam pipe? - HCBBS Forum
34. Are the channel sizes the same for all types of connections? - HCBBS Forum
35. Reducing check valve - HCBBS Forum
36. Help needed: Standards for valves and pipelines - HCBBS Forum
37. The adjustment accuracy of the electric control valve is 0.5% - HCBBS Forum
38. Selection of flanges for enamel-lined reaction vessels - HCBBS Forum
39. How to achieve optimal design for gas pipeline crossings under highways and railways - HCBBS Forum
40. Calculations for superheated steam safety valves - HCBBS Forum
41. I would like to ask whether qualifications are required for the design and installation of industrial pipelines that are not pressure pipelines? - HCBBS Forum
42. three-way valve - HCBBS Forum
43. Why do control valves allow internal leakage? ? - HCBBS Forum
44. Sleeve elbow - HCBBS Forum
45. Check valves smaller than DN50, vertical pipes - HCBBS Forum
46. What type of gasket is this? Urgently need an expert to translate it - HCBBS Forum
47. How should this sentence be translated in chemical engineering English? I earnestly beg experts to provide an answer - HCBBS Forum
48. Is the DN50 float-type drain valve installed correctly? - HCBBS Forum
49. Gate Valve \CL150 DN500 A216-WCB, 13Cr sealing pressure - HCBBS Forum
50. What does \"single diaphragm, snap-fit, chuck outer diameter Ф50.5\" mean in diaphragm valves? - HCBBS Forum
51. Help me take a look - HCBBS Forum
52. Valve DV mark - HCBBS Forum
53. Are the wash water and washing solutions used in phosphatic ammonium plants considered pressure pipelines? - HCBBS Forum
54. Some issues with safety valves - HCBBS Forum
55. Where can one order custom-made flexible graphite gaskets? - HCBBS Forum
56. Effective measures to prevent internal leakage in valves - HCBBS Forum
57. Piping plan: How to distinguish between elbows and tees? - HCBBS Forum
58. Should the pipe characteristic table include a welding joint coefficient? - HCBBS Forum
59. Regarding the selection of wall thickness for the Sch series - HCBBS Forum
60. Seek design solutions or approaches for crossing rivers with gas pipelines - HCBBS Forum
61. Problems encountered during equipment maintenance - HCBBS Forum
62. Plastic pipe temperature - HCBBS Forum
63. Error in PDMS 12.0 software - HCBBS Forum
64. Calculation of pressure drop in high-pressure argon capillary tubes? - HCBBS Forum
65. Excuse me - HCBBS Forum
66. What is the approximate cost of making an opening in the main instrument air pipeline under pressure to connect a branch? - HCBBS Forum
67. On the service life of valves and key inspection points! - HCBBS Forum
68. Issues with rust-proof paint for high-temperature pipelines - HCBBS Forum
69. Selection of wound gaskets for stainless steel flanges - HCBBS Forum
70. The proportion of valves used in chemical plants in the total project investment and the number of imported valves - HCBBS Forum
71. Issues with valve declaration - HCBBS Forum
72. Can fillet welds be inspected by radiography or ultrasonic testing? - HCBBS Forum
73. Matters regarding completion documents for pipelines - HCBBS Forum
74. Where can I find data such as the elastic modulus and Poisson’s ratio for common materials? - HCBBS Forum
75. Pipeline calculation, urgent! Urgent! Urgent! ! ! - HCBBS Forum
76. Issues regarding the certification of natural gas pipeline materials - HCBBS Forum
77. I would like to ask some questions about valve sales - HCBBS Forum
78. Seek help regarding the meaning of each letter and number in the Z36R-N139/A351-CF8 SEAT/DISC:STLT CL300 valve - HCBBS Forum
79. How should pressure pipelines be handled when passing through deformation joints? - HCBBS Forum
80. I would like to ask the experts: are there suitable standard fittings for connecting pipes of different diameters? - HCBBS Forum
81. Valve body processing - HCBBS Forum
82. RTFE or RPTFE? - HCBBS Forum
83. Pre-cooling of low-temperature pipelines - HCBBS Forum
84. Is the Pressure Pipeline Supervision Regulation TSG-D0001 not applicable to power pipelines? ? ? Which standard applies to those power pipelines? ? - HCBBS Forum
85. What are the requirements for purchasing valves and instruments? - HCBBS Forum
86. The main differences between self-acting control valves and pressure reducing valves - HCBBS Forum
87. Seek the technical specifications for nickel-based alloy valves - HCBBS Forum
88. Pipeline design issues: how is the coefficient for pipe weld joints taken into account? - HCBBS Forum
89. Does a bimetallic composite pipe made of carbon steel and austenitic stainless steel need to undergo heat treatment before leaving the factory? - HCBBS Forum
90. Trough graphite gasket code - HCBBS Forum
91. Can a DN400 ball valve be operated manually? - HCBBS Forum
92. Can a boiler’s high-pressure valve be removed by heating it? - HCBBS Forum
93. Is such a pipeline design compliant? - HCBBS Forum
94. Oxygen safety valve outlet pipe - HCBBS Forum
95. How to design a threaded nozzle - HCBBS Forum
96. May I ask everyone about the specific functions of the rust-inhibiting primer, intermediate coat, and topcoat for pipes? - HCBBS Forum
97. Standard elbow – strength verification - HCBBS Forum
98. Design considerations for gas valves - HCBBS Forum
99. How to solve the problem of too fast discharge? - HCBBS Forum
100. Can any master explain the difference between neck butt welding flange and neck flat welding flange? - HCBBS Forum