English — Forum #92 (Page 5/86)

1. Regarding the determination of design parameters and test pressure of pipelines? - HCBBS Forum
2. Regarding the leakage rate during pressure testing of pipeline systems - HCBBS Forum
3. Simple questions about gaskets - HCBBS Forum
4. Compilation of materials for petrochemical renovation projects - HCBBS Forum
5. Is the formula I developed to calculate the temperature drop of superheated steam correct? - HCBBS Forum
6. What’s on top of this small buffer tank? - HCBBS Forum
7. gasket - HCBBS Forum
8. How to turn a single-threaded short fitting on small-diameter pipes - HCBBS Forum
9. Does anyone have a comprehensive guide for selecting pipeline metal materials? - HCBBS Forum
10. Is there anyone aware of the release status of HGT20580-20585/2020? Only by seeing the draft for approval. When will it be officially implemented? Thank you - HCBBS Forum
11. Gods, what kind of valve is this? - HCBBS Forum
12. Calculation of the thickness of the butterfly head on flanged blind plates - HCBBS Forum
13. Questions about PTFE/non-ASB material - HCBBS Forum
14. What type of grease should be used for valve actuators? - HCBBS Forum
15. Regulating valve impact noise - HCBBS Forum
16. Could you please help me find out what the upside down grooves on this pipe are for? - HCBBS Forum
17. The importance of material selection for compressed air pipelines - HCBBS Forum
18. Temperature transmitter - HCBBS Forum
19. 【Ten Years of Rapid Development in Chemical Processing Equipment】Development of High-Frequency Straight-Sew Welded Tubes for Dense/Supercritical CO₂ Transport, 2027–2035 - HCBBS Forum
20. What are the regulations for pipelines carrying flammable liquids crossing railway sidelines? - HCBBS Forum
21. Pressure drop and \"surge\" problems in float-type steam traps - HCBBS Forum
22. Fully threaded studs / Heavy-duty hex head nuts, HG/T 20634 performance grade combination - HCBBS Forum
23. Whether the gasket can be used is shown in the diagram - HCBBS Forum
24. Classification of steam pipes? - HCBBS Forum
25. Applications where a three-eccentric butterfly valve is necessary - HCBBS Forum
26. I would like to ask everyone, what kind of valve is this? - HCBBS Forum
27. Is an O-type control ball valve what we commonly refer to as a on/off valve? - HCBBS Forum
28. The steam condensate pipe line is cracked; please help analyze the cause. - HCBBS Forum
29. High-quality document--Valve installation standards for petrochemical engineering projects - HCBBS Forum
30. A brief discussion on the analysis and solutions of magnetic deflection during pipeline welding - HCBBS Forum
31. Can anyone help send the old book: Reference Materials for Thermal Pipe Network Design in PDF format to 94742967@qq.com? - HCBBS Forum
32. I took random photos of valves everywhere - HCBBS Forum
33. Looking for information on Hongsheng orbital ball valves - HCBBS Forum
34. 【Process Engineering Division – Pipeline and Valve Technology Exchange Forum – Daily Question – Questions 04-10】 - HCBBS Forum
35. Why aren’t high-quality Chinese-made valves sold directly in China? - HCBBS Forum
36. Regarding the installation direction of such control valves - HCBBS Forum
37. 【Ten Years of Rapid Development in Chemical Equipment】2485–2025: China’s first hot oil testing platform for high-temperature floating ball valves put into operation - HCBBS Forum
38. Thermal displacement - HCBBS Forum
39. For control valves using water and thermal oil as media respectively, the flow rates differ significantly; can the same valve cage and actuator be used? - HCBBS Forum
40. Methods for cleaning fuel oil filters - HCBBS Forum
41. What is the difference between single-leaf and double-leaf check valves? How to determine which one to use in a particular location? - HCBBS Forum
42. There’s a problem with installing the control valve this way - HCBBS Forum
43. 【Ten Years of Rapid Development in Chemical Engineering Equipment】From 2017 to 2024, CNPC Pipeline Bureau made breakthroughs in key technologies for flexible welding robots in mountainous areas! - HCBBS Forum
44. Whether the valve can be opened and closed during stress testing - HCBBS Forum
45. Dear colleagues in the offshore oil industry, I would like to ask some questions regarding the classification of industrial pipelines. - HCBBS Forum
46. Precautions for installation of soft seal telescopic butterfly valve - HCBBS Forum
47. Flat-bottomed, flat-lid removable atmospheric pressure container - HCBBS Forum
48. Pressure-bearing leak sealing welding process for stainless steel pipes - HCBBS Forum
49. Flange type and code - HCBBS Forum
50. Material selection for the valve sealing surface - HCBBS Forum
51. Requirements for stainless steel material - HCBBS Forum
52. Adjustment of the pressure in the carburetor outlet line - HCBBS Forum
53. Flange sealing issue - HCBBS Forum
54. What material is required for this technical specification? - HCBBS Forum
55. What does “non-toxic” mean in HG/T20592? - HCBBS Forum
56. Vacuum powder discharge valve - HCBBS Forum
57. EO/EC pneumatic butterfly valve, could someone with more experience give some guidance? - HCBBS Forum
58. What is the purpose of the disc on the valve? - HCBBS Forum
59. As the title suggests, how can one determine whether the safety accessories are functioning properly without testing the launch? Please help, I thank you all here - HCBBS Forum
60. Design Specifications for Skid-mounted Pipelines - HCBBS Forum
61. Information on DBB ball valves for long-distance pipelines - HCBBS Forum
62. Should blowers be classified under compressors in terms of layout? - HCBBS Forum
63. seamless steel pipe - HCBBS Forum
64. Will directly welding the fixed pipe support to the metal pipe cause damage to the pipe? - HCBBS Forum
65. What is the corrosion thickness limit for ASTM high-pressure seamless pipes (SCH160) before they need to be replaced? - HCBBS Forum
66. Process Information Encyclopedia 23 [Valve] List (no attachments) - HCBBS Forum
67. Reducing check valve - HCBBS Forum
68. Special equipment - HCBBS Forum
69. Ask for help: What brand of ball valve is this? - HCBBS Forum
70. 【Ten Years of Rapid Development in Chemical Equipment】2267-2025 Gem Tube Industry wins four record-breaking projects, including the supercritical carbon dioxide pipeline project - HCBBS Forum
71. Qualifications for pressure pipeline design and manufacturing - HCBBS Forum
72. Single-line diagram shading recognition - HCBBS Forum
73. The importance of steam trap maintenance - HCBBS Forum
74. CAESAR II Tutorial - HCBBS Forum
75. Pipelines for transporting granular materials - HCBBS Forum
76. Why is the test pressure for this pipeline greater than 1.5 times - HCBBS Forum
77. Calculation of the horizontal thrust on fixed supports - HCBBS Forum
78. C276 stainless steel seamless tube - HCBBS Forum
79. Are there any **standards or petrochemical standards** for bending large-radius elbows? Request standard number - HCBBS Forum
80. I would appreciate it if experts could offer their guidance on the problems encountered during the actual construction of the chemical plant. - HCBBS Forum
81. For American standard blind flanges, should it be 16.5 or 16.48? - HCBBS Forum
82. Pump inlet flexible joint - HCBBS Forum
83. What is a Joule-Thomson valve and what are its characteristics? - HCBBS Forum
84. Seeking advice on brands of control valves - HCBBS Forum
85. Spring-loaded safety valve – Explanation of valve knowledge - HCBBS Forum
86. Questions regarding thermodynamic disc-type steam traps - HCBBS Forum
87. Why is it necessary to enlarge the diameter of the pipeline downstream of the control valve? - HCBBS Forum
88. Does the Ej=1.0 requirement in the pipe description apply to the manufacturer or to the installer? - HCBBS Forum
89. Specifications regarding the division of pressure testing sections for process pipelines - HCBBS Forum
90. Could everyone help figure out why this tee has cracks? Another 80-three-way connector had the same problem yesterday! - HCBBS Forum
91. 【Process Engineering Division – Pipeline and Valve Technology Exchange Forum – Daily Question – Questions 04–19】 - HCBBS Forum
92. Vertical pipe, loose-ring flange, baffle - HCBBS Forum
93. As a technical forum, why isn’t anyone creating any technical posts? For example, the valve CV value calculation system talks about... - HCBBS Forum
94. Do all safety valves need to be calibrated? - HCBBS Forum
95. What is the application range of threaded pipe installation? Standards? - HCBBS Forum
96. 【Wolm Vacuum Pumps – After-sales Maintenance】How to clean water ring vacuum pumps - HCBBS Forum
97. How is the length of a flanged gate valve determined? - HCBBS Forum
98. Regarding A105III for flanges, what does the “III” stand for? I would appreciate some guidance from those who know more - HCBBS Forum
99. Plate rectifier - HCBBS Forum
100. Can cold-dried compressed air cause ice blockage? - HCBBS Forum