English — Forum #92 (Page 6/86)

1. What do \"trim\" and \"plug\" mean in valve specification sheets? - HCBBS Forum
2. Are there any components similar to elastic bands that can be used as spring supports? - HCBBS Forum
3. How to resolve the conflict between the requirements for carbon content in A105 material and those specified in GB20801 for welded carbon steel? - HCBBS Forum
4. Calculation of pressure drop in the safety valve pipeline - HCBBS Forum
5. Introduction to wear-resistant ceramic elbow linings - HCBBS Forum
6. Specify whether pipeline components must be labeled according to mandatory standards - HCBBS Forum
7. Welded sliding pipe support - HCBBS Forum
8. Use of the sealing surface on male and female flanges - HCBBS Forum
9. How are pressure pipelines classified? - HCBBS Forum
10. The issue of matching the pressure rating of the pipeline with that of the flange - HCBBS Forum
11. Leak detection methods for U-tube heat exchangers - HCBBS Forum
12. 【Chemical Engineering】Reference table for various pipe sizes - HCBBS Forum
13. Issues with steam pressure testing - HCBBS Forum
14. Guys, are there any actual photos of the skirt seat? - HCBBS Forum
15. Questions regarding the fire separation distances in Table 5.0.13-1 of the Design and Construction Specifications for Automobile Fuel and Gas Stations? - HCBBS Forum
16. Usage methods and operation procedures for stainless steel pipe benders! - HCBBS Forum
17. 【Ten Years of Rapid Development in Chemical Engineering Equipment】The longest drill-and-blast tunnel in China’s oil and gas pipeline industry was completed between 1249 and 2023 - HCBBS Forum
18. Wound gaskets must meet NACE MR 0175/ISO 15156. - HCBBS Forum
19. Under 700℃ working condition, what material of bolts should the Class900 flange be equipped with? Conflicting standards - HCBBS Forum
20. Wet chlorobenzene corrosion of carbon steel and stainless steel - HCBBS Forum
21. How much do you know about the operation of manually fully welded ball valves? - HCBBS Forum
22. Factory-prepared prefabricated pipes - HCBBS Forum
23. D-type gaskets vs C-type gaskets: differences in usage - HCBBS Forum
24. What kind of valve is used for heat tracing? - HCBBS Forum
25. Can raised-face flanges be used in combination with flat-face flanges? - HCBBS Forum
26. 【Process Engineering Division – Pipeline and Valve Technology Exchange Forum – Daily Question – Questions 02–11】 - HCBBS Forum
27. Arrangement of eccentric reducer and elbow at the pump inlet - HCBBS Forum
28. When is it necessary to empty it? - HCBBS Forum
29. Regarding design qualifications - HCBBS Forum
30. Seeking advice on issues with valve internals - HCBBS Forum
31. Filter, sight glass TS certification - HCBBS Forum
32. Under what circumstances does a control valve need to be equipped with a solenoid valve? - HCBBS Forum
33. Deep sensing cycling nanoindentation of tantalum - HCBBS Forum
34. How to choose legs for designs with a design temperature above 200 degrees - HCBBS Forum
35. May I ask if the API specifications for ball valves include a table of internal component materials? - HCBBS Forum
36. Help: Some minor detail issues - HCBBS Forum
37. Difference between metal belt flange guard and metal belt flange seal cover - HCBBS Forum
38. Standards for halogen content requirements in stainless steel contact materials - HCBBS Forum
39. Discussion on the material selection for valve pressure control components - HCBBS Forum
40. Questions regarding oil-resistant asbestos rubber sheets - HCBBS Forum
41. World steel grade comparison - HCBBS Forum
42. Causes of leakage at valve sealing surfaces and methods to eliminate it - HCBBS Forum
43. A cushion with a thickness of 150 as well - HCBBS Forum
44. Elliptical head - HCBBS Forum
45. Bolt length selection - HCBBS Forum
46. Year-end essentials: A comprehensive overview of urban underground utility tunnels in 2016 - HCBBS Forum
47. Material requirements for PTFE-lined valves - HCBBS Forum
48. Is it more difficult to open and close a valve when there is back pressure? - HCBBS Forum
49. Need help with valve selection – experts, please give some advice! - HCBBS Forum
50. Issues regarding SH/T3406 flanges and fasteners - HCBBS Forum
51. On the toxicity classification of dichloromethane - HCBBS Forum
52. What is the function of the two DN20 connections at the front and back of the pump? - HCBBS Forum
53. Flange valve installation and connection - HCBBS Forum
54. Video of the free-floating ball hydrophobic valve in action - HCBBS Forum
55. Help: Issue with safety valve model - HCBBS Forum
56. What is a stainless steel ball valve used for? - HCBBS Forum
57. Understand chemical process pipelines, double valves, and blind flanges in one article! Comprehensive analysis of regulatory basis, applicable scenarios, and selection criteria - HCBBS Forum
58. Piping design - HCBBS Forum
59. How is pressure-containing plugging of flanges carried out? Is multiple personnel required? - HCBBS Forum
60. Process for rolling large-sized ends from steel plates - HCBBS Forum
61. Pipeline stress analysis problem - HCBBS Forum
62. Are the channel sizes the same for all types of connections? - HCBBS Forum
63. 【Process Engineering Division – Pipeline and Valve Technology Exchange Section – Daily Question – Questions 02-08】 - HCBBS Forum
64. What does it mean to add or remove filler metal? - HCBBS Forum
65. The influence of vertical pipe sections on bracket spacing - HCBBS Forum
66. Piping airtightness test - HCBBS Forum
67. Hydrogenation reactor pipeline installation drawings - HCBBS Forum
68. Problems with gaskets in jacketed tubes and their combination methods - HCBBS Forum
69. How to consider scaling up the gas-liquid separation tank based on calculated values - HCBBS Forum
70. Which standard does S304 come from? - HCBBS Forum
71. Are there any manufacturers that produce imported plug valves and rotary valves? - HCBBS Forum
72. Selection of insulation materials for reaction vessels - HCBBS Forum
73. GB/T 3091 VS SY/T 5037 - HCBBS Forum
74. Is it feasible to construct 340 meters of prefabricated directly-buried steam pipelines with steel casing using jacking method? - HCBBS Forum
75. Specific requirements for the ball tank water cut-off valve - HCBBS Forum
76. The content is as shown in the figure below - HCBBS Forum
77. Regarding the absence of nipple threaded splices in the ASME B16.11 standard, how should a standard definition be established? - HCBBS Forum
78. Regarding the selection of pipe wall thickness tables - HCBBS Forum
79. 255 - HCBBS Forum
80. Sulfuric acid control valve - HCBBS Forum
81. I was wondering if anyone knows what this wire on the blast disc is for - HCBBS Forum
82. Regarding the signature requirement for pressure pipeline design - HCBBS Forum
83. Seeking advice on the two-way pressure-resistant structure of flanged butterfly valves - HCBBS Forum
84. Classification of corrugated metal hoses - HCBBS Forum
85. How to determine the size of the welding interface at the bottom of the forged steel butt-welded branch pipe seat - HCBBS Forum
86. Issues regarding internal leakage in valves of the acrylic acid and acrylate reconfiguration pipeline - HCBBS Forum
87. Guide to Selecting Industrial Valves, Appendix CD and Video Tutorials - HCBBS Forum
88. Valve selection when the medium is lime slurry - HCBBS Forum
89. What standards are used for reducing flanges/different-size flanges in American, European, and German standards? - HCBBS Forum
90. Valve maintenance - HCBBS Forum
91. Threaded pipe fittings and valve markings - HCBBS Forum
92. Daily maintenance and troubleshooting tips for power station valves - HCBBS Forum
93. Piping - HCBBS Forum
94. Is the liquid sodium pipeline GC1? - HCBBS Forum
95. The greater the pressure difference, the greater the flow rate and the greater the resistance; conversely, the smaller the pressure difference, the lower the flow rate - HCBBS Forum
96. I have some questions about slopes - HCBBS Forum
97. Are Italian thin-walled ball valves suitable for high-vacuum environments? - HCBBS Forum
98. Seeking guidance on gasket specifications and usage - HCBBS Forum
99. Series A pipes - HCBBS Forum
100. Non-impact check valve - HCBBS Forum