English — Forum #92 (Page 84/87)

1. Regarding the pipe fitting wall thickness series - HCBBS Forum
2. Can the heat-traced pipes share a single drain valve? Why? - HCBBS Forum
3. Technical consultation on professional elbows, flanges, and tees - HCBBS Forum
4. What criteria are used to compile the pipeline branching table? - HCBBS Forum
5. Regarding the steam leakage from the discharge port of the pilot-operated safety valve - HCBBS Forum
6. A671 Gr CC60 – what does CC stand for? - HCBBS Forum
7. Valve jumping problem in pneumatic control valves - HCBBS Forum
8. Regarding fixed welding - HCBBS Forum
9. Regenerator leakage issue - HCBBS Forum
10. Hardness of stainless steel valves - HCBBS Forum
11. What type of valve internals are generally used in valves made of stainless steel 321? - HCBBS Forum
12. How to cut the material - HCBBS Forum
13. Solve it – what does sch20 mean in the diagram? - HCBBS Forum
14. Reasons for internal leakage in valves - HCBBS Forum
15. Installation method and troubleshooting of steam pressure relief valves - HCBBS Forum
16. I took random photos of valves everywhere - HCBBS Forum
17. Welding and flange connection of high-pressure, normal-temperature pipelines - HCBBS Forum
18. Can the H44 swing type replace the H42 vertical check valve? If you know, please answer it. It's urgent. - HCBBS Forum
19. The stainless steel pipe is in direct contact with galvanized iron wire. - HCBBS Forum
20. Meaning of the valve code SZ41AF4-B4a - HCBBS Forum
21. Zero-leakage valve - HCBBS Forum
22. Pipe modification heat treatment - HCBBS Forum
23. I urgently need to know: what is the brittle transition temperature of 20 steel? - HCBBS Forum
24. On the last day of 2013, let’s share our thoughts - HCBBS Forum
25. Can corrosion allowance be ignored for all steam pipes? - HCBBS Forum
26. Which standard specifies the calibration cycle for safety valves? - HCBBS Forum
27. Replacing this type of valve? What is this valve called? Does replacing the valve cause damage to the pipeline? ! - HCBBS Forum
28. Valve factory testing - HCBBS Forum
29. What is that on the flange? - HCBBS Forum
30. Ball rotation process installed in crude oil pipelines - HCBBS Forum
31. Advantages of fluorine-lined butterfly valves in the modern petrochemical industry - HCBBS Forum
32. High-pressure Y-type stop valve - HCBBS Forum
33. What are the technical requirements for flange guards in chemical enterprises, and are there any regulatory specifications? - HCBBS Forum
34. What is that stainless steel on top of the filter, and what is its purpose? - HCBBS Forum
35. TSG D0004-2007 - HCBBS Forum
36. Installation of eight-character blind flanges - HCBBS Forum
37. Are there any guiding standards for the statistics of thermal insulation and cooling materials? - HCBBS Forum
38. Common faults and causes of pressure relief valves (safety valves) - HCBBS Forum
39. Urgently need product data samples for double-seal guide rail valves - HCBBS Forum
40. What is the typical pressure difference for gas pressure regulators P1P2? - HCBBS Forum
41. Pipe insulation type - HCBBS Forum
42. Does that technician know what this one-way valve is? - HCBBS Forum
43. Manufacturing process and installation standards for lined pipes - HCBBS Forum
44. How is the backforce of a safety valve in a liquid-phase pipeline calculated? - HCBBS Forum
45. Application scenarios of 10# and 20# steel - HCBBS Forum
46. Are lock nuts and washers used on the process piping? - HCBBS Forum
47. BS 534 or BSEN 10224 pipes and fittings - HCBBS Forum
48. What materials are generally used for the valve body and diaphragm of diaphragm valves? - HCBBS Forum
49. Reasons for using long-neck valve covers in low-temperature valves - HCBBS Forum
50. Inventory of new seals - HCBBS Forum
51. Is it in compliance with the special regulations to install blind flanges on pressure pipelines in this manner? - HCBBS Forum
52. Everyone, take a look at what kind of valve this is - HCBBS Forum
53. Fully welded ball valve manufacturers - HCBBS Forum
54. Is there a material sheet for flange forgings with a QR code? ? ? ? Online help request - HCBBS Forum
55. A brief discussion on the impact of seals on the overall performance of mechanical equipment - HCBBS Forum
56. Seeking advice on corrosion of welds in carbon steel pipes - HCBBS Forum
57. Help! Anti-corrosion treatment of gas supply pipeline - HCBBS Forum
58. Stud length - HCBBS Forum
59. Is it reasonable for a heat exchanger to have high inlet and low outlet? - HCBBS Forum
60. What does the valve model represent? - HCBBS Forum
61. The pipeline is humming; what’s going on? - HCBBS Forum
62. Problems with natural gas hard-sealed check valves - HCBBS Forum
63. Help: Some minor detail issues - HCBBS Forum
64. What are the differences and application scenarios of pipeline materials L485, L360, and L245? Are their metal compositions the same? - HCBBS Forum
65. Cracking at the weld of the pressure lead pipe of the reciprocating hydrogen compressor in the hydrogenation unit - HCBBS Forum
66. What type of gasket is generally used for valve bonnet gaskets? - HCBBS Forum
67. Can a three-eccentric butterfly shut-off valve regulate flow? What is the maximum pressure difference it can handle? - HCBBS Forum
68. What are the advantages and disadvantages of piston valves compared to globe valves? - HCBBS Forum
69. What does the request from the customer regarding the flange contract mean? - HCBBS Forum
70. What type of internal components should be used for Inconel valves? - HCBBS Forum
71. What type of actuator does this ball valve have? - HCBBS Forum
72. Please help come up with a more stylish name for the company - HCBBS Forum
73. Pressure testing of gravity flow pipelines - HCBBS Forum
74. Whoever understands the marking diagrams for pipe racks per HG/T21629, please help - HCBBS Forum
75. 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
76. I would like to ask at what temperature the material properties specified in the ASTM standard are applicable? - HCBBS Forum
77. Pressure pipelines and pressure pipeline components - HCBBS Forum
78. Analysis of the fire-resistant structure of the valve seat in pipeline ball valves - HCBBS Forum
79. Consult information on pipeline water cutting construction - HCBBS Forum
80. What do maintenance workers usually mean when they talk about gaskets in terms of inches and pounds? - HCBBS Forum
81. Does anyone manufacture threaded copper tubes? - HCBBS Forum
82. Drain pan on the high-pressure steam pipes in the pipe gallery - HCBBS Forum
83. The issue of the safety valve returning to its original position - HCBBS Forum
84. Regarding pipeline anti-corrosion - HCBBS Forum
85. **Departmental quality supervision - HCBBS Forum
86. What anti-corrosion materials should be used for pipes containing strong bases and strong acids? - HCBBS Forum
87. Urgently need the standards for this quick-change connector! - HCBBS Forum
88. Questions from beginners about oil pipeline elbows - HCBBS Forum
89. Material requirements for PTFE-lined valves - HCBBS Forum
90. Year-end essentials: A comprehensive overview of urban underground utility tunnels in 2016 - HCBBS Forum
91. Valve material - HCBBS Forum
92. Internal leakage problem of the valve - HCBBS Forum
93. The importance of steam trap maintenance - HCBBS Forum
94. Y-shaped seal ring - HCBBS Forum
95. Good methods for preventing pipe freezing - HCBBS Forum
96. What is a more reasonable hardness level for the heat-treated stem of 17-4PH? - HCBBS Forum
97. Dear teacher, I would like to ask whether 4130 alloy steel can withstand low temperatures of minus 46 degrees - HCBBS Forum
98. Question regarding the dimensional standards for riser clamps - HCBBS Forum
99. Why is multi-pass welding required for welding duplex steel? - HCBBS Forum
100. Pneumatic valve cylinder drive issues - HCBBS Forum