English — Forum #92 (Page 69/87)

1. A comprehensive list of common faults in pressure relief valves - HCBBS Forum
2. What is this? - HCBBS Forum
3. Pipeline insulation - HCBBS Forum
4. Common piping errors - HCBBS Forum
5. What does the sealing type of a valve flange depend on? - HCBBS Forum
6. Looking for CAD drawings of outdoor pipe supports and hangers - HCBBS Forum
7. Why does this pipeline require so many short connectors, and why are their diameters different? - HCBBS Forum
8. Is there something wrong with this stop valve, which has flow from high to low? - HCBBS Forum
9. Trenchless pipe-laying drill - HCBBS Forum
10. Industrial applications of 3D-printed filters - HCBBS Forum
11. If a valve is labeled as a stainless steel ball valve, is it made entirely of stainless steel? - HCBBS Forum
12. For some conceptual aspects regarding pipeline pressure drop calculations, please refer to the diagram - HCBBS Forum
13. Valve - HCBBS Forum
14. Major repairs and modifications of pressure pipelines - HCBBS Forum
15. Internal leakage of the valve - HCBBS Forum
16. Anti-pull ropes are used in the hydrogen filling area; anti-pull valves (interlock protection devices) should be employed； - HCBBS Forum
17. Air open valve and air close valve - HCBBS Forum
18. expansion joint - HCBBS Forum
19. How can fire protection measures be implemented for cut-off valves? - HCBBS Forum
20. GB/T 3091 VS SY/T 5037 - HCBBS Forum
21. Identification in PID diagrams - HCBBS Forum
22. Flange standards - HCBBS Forum
23. Corrosion resistance of valve model CZ40H-100 - HCBBS Forum
24. Specific requirements for the ball tank water cut-off valve - HCBBS Forum
25. Has the use of forklifts in the pump room been considered? - HCBBS Forum
26. Flame-retardant vent cap, Flame-retardant breathing valve, Vacuum pressure valve - HCBBS Forum
27. Seeking help regarding the non-destructive testing of welds between branch pipe supports, 45° angled tees, and the main pipe - HCBBS Forum
28. Material selection for high-pressure hydrogen pipelines - HCBBS Forum
29. Regarding bolt grade and selection issues - HCBBS Forum
30. What do the symbols in the picture mean? - HCBBS Forum
31. Installation of metal flexible hoses for inlet and outlet pipes of small storage tanks - HCBBS Forum
32. Insufficient terminal pressure - HCBBS Forum
33. Under what circumstances can a pump be operated without a minimum flow line? - HCBBS Forum
34. clogged pipes - HCBBS Forum
35. What is the scientific name for those stainless steel tubes used for heat dissipation, which look like hedgehogs? - HCBBS Forum
36. I don’t have the permission to view it. Can someone help send the old document: reference materials for thermal pipeline network design in PDF format to 94742967@qq.com? - HCBBS Forum
37. What are the advantages of pneumatic valves? ! - HCBBS Forum
38. Everyone, take a look at what this handle is used for - HCBBS Forum
39. Discussion on the classification of pressure pipelines for formalin solutions - HCBBS Forum
40. Seek help: How should welds be marked on a single-line diagram of a jacketed tube? The jacket flanges are flat flanges – how should fillet welds be handled? - HCBBS Forum
41. Representation of pipeline numbers in process flow diagrams - HCBBS Forum
42. Lined ceramic elbow - HCBBS Forum
43. Material selection - HCBBS Forum
44. PP pipes: Table of nominal diameter and outer diameter - HCBBS Forum
45. Principles for equipping containers with dual safety valves - HCBBS Forum
46. Insulation for the retest expansion joint - HCBBS Forum
47. On the issue of calculated specific pressure for fixed ball valves - HCBBS Forum
48. Thermopressure three transition radius - HCBBS Forum
49. Regulations on static grounding of pipelines - HCBBS Forum
50. Procedures for the use of pressure pipes and containers in the factory - HCBBS Forum
51. Table for calculating leakage flow rate through pipe holes - HCBBS Forum
52. HG/T 21633 Glass fiber reinforced plastic pipes - HCBBS Forum
53. Frosting on the gas cylinder piping - HCBBS Forum
54. How should the changes in working hours that arise from non-standard manufacturing of pipes and fittings during assembly welding be described in detail? - HCBBS Forum
55. What are the differences between gate valves and butterfly valves, and what are their respective characteristics? - HCBBS Forum
56. Steam at 100 degrees is passed through an iron barrel with a thickness of 5 cm; determine the surface temperature of the barrel - HCBBS Forum
57. Insulation thickness table - HCBBS Forum
58. Which standard does S304 come from? - HCBBS Forum
59. Pipe wall thickness calculation - HCBBS Forum
60. On the use of ferrule connectors in vacuum systems - HCBBS Forum
61. SIS system valve acceptance - HCBBS Forum
62. When are asbestos gaskets used on chemical plant equipment? What’s the use of a metal pad? - HCBBS Forum
63. Selection of fittings for copper pipes in refrigeration systems - HCBBS Forum
64. Pipeline anti-corrosion in trenches - HCBBS Forum
65. Selection of supports and hangers - HCBBS Forum
66. Safety valve outlet pipe - HCBBS Forum
67. What is the maximum gap between flange bolts and bolt holes? What is the basis for the standard? - HCBBS Forum
68. Reasons for leakage in low-temperature ball valves and reference methods for low-temperature testing - HCBBS Forum
69. Daily troubleshooting of vortex flowmeters - HCBBS Forum
70. The sequence issue with solenoid valves and pressure relief valves! - HCBBS Forum
71. Is this fiberglass reinforced plastic flange RF or FF? Can it be connected to the valve’s RF flange? - HCBBS Forum
72. Issues regarding the design codes for power pipelines - HCBBS Forum
73. Everyone, please help me figure out what kind of valve this is. I’m waiting online - HCBBS Forum
74. Pipe square compensator settings - HCBBS Forum
75. Five common faults of valves – mastering them makes you an expert! - HCBBS Forum
76. The operating temperature of the medium inside the pipeline ranges from -25 degrees Celsius to 250 degrees Celsius; how should the insulation material and its thickness be selected? - HCBBS Forum
77. The air flow rate is too high when breaking the vacuum; find the appropriate valve - HCBBS Forum
78. Pipeline properties after the trap - HCBBS Forum
79. How to calculate the steam production rate of a pure steam generator - HCBBS Forum
80. How to solve the problem of rotameters getting stuck frequently - HCBBS Forum
81. What determines the valve core, valve body, spring, etc. of a safety valve? - HCBBS Forum
82. Can Honeywell’s DCS determine the on/off status of the XV valve by looking at the curves? - HCBBS Forum
83. Discussion on the degreasing of oxygen pipelines - HCBBS Forum
84. Questions regarding the anti-corrosion and insulation of process pipelines - HCBBS Forum
85. When is the safety valve inlet check valve used? - HCBBS Forum
86. How to draw a typical design for the process and instrumentation flow diagrams of a reactor? - HCBBS Forum
87. What do all these numbers mean? - HCBBS Forum
88. Can a stop valve be used in reverse? - HCBBS Forum
89. Problems with low-temperature valve coolers - HCBBS Forum
90. What is the standard number for American standard U-bolts? - HCBBS Forum
91. Seek standard - HCBBS Forum
92. I would like to ask about the pipe code xSCH60 – what does the ‘x’ at the beginning mean? - HCBBS Forum
93. Pipeline plan view symbol issues - HCBBS Forum
94. How to interpret - HCBBS Forum
95. Does anyone have the second edition of the book on pressure pipeline technology? I would like to buy one - HCBBS Forum
96. Why are elbow sections particularly prone to being eroded and causing leaks? How to handle some of these? - HCBBS Forum
97. Pressure relief valve - HCBBS Forum
98. Airtight pressure test of pipeline reinforcement plates - HCBBS Forum
99. Valve abnormality - HCBBS Forum
100. Please, dear experts, help give some advice regarding the issue of pipeline flow velocity - HCBBS Forum