English — Forum #92 (Page 26/87)

1. The meaning of safety valve model numbers - HCBBS Forum
2. PID diagram help! What is the difference between the two black and hollow ball valves in the picture? - HCBBS Forum
3. Gentlemen, could you help me determine whether our product can be used for connecting chemical pipelines? - HCBBS Forum
4. How to support DN500 overhead pipelines - HCBBS Forum
5. Solution for the model of the cracking high-pressure check valve - HCBBS Forum
6. Guys, which brand’s control valves do you use for the temperature and pressure reduction devices in your plant’s power stations? - HCBBS Forum
7. Storage tank safety accidents – breathing valves - HCBBS Forum
8. Main structural forms of safety valves - HCBBS Forum
9. The frozen saline ball-type cut-off valve gets stuck frequently - HCBBS Forum
10. HGT 20592-2009: Issues regarding the inner diameter of socket weld flanges in steel pipe flanges (PN series) - HCBBS Forum
11. [Video] China’s ancient forge forging technique - HCBBS Forum
12. What issues should be considered when installing pneumatic miniature control valves? - HCBBS Forum
13. PDMS studies* - HCBBS Forum
14. Regarding the connection between the main pipe and branch pipes - HCBBS Forum
15. The influence of 49 elements on the properties of steel - HCBBS Forum
16. Forged steel valves - HCBBS Forum
17. When installing pipes connected to rotating mechanical equipment, the piping system should have sufficient flexibility; if necessary, the following measures can be taken... - HCBBS Forum
18. The constructed material pipelines now fall under the category of pressure pipelines. I have been using it for many years; how do I obtain a permit for using pressure pipelines? - HCBBS Forum
19. Manufacturing requirements for silicon carbide elbows manufacturers - HCBBS Forum
20. Emergency shut-off valve testing apparatus with fusible element fusing - HCBBS Forum
21. Fire separation distances for Class A factory buildings, and Class A and E factory buildings - HCBBS Forum
22. What does “non-toxic” mean in HG/T20592? - HCBBS Forum
23. What do the letters and numbers on the ball valve in the image below mean? - HCBBS Forum
24. Can internal threaded pipes with the same size but different wall thicknesses be connected to external threads of the same size? - HCBBS Forum
25. New type of fast-opening and closing ball valve - HCBBS Forum
26. With a steam temperature of 500°C and a pressure of 2.5 MPa, a pressure gauge needs to be installed. What type of root valve should be used? - HCBBS Forum
27. Reasons for discoloration inside stainless steel pipes - HCBBS Forum
28. Common knowledge on selecting stainless steel check valves - HCBBS Forum
29. Hydrogen energy and fuel cells High-pressure solenoid valves Carbon fiber hydrogen storage tanks - HCBBS Forum
30. Piping purging (compressed air) - HCBBS Forum
31. Lamb’s horn joint - HCBBS Forum
32. The power issue with the ASCO solenoid valve. - HCBBS Forum
33. Which is the authority responsible for reviewing the fire protection construction drawings for industrial projects (long-distance pipelines)? - HCBBS Forum
34. How can the pipe characteristic table and the pipe section table for pressure pipelines be distinguished? - HCBBS Forum
35. I’d like to ask gently: are pressure pipeline components such as elbows and tees manufactured by factories subjected to pressure tests before leaving the factory? - HCBBS Forum
36. Metal hoses often leak. What should I do? - HCBBS Forum
37. What is the material of the sealing ring for three-eccentric butterfly valves under low-temperature conditions? - HCBBS Forum
38. National Training Manual for Pressure Pipeline Design Approvers (3rd Edition) - HCBBS Forum
39. Center guided check valve abnormal noise - HCBBS Forum
40. The flow-limiting plate (ring) cannot limit the flow - HCBBS Forum
41. Valves displayed at the Shanghai Fluids Exhibition - HCBBS Forum
42. Issues with filling out the sh3503-j129 form - HCBBS Forum
43. In pipes with two-phase flow, when the flow direction of the medium is from bottom to top, it is advisable to first move horizontally and then vertically - HCBBS Forum
44. Insulation issues for large pipes with reinforcing ribs - HCBBS Forum
45. Selection of steam traps for heat exchangers - HCBBS Forum
46. Is the valve in the diagram below a ball valve? - HCBBS Forum
47. Nitrogen protection pipeline check valve - HCBBS Forum
48. What kind of calculation document is a thrust calculation sheet for butterfly valves? - HCBBS Forum
49. Who knows any reputable brands, both domestic and foreign, that produce high-quality micro-regulating valves? - HCBBS Forum
50. Valve failure database - HCBBS Forum
51. Under what operating conditions should a globe valve be used? - HCBBS Forum
52. Selection of flanges for toxic and explosive fluid connections - HCBBS Forum
53. Could any senior member help me draw a pipeline diagram for the workshop? The detailed process flow chart and workshop layout are already ready; it’s on a paid basis! - HCBBS Forum
54. What are the selection principles for plug valves? - HCBBS Forum
55. Animation of the working principle of high-pressure stop valves - HCBBS Forum
56. Can wooden supports be used for pipe supports in Class A workshops? - HCBBS Forum
57. What exactly is the wall thickness at this thick and thin section on the single-line diagram? - HCBBS Forum
58. What pressure grades do the nominal pressures (MPa) Y and Z of the pipes in the PID diagram represent? - HCBBS Forum
59. Material selection method for chemical pumps - HCBBS Forum
60. The issue of allowable stress for stainless steel pipes and nickel pipes - HCBBS Forum
61. Which ball valve is suitable for steam and condensate systems - HCBBS Forum
62. 316Ti stainless steel seamless tube - HCBBS Forum
63. Does anyone know the manufacturers of fluorine-lined hemispherical valves? - HCBBS Forum
64. Size issues of spire filters above 4MPa - HCBBS Forum
65. What is the difference between the grade and model of welding electrodes? - HCBBS Forum
66. How to prevent control valves from sticking or getting clogged? - HCBBS Forum
67. Can coal mine emulsions rust? - HCBBS Forum
68. Installation location of swing check valve - HCBBS Forum
69. CAESAR II 2014 jacket modeling - HCBBS Forum
70. I can’t understand the notes on pipeline heat treatment - HCBBS Forum
71. May I ask whether SH3408 stainless steel fittings can be used for high-pressure stainless steel large pipes? - HCBBS Forum
72. May I ask why everyone uses a pair of valves to control simultaneously? - HCBBS Forum
73. Direct-acting pressure reducing valve - HCBBS Forum
74. Problems with using carbon steel pipes in refrigeration systems - HCBBS Forum
75. What’s the issue with welded flanges? - HCBBS Forum
76. Specific steps for valve selection (complete) - HCBBS Forum
77. Can an automatic control valve be connected directly to the manual valves at the front and back? What are the advantages and disadvantages of not using a short circuit? - HCBBS Forum
78. If the pump outlet leads to two paths, will backflow occur? - HCBBS Forum
79. Is it necessary to install a safety valve at the outlet of the vortex pump? - HCBBS Forum
80. Installation and operation of quick-acting blind plates (blind valve) - HCBBS Forum
81. What are the precautions for non-destructive testing of oxygen pipelines that are in use (with fluid inside)? - HCBBS Forum
82. Installation instructions for several types of check valves - HCBBS Forum
83. Solid-containing ball valves often have valve seats designed with scrapers. - HCBBS Forum
84. What type of PTFE gasket should be used when connecting valves with uneven surfaces? - HCBBS Forum
85. Summaries of certain documents and specifications regarding the installation of emergency shut-off valves in tank areas for major hazard sources - HCBBS Forum
86. What does 50% effective area mean in the technical parameters of filter mesh? - HCBBS Forum
87. What causes white clumps in the electric valve actuator? - HCBBS Forum
88. Must the fire sprinkler pipes in the tank area be installed underground? - HCBBS Forum
89. Selection of steam safety valves - HCBBS Forum
90. Direct butt welding of stainless steel and carbon steel pipes - HCBBS Forum
91. I bought the wrong steel pipe, how to fix it - HCBBS Forum
92. How to enter parameters when checking existing spring hangers during stress analysis in CAESAR II 2014 - HCBBS Forum
93. How are the sealing surfaces of triple-eccentric butterfly valves processed? - HCBBS Forum
94. PTFE-lined acid-alkali resistant valve, pneumatic discharge valve - HCBBS Forum
95. How should the material for chemical industry valves be selected? - HCBBS Forum
96. How to calculate the stress conditions of elbow pipe supports? - HCBBS Forum
97. How can one choose a solenoid valve that is suitable for oneself? Which supplier to choose? - HCBBS Forum
98. Problems with the compass - HCBBS Forum
99. For pipes and valves, which is more difficult to handle: water at 10 kilograms of pressure or compressed air at 10 kilograms of pressure? - HCBBS Forum
100. Isn’t there any tetrafluoro blind flange available on the market? - HCBBS Forum