English — Forum #92 (Page 32/87)

1. Check valve design technology and drawings - HCBBS Forum
2. Is it necessary to use stainless steel bolts for stainless steel flanges? ? ? - HCBBS Forum
3. How to select the sum of additional thicknesses for calculating the wall thickness of chemical pipelines? - HCBBS Forum
4. Question for help: For valves that are to remain submerged in the Yangtze River water for several months each year, what material would be suitable? - HCBBS Forum
5. Help: Operating pressure of Q41F-64P valve at 150°C - HCBBS Forum
6. Who can tell what material this pipe is made of? Thank you! - HCBBS Forum
7. Can the nozzles of devices connected to pipes withstand the stresses transmitted by the pipes? - HCBBS Forum
8. What is the difference between solenoid valves and control valves? - HCBBS Forum
9. Relationship between the calculated throat area of a safety valve and the selected throat area - HCBBS Forum
10. Steam pipe plug issues - HCBBS Forum
11. I would like to ask the equipment specialists: will installing a tubular wound heat exchanger at the outlet affect the pump outlet pressure? - HCBBS Forum
12. Air cooler above the pipe gallery - HCBBS Forum
13. Form identification of safety valves - HCBBS Forum
14. Valve end face dimensions - HCBBS Forum
15. The grade corresponding to 10 Number steel in the American standard - HCBBS Forum
16. Translation of foreign valves - HCBBS Forum
17. Selection of leak testing medium for designs with a design pressure greater than 6.4 MPa - HCBBS Forum
18. Inspection and Testing of Valves (I) - HCBBS Forum
19. Abbreviation indicating the type of valve - HCBBS Forum
20. The pressure reducing valve vibrates and makes a loud noise. Why? - HCBBS Forum
21. Introduction to Polyurethane Composite Pipes - HCBBS Forum
22. What kind of valve is this? - HCBBS Forum
23. Issues encountered in FIV calculations - HCBBS Forum
24. Could everyone help determine what type of steam trap this is? - HCBBS Forum
25. What tasks are required to add a new branch pipe to a pressure pipeline? - HCBBS Forum
26. What are the top-brand valves for high-pressure steam at the inlet of thermoelectric boilers? - HCBBS Forum
27. The material of the gasket is U+A. What material does U+A refer to? - HCBBS Forum
28. After watching Fire Hero, I have a question – are there valves that can be closed counterclockwise? - HCBBS Forum
29. Selection of pneumatic and electric on-off valves - HCBBS Forum
30. Which standard requires that the transportation of toxic and flammable gases through utility tunnels in the industrial park be carried out at a distance of more than 20 meters from the factory boundary or walls? - HCBBS Forum
31. In a PID diagram, what does the horizontal line on a on/off valve mean? - HCBBS Forum
32. Are there any valves that can replace the RTO lift valve? - HCBBS Forum
33. Foreign drawing code - HCBBS Forum
34. GTAW-Fe II-6G-6/42-FefS-02/11/12 on the welder’s certificate - HCBBS Forum
35. Advantages and disadvantages of choosing a plug valve in slurry containing hard, fine particles! - HCBBS Forum
36. Methods for preventing and eliminating leaks at valve sealing surfaces - HCBBS Forum
37. Hydrophobic station - HCBBS Forum
38. Calculation of water volume for flushing process water pipelines - HCBBS Forum
39. For ammonia use ball valves, fire and static electricity protection are required, as well as copper-free construction; is pressure relief in an intermediate chamber necessary? - HCBBS Forum
40. With side-mounted access holes, can online maintenance really be achieved? - HCBBS Forum
41. Should the valve body of a quick-opening valve be a ball valve or a gate valve? - HCBBS Forum
42. Shanghai Valve Factory Co., Ltd - HCBBS Forum
43. What is the difference between ASMEA Class A and Class B? - HCBBS Forum
44. Elbow radius of curvature measurement - HCBBS Forum
45. Basket filter size standards - HCBBS Forum
46. How to calculate the force exerted by the medium on the valve disc in an axial flow check valve? - HCBBS Forum
47. A opening and closing device that can fit against the tank wall (similar to a louver valve) - HCBBS Forum
48. Where gas pipes and liquid pipes intersect - HCBBS Forum
49. Regarding pipeline construction issues - HCBBS Forum
50. Can a 0.5Mpa saturated steam flange be replaced with a PN16 plate-type butt-weld flange? - HCBBS Forum
51. What are the differences between ball valves, gate valves, and globe valves in terms of valves? - HCBBS Forum
52. Where can I find corrosion data for duplex steel? - HCBBS Forum
53. Does anyone know what this hole on the valve cover is for? - HCBBS Forum
54. Regarding the grouping issue, is there a temperature-reducing pressure regulator produced by the British company CELLEROS FOLW? - HCBBS Forum
55. Performance parameters of the sealing gaskets for TFM series ball valves - HCBBS Forum
56. Is there any difference between ball valve q341f and ball valve q41f in actual use? - HCBBS Forum
57. Seeking help with valve knowledge - HCBBS Forum
58. How is the length of the bolts used for connection calculated? How is the bolt length at a loose-flange connection calculated? - HCBBS Forum
59. Why aren’t carbon steel flanges and carbon steel elbows the same color? - HCBBS Forum
60. Screw-type stirring for crystallization - HCBBS Forum
61. PVC pipe expansion and deformation - HCBBS Forum
62. Comparison of the application of 888 desulfurization catalyst and tannin desulfurization catalyst in the desulfurization of semi-water gas - HCBBS Forum
63. Are there safety valves with sensors? - HCBBS Forum
64. Recommended domestic valve manufacturers - HCBBS Forum
65. What is required to apply for a pressure vessel manufacturing license? - HCBBS Forum
66. Calculations regarding the temperature and pressure reduction device - HCBBS Forum
67. Iterative calculation of compressible fluid drag using Köhler’s formula - HCBBS Forum
68. Installation issues with H76 type disc check valve 2 - HCBBS Forum
69. Marine friends, come and explain the safety valve - HCBBS Forum
70. What material is 17-7? - HCBBS Forum
71. Quality issues after pipeline galvanizing - HCBBS Forum
72. Pipeline cathodic protection – design, installation, and operation - HCBBS Forum
73. Dynamic video of the working principle of gate valves - HCBBS Forum
74. Pipe wall thickness - HCBBS Forum
75. Traffic unit conversion - HCBBS Forum
76. What is the difference between ASTM A106M and ASME B36.10M? - HCBBS Forum
77. Do pipes not have a pressure rating? - HCBBS Forum
78. Installation of water delivery valve - HCBBS Forum
79. Pipeline resistance calculation - HCBBS Forum
80. Which pipe material can withstand higher temperatures? - HCBBS Forum
81. Safety valve type test - HCBBS Forum
82. Questions regarding pipeline pressure, flow rate, velocity, and diameter changes - HCBBS Forum
83. Regarding the layout of pipes in utility tunnels - HCBBS Forum
84. Help: What is the national standard for pipes made of material N08904? Urgent reply needed - HCBBS Forum
85. What are the main factors affecting valve sealing? - HCBBS Forum
86. Natural gas pipeline crossing issues - HCBBS Forum
87. Questions regarding the size differences between PN10 series flanges and PN16 series flanges - HCBBS Forum
88. I would like to ask everyone, what are the large and small convex and concave surfaces as well as the tenon and mortise surfaces in B16.5? - HCBBS Forum
89. Dynamic video of the working principle of V-type ball valves - HCBBS Forum
90. How to select pipe supports for slope pipes - HCBBS Forum
91. PID - HCBBS Forum
92. I would like to know what the structure is of this check valve with a bypass - HCBBS Forum
93. Seeking high-temperature resistant pipes (1000 degrees) - HCBBS Forum
94. Valve maintenance author (Su) Imbritsky - HCBBS Forum
95. Dynamic video of the working principle of manual flanged ball valves - HCBBS Forum
96. Negative pressure sampling valve - HCBBS Forum
97. Check valve position issue - HCBBS Forum
98. Standards for halogen content requirements in stainless steel contact materials - HCBBS Forum
99. 【Haichuan Equipment Guessing Game】One valve stem pulls two, with a regular shape and a large belly - HCBBS Forum
100. Pressure pipeline supervision and inspection rules TSG D7006 - HCBBS Forum