English — Forum #92 (Page 36/87)

1. Length of outlet extension - HCBBS Forum
2. What is the model of the straight-stem gate valve produced by Suzhou Valve Factory, whose valve body and sealing surface are both made of 316L? - HCBBS Forum
3. How to choose between PN16 and PN25 stop valves for steam pipelines with a working pressure of 1.25MPa - HCBBS Forum
4. Analysis of the reasons why the dedicated stop valve cannot be operated - HCBBS Forum
5. May I ask where safety valves must be installed? - HCBBS Forum
6. What type of valve is suitable for use with particles ranging from 0.1 to 0.5 mm flowing in pipes, to prevent clogging? - HCBBS Forum
7. The stop valve stem is broken - HCBBS Forum
8. [Guess the Haichuan Equipment] What equipment is in the red box in the picture? How does it work? - HCBBS Forum
9. Relationship between flow velocity and operating pressure in pipelines - HCBBS Forum
10. Corrosion-resistant needle valve - HCBBS Forum
11. Where are such five-valve assemblies used, and what is their principle of operation? - HCBBS Forum
12. Polyethylene (PE) wrapped structural wall Type A pipe - HCBBS Forum
13. What is the name of this fitting? - HCBBS Forum
14. Pipe wall thickness calculation - HCBBS Forum
15. Seeking help to determine cylinder spring - HCBBS Forum
16. Regarding the thickness of the GD87 tee - HCBBS Forum
17. Selection of valves for drain inlets and vent outlets - HCBBS Forum
18. What valve material should be used for p-tert-butylphenol? - HCBBS Forum
19. Processes to extend the lifespan of valve internals - HCBBS Forum
20. Spectral analysis of alloy steel pipes - HCBBS Forum
21. Looking for a manufacturer of pipe fittings with EN10204 3.1 certification - HCBBS Forum
22. Mnemonic for pipe installation - HCBBS Forum
23. Can lithium-based molybdenum disulfide grease be applied to the valve stem? - HCBBS Forum
24. I need a management system for check valves and technical standards for check valves - HCBBS Forum
25. Is the price of steel pipes based on weight? - HCBBS Forum
26. Boundary problems for GD-type pipes - HCBBS Forum
27. Pilot-operated safety valve - HCBBS Forum
28. Why use square units? - HCBBS Forum
29. Dynamic video of the working principle of forged steel socket weld globe valves - HCBBS Forum
30. Problems with the design of the SW6 flange - HCBBS Forum
31. Insufficient feed to the shielded pump - HCBBS Forum
32. Some issues regarding the classification of pressure pipeline categories - HCBBS Forum
33. Pneumatic on/off valve. - HCBBS Forum
34. Seeking advice on the two-way pressure-resistant structure of flanged butterfly valves - HCBBS Forum
35. How to determine the size of the welding interface at the bottom of the forged steel butt-welded branch pipe seat - HCBBS Forum
36. May I ask about the method of using the pipe bottom elevation in PDMS? - HCBBS Forum
37. Selection of fixed ball valve Q47 Q347 - HCBBS Forum
38. SH 3009-2013 Code for Design of Flammable Gas Emission Systems in Petrochemical Industries - HCBBS Forum
39. Where can I find the negative deviation of the material thickness for C1 in the formula for calculating pipe wall thickness? - HCBBS Forum
40. Standards applicable to DN50×40 reducer - HCBBS Forum
41. For the sulfur dioxide emissions from the flue gas in the sulfur recovery units associated with current natural gas purification plants, is the standard 960 or 400? - HCBBS Forum
42. There’s a problem with installing the control valve this way - HCBBS Forum
43. Are there 16kg float valves? - HCBBS Forum
44. Can a root valve be installed on a boiler safety valve? - HCBBS Forum
45. Preventing the elimination of centrifugal compressor surge - HCBBS Forum
46. Discussion on low-temperature brittle fracture of seamless steel pipes - HCBBS Forum
47. Selection of pipe wall thickness per GBT17395 - HCBBS Forum
48. I would like to ask how to interpret the nameplate of this safety valve? - HCBBS Forum
49. What exactly is the structure of these end face types? - HCBBS Forum
50. For low-temperature valves with a diameter of less than or equal to DN40, should socket welding or butt welding be used? - HCBBS Forum
51. The radiators are connected in parallel, and the supply and return water pipes are unobstructed; all possible adjustment methods have been tried, but the far-end radiators still stay cold. How can this be fixed? - HCBBS Forum
52. What is the difference between a safety valve and a vent pipe? - HCBBS Forum
53. The electric valve was struck by lightning and is now unusable; who will repair it? - HCBBS Forum
54. Questions regarding page P294 of Volume 2 of the Chemical Process Design Manual - HCBBS Forum
55. Elbow direction - HCBBS Forum
56. Regarding domestic and foreign manufacturers of LNG cryogenic valves - HCBBS Forum
57. The system utility tunnel provides load tables for various operating conditions in the structural engineering field - HCBBS Forum
58. Solutions for inaccurate pressure transmitters - HCBBS Forum
59. Selection of flexible connection methods for liquid ammonia storage tanks - HCBBS Forum
60. PLANT3D roaming - HCBBS Forum
61. Valve - HCBBS Forum
62. The function of manholes - HCBBS Forum
63. How is the pipe wall thickness calculated and selected during process design? - HCBBS Forum
64. Ask about the types and properties of ball valve seat materials - HCBBS Forum
65. I have a question regarding the material of flanges - HCBBS Forum
66. How is the selection calculation for control valves done? - HCBBS Forum
67. How much does non-destructive testing for one weld seam generally cost? - HCBBS Forum
68. Gate valve model Z1A22C-S - HCBBS Forum
69. Safe distance between carbon dioxide pipelines and residential buildings - HCBBS Forum
70. Questions regarding the grades of duplex steel castings - HCBBS Forum
71. Are there 30-inch, 17.5-mm-thick seamless steel pipes available? - HCBBS Forum
72. The forum launches SYT 6769.5-2016 Code for Design, Construction and Acceptance of Non-metallic Piping – Part 5: Fiber-reinforced thermoplastics... - HCBBS Forum
73. Code name meaning - HCBBS Forum
74. Does a hydrogen cylinder pressure regulator come with a safety valve? - HCBBS Forum
75. Need help with PID diagrams! What does the ball valve symbol on the PID piping diagram mean? - HCBBS Forum
76. What are the respective advantages and disadvantages of rotary ball valves and butterfly valves? - HCBBS Forum
77. Need help with a safety valve calculation sheet! ! ! Waiting online - HCBBS Forum
78. Water hammer calculation - HCBBS Forum
79. Seeking valve manufacturers (materials resistant to seawater required) - HCBBS Forum
80. Help needed with pipe thermal expansion and stress issues! - HCBBS Forum
81. What is the safe distance between hydrogen pipelines and high-voltage lines? - HCBBS Forum
82. Issues related to the matching of loose-flange fittings in lined pipes - HCBBS Forum
83. Can a water hammer absorber be used in the chemical industry? - HCBBS Forum
84. Threaded pipes and threaded valves - HCBBS Forum
85. What kind of plastic is this transparent gasket made of? It’s not PTFE, right? - HCBBS Forum
86. [Help] Regarding pressure storage tanks, can thick plates be used as a substitute for forgings? - HCBBS Forum
87. Piping (private work) - HCBBS Forum
88. How should one understand the scope of inspection 6 in GB20801? - HCBBS Forum
89. Relief valve on the gas main line of the organic heat carrier boiler - HCBBS Forum
90. Problems with valves for circulating water - HCBBS Forum
91. Piping and installation of steam traps - HCBBS Forum
92. What is the purpose of the hole on the side of the diaphragm valve? - HCBBS Forum
93. Negative pressure in the steam pipeline. - HCBBS Forum
94. Negative pressure visor - HCBBS Forum
95. Detailed explanation of the conversion between Nm³/h and conventional volumetric flow rates - HCBBS Forum
96. Selection and application of pneumatic ball valves, check valves, and angle seat valves downstream of the compressor - HCBBS Forum
97. Is it possible to insert a blind plate between the two flanges as a seal for the pipeline? - HCBBS Forum
98. Can carbon steel valves be used for nitrogen pipelines with a purity of 99.9995%? - HCBBS Forum
99. What is the required bending stress for CF8M? Where can I check it? - HCBBS Forum
100. Valve piping - HCBBS Forum