English — Forum #92 (Page 23/87)

1. GBT 20801.1-2020 Code for pressure pipelines – Industrial pipelines – Part 1: General provisions - HCBBS Forum
2. water ring pump - HCBBS Forum
3. Piping supports and hangers are generally selected according to standards - HCBBS Forum
4. I don’t understand the pipeline design specifications; need help - HCBBS Forum
5. Working principle of the slide valve - HCBBS Forum
6. Calculation of compressed air pipeline size and time for transferring liquid materials from storage tanks - HCBBS Forum
7. Cleaning and lubrication of valves - HCBBS Forum
8. Causes of leakage at the valve gasket and methods for prevention and elimination - HCBBS Forum
9. Is it okay to install the valve this way? - HCBBS Forum
10. Application scope of 90-degree right-angled welded elbows - HCBBS Forum
11. What aspects should be considered when selecting ABB TZIDC valve positioners? - HCBBS Forum
12. Technical Regulations for Industrial Pipeline Safety (Draft for Comment) - 202X - HCBBS Forum
13. How to address hydraulic pressure issues with prefabricated welded groove equipment - HCBBS Forum
14. The control valve is partially open on-site, but the signal in the control room shows it to be fully open - HCBBS Forum
15. Maximum flow velocity of water in pipes of different diameters - HCBBS Forum
16. [Help Request] Requirements for the use of pipe branch connection fittings - HCBBS Forum
17. HGT21629-2021 Pipe rack standard drawing - HCBBS Forum
18. Guidelines for selecting safety valves - HCBBS Forum
19. Do flow meters (enclosures) on pressure pipelines require a supervision inspection certificate? - HCBBS Forum
20. GB50316 specifies that galvanized thermal insulation materials must not come into contact with stainless steel pipes - HCBBS Forum
21. Is it better to use a variable-frequency pump for regulation, or a mains-frequency pump with a control valve? - HCBBS Forum
22. Rated air consumption of pneumatic valves - HCBBS Forum
23. Selection of pipeline valves for benzene compounds? - HCBBS Forum
24. What material is used for the internal components of alloy steel valves? - HCBBS Forum
25. What are the requirements for selecting a pressure gauge for the outlet of a metering pump? - HCBBS Forum
26. Process Information Encyclopedia 23 [Valve] List (no attachments) - HCBBS Forum
27. Personal opinion on valve selection - HCBBS Forum
28. How to design ceramic wear-resistant elbows - HCBBS Forum
29. What type of tape should be used for heat transfer oil at 300 degrees? - HCBBS Forum
30. What is the difference between the pipeline sequence number and the sequence number in the pipeline grade? - HCBBS Forum
31. Regarding pneumatic three-way valves - HCBBS Forum
32. Specify whether pipeline components must be labeled according to mandatory standards - HCBBS Forum
33. Pneumatic actuators, contact information for the Italian brand Max-Air - HCBBS Forum
34. Pressure regulating valve suitable for high temperature and high viscosity conditions - HCBBS Forum
35. Ultra-concentrated black liquor valve - HCBBS Forum
36. Sealing type and material selection for the axial movement of the valve shaft - HCBBS Forum
37. Regarding the drawing of the blind flange in the blind flange operation ticket’s diagram showing its location - HCBBS Forum
38. Are valves with bellows seal packing necessary for substances with high toxicity or above? - HCBBS Forum
39. How long does it usually take for a valve to be replaced? - HCBBS Forum
40. C276 stainless steel seamless tube - HCBBS Forum
41. Experts, may I ask what kind of valve this is? - HCBBS Forum
42. What type of valve is suitable for temperatures of 900 degrees and pressures of 40 MPa? - HCBBS Forum
43. GBT 19520.16-2015 Parts 3-100: Basic dimensions of panels, plug-in boxes, enclosures, frames, and cabinets - HCBBS Forum
44. Why are three-eccentric hard-sealed butterfly valves widely used? - HCBBS Forum
45. Animation of the working principle of a rain valve - HCBBS Forum
46. If the wall thickness of stainless steel pipe fittings differs by 3 millimeters and the manufacturer has created an internal bevel, what should be done if defects are detected during inspection? - HCBBS Forum
47. A comprehensive guide to the inspection and installation of valves - HCBBS Forum
48. Bimodal simulation centrifugal pump selection software - HCBBS Forum
49. Development and Application of High-Efficiency Atomization Nozzles in Wet Flue Gas Desulfurization Systems - HCBBS Forum
50. The piping issue – I’ve been struggling with this for a long time - HCBBS Forum
51. What type of valve is used as a high-volume boost valve for VOC treatment? - HCBBS Forum
52. Seeking help regarding the coalbed methane throttle valve JLK65-21 - HCBBS Forum
53. I’ll guide you through the disassembly and assembly of forged steel globe valves, emphasizing the safety precautions to take - HCBBS Forum
54. When a centrifugal pump is used to draw water, many bubbles are formed, which can easily cause the pump to fail to draw water. How can this problem be solved? - HCBBS Forum
55. Seeking the standards for American standard ball valves API608 - HCBBS Forum
56. branch pipe base - HCBBS Forum
57. Why do float-type steam traps leak easily? - HCBBS Forum
58. Regarding the \"flammable liquids\" mentioned in the definition of pressure pipelines, is there any requirement regarding their flash point? - HCBBS Forum
59. Guys, please help take a look - HCBBS Forum
60. Vortex generator characteristics of Yokogawa vortex flowmeters - HCBBS Forum
61. Inspection methods for pressure pipelines - HCBBS Forum
62. A series of policies have been introduced to provide strong support for water conservation in industry - HCBBS Forum
63. Question: A doubt regarding the welding of dissimilar steels? - HCBBS Forum
64. Does the steam fire protection pipeline of the cooling tower originate from the main steam pipe? - HCBBS Forum
65. Valve torque - HCBBS Forum
66. Solid bin valve - HCBBS Forum
67. Methods for protecting outdoor organic solvent process pipelines in the south from high temperatures - HCBBS Forum
68. Difference between metal belt flange guard and metal belt flange seal cover - HCBBS Forum
69. Roughness requirements for the acceptance of metal pipe fittings - HCBBS Forum
70. Are the pipe openings and reductions still appropriate? - HCBBS Forum
71. 13 Questions on the Optimized Design and Installation Details of Steam Pipelines - HCBBS Forum
72. ASME Materials Section - HCBBS Forum
73. Precautions for the installation and maintenance of stainless steel gate valves - HCBBS Forum
74. The issue of straight pipe distance in pressure reduction devices - HCBBS Forum
75. Discussion on valve model issues - HCBBS Forum
76. Why isn’t the size of the elbow in 12459 defined using a radius? - HCBBS Forum
77. Pipe wall thickness calculation - HCBBS Forum
78. Can one with a second-level municipal general contracting qualification and GB1 certification undertake sub-high voltage construction projects? - HCBBS Forum
79. What is the structure of the pure metal seal ring in a butterfly valve? - HCBBS Forum
80. Recommendations for pneumatic valves used for discharging material from reaction vessels - HCBBS Forum
81. When both a control valve and a check valve are installed on a pipeline, which one should be placed first and which one later? - HCBBS Forum
82. 【Haichuan Equipment Guessing Game】Question: What kind of valve is this? What structure? What model? - HCBBS Forum
83. How are the inner diameter of the pipe for this control butterfly valve and the dimensions of the valve body determined? - HCBBS Forum
84. The butterfly valve does not close properly - HCBBS Forum
85. Threaded spool thread issues - HCBBS Forum
86. Video analysis: The working principle of check valves - HCBBS Forum
87. How to distinguish between single-acting and double-acting Siemens valve positioners? - HCBBS Forum
88. Selection of the diameter for self-acting temperature control valves - HCBBS Forum
89. Pipe welding - HCBBS Forum
90. Flexible metal hose \5.0JR25-10000 KZ 304+304 – what does KZ stand for? - HCBBS Forum
91. CAESAR flange verification - HCBBS Forum
92. Calculation of the equivalent pressure on pipe flanges caused by additional external loads - HCBBS Forum
93. Minimum operating temperature of the material - HCBBS Forum
94. What is the structure of the sealing ring in the OHL three-eccentric butterfly valve? - HCBBS Forum
95. Tube sheet, condenser, large flanges, large end caps - HCBBS Forum
96. Analysis of Fault Causes and Treatment Methods for Bellows Globe Valves - HCBBS Forum
97. Regarding the flange cover - HCBBS Forum
98. Pilot-operated safety valve – Explanation of valve knowledge - HCBBS Forum
99. Consultation on comprehensive inspection of pressure pipelines - HCBBS Forum
100. National Training Manual for Pressure Pipeline Designers and Approvers (4th Edition), 2020 - HCBBS Forum