English — Forum #92 (Page 64/87)

1. What are the hazards of too high a steam flow rate at the heat exchanger interface? - HCBBS Forum
2. Help: Does anyone know how to calculate the pressure loss of a filter? - HCBBS Forum
3. Foundation bolts for fixed-roof tanks - HCBBS Forum
4. Material of circulating water pipes and elbows - HCBBS Forum
5. Pipeline electric heat tracing - HCBBS Forum
6. PDMS modeling - HCBBS Forum
7. As a technical forum, why isn’t anyone creating any technical posts? For example, the valve CV value calculation system talks about... - HCBBS Forum
8. When budgeting, how should the workload for installing the metal sheet seams in pipeline insulation be calculated? - HCBBS Forum
9. Self-operated regulating valve and pressure control valve - HCBBS Forum
10. What is the actual difference in insulation performance for pipes between jacketed and unjacketed types? - HCBBS Forum
11. I would like to ask about the compatibility of hex head bolts and nuts according to HG/T20634-2009 - HCBBS Forum
12. Safety valve installation issues - HCBBS Forum
13. Sliding window control valve - HCBBS Forum
14. Why are crude oil pipelines generally not purged? - HCBBS Forum
15. Meaning of letter codes in technical specifications for steel pipes - HCBBS Forum
16. What are the safety measures for purging and replacing LNG pipelines? Please, expert! - HCBBS Forum
17. How is the length of a flanged gate valve determined? - HCBBS Forum
18. May I ask what are the allowable flow velocity ranges for natural gas process pipelines in the different pressure ranges specified in GB 50228? - HCBBS Forum
19. In which specification are the calculations for heat loss and temperature drop in process insulation pipelines specified? Urgent! ! ! - HCBBS Forum
20. Which brand offers high-quality enamel jacketed (steam) valves? - HCBBS Forum
21. How to deal with a clogged gate valve? - HCBBS Forum
22. Connection methods for gas pipeline valves in chemical plants - HCBBS Forum
23. The duel between the pipe segment table and the axonometric diagram - HCBBS Forum
24. Standards to be adopted for high-pressure pipelines - HCBBS Forum
25. What causes a wafer-type check valve to fail to hold back water? - HCBBS Forum
26. The pneumatic double-acting diaphragm valve cannot be fully closed on its own; it needs to be manually operated to close completely. Seeking help - HCBBS Forum
27. Can stainless steel 304 be used in electrolyte media? - HCBBS Forum
28. The issue of preventing settlement in storage tank piping - HCBBS Forum
29. Selection of pipe fitting materials - HCBBS Forum
30. What is the difference between a pipeline relief valve and a safety valve? - HCBBS Forum
31. The issue of using 10 steel in place of 20 steel - HCBBS Forum
32. I’m seeking help from everyone - HCBBS Forum
33. What are the available specifications for steel plate thickness? - HCBBS Forum
34. Material of electroplating wastewater pipelines - HCBBS Forum
35. How is the inch value converted to nominal diameter in millimeters? - HCBBS Forum
36. Materials for chlorine-containing saline pipelines - HCBBS Forum
37. The issue of using flexible connections at the inlet and outlet of high-temperature heat transfer oil pump pipelines - HCBBS Forum
38. Should the ball valve model for 13Cr/PTFE be Q41F or Q41H? - HCBBS Forum
39. What is the function of the two holes in the middle of this liquid ammonia stop valve? - HCBBS Forum
40. Discussion on the issue of oxygen pipeline branch connections - HCBBS Forum
41. Please tell me about special valves (multi-way slurry valves), thank you - HCBBS Forum
42. Requirements for piping of the serve and receive cylinders - HCBBS Forum
43. There is air in the multi-cylinder plunger metering pump - HCBBS Forum
44. Are there any requirements regarding the installation location of the expansion joint? - HCBBS Forum
45. Do you know the methods for detecting compressed air leaks? - HCBBS Forum
46. Determination of the opening pressure and flow rate of the safety valve - HCBBS Forum
47. Where can I find information on the equivalent diameter of water pipe fittings? - HCBBS Forum
48. Pipeline insulation material - HCBBS Forum
49. When considering substitutions between materials, what aspects should be taken into account? - HCBBS Forum
50. 600 Pipeline Cleaning - HCBBS Forum
51. Online request for help: What material ball valve should be used in hydrogen chloride media - HCBBS Forum
52. Looking for brands of high-temperature and high-pressure water pressure relief valves - HCBBS Forum
53. What does VW-20 mean in the description of butterfly valves? - HCBBS Forum
54. How to classify and manage the received materials and design documents - HCBBS Forum
55. Pipes Lines Tubes - HCBBS Forum
56. Pipe specifications - HCBBS Forum
57. On the principle of pneumatic lift valves - HCBBS Forum
58. Flange standard for Z42W gas gate valve - HCBBS Forum
59. Sloped floor - HCBBS Forum
60. Overcurrent in centrifugal pump, reasons for centrifugal pump tripping - HCBBS Forum
61. What material is the 91FL41Y-25P purge valve made of? - HCBBS Forum
62. Pipeline material - HCBBS Forum
63. Comprehensive guide to 12 types of flanges and sealing surface configurations - HCBBS Forum
64. Design and installation process for acetylene pipelines - HCBBS Forum
65. Seeking automatic control solutions - HCBBS Forum
66. Help request: Where can I download the latest standards? - HCBBS Forum
67. What kind of valve is this? - HCBBS Forum
68. Calculation of steam leakage flow rate through small holes - HCBBS Forum
69. Piping diagram of the vacuum section in the atmospheric and vacuum distillation unit - HCBBS Forum
70. The exhaust valve of the flexible hose is installed in the wrong position, causing fluid to spray out every time it is used for exhaust. How can this problem be solved? - HCBBS Forum
71. Selection of nitric acid-resistant valves. - HCBBS Forum
72. Making a hole in a steam pipe under pressure of 60 kilograms and at a temperature of over 300 degrees - HCBBS Forum
73. Gate valve size issues - HCBBS Forum
74. Methods for preventing fire, explosion, and the accumulation of carbon deposits in compressed air systems - HCBBS Forum
75. Trap selection help - HCBBS Forum
76. Can a solenoid valve replace a pneumatic on/off valve? - HCBBS Forum
77. Is a special permit required to install non-metallic industrial pressure pipelines? - HCBBS Forum
78. Can ultrasonic testing be used instead of radiographic testing for austenitic stainless steel pipes? - HCBBS Forum
79. National standards, American standards, European standards, German standards – it’s a bit confusing,,, - HCBBS Forum
80. Seeking advice on an air circuit diagram - HCBBS Forum
81. Quick-installation, cartridge, flange, threaded – selection of valves - HCBBS Forum
82. Which has a lower pressure drop, a double-disc check valve or a swing check valve? - HCBBS Forum
83. Common causes of failure in stop valves and troubleshooting methods - HCBBS Forum
84. I have a question regarding the KV value of control valves; I’d like to ask the experts for their advice - HCBBS Forum
85. Differences between seamless aluminum tubes and alloy aluminum tubes for round aluminum pipes - HCBBS Forum
86. Standards for reduced-diameter check valves - HCBBS Forum
87. Search for connector standards online - HCBBS Forum
88. Complete English Glossary of Valves - HCBBS Forum
89. Pipeline material selection issue - HCBBS Forum
90. Pipe resistance calculation software - HCBBS Forum
91. Installation of control valve assemblies - HCBBS Forum
92. Are globe valves or gate valves better for steam pipelines? - HCBBS Forum
93. Control valve, whether the execution head is above or below - HCBBS Forum
94. Is it meaningful to install pressure rings at multiple points on the pipe cross-section for pressure measurement? - HCBBS Forum
95. Difference between manual emergency and manual reset for solenoid valves - HCBBS Forum
96. Steam drum safety valve calculation - HCBBS Forum
97. Pipe specification: WHR-D900×10×6000-Q235A – what does this mean? - HCBBS Forum
98. Oxygen safety valve - HCBBS Forum
99. Valve failure modes: What do FI and FR mean? - HCBBS Forum
100. Natural gas heat tracing pipe - HCBBS Forum