English — Forum #92 (Page 24/87)

1. Why is the test pressure for this pipeline greater than 1.5 times - HCBBS Forum
2. Incoloy 800 seamless tubes - HCBBS Forum
3. Self-acting control valve - HCBBS Forum
4. Are gas pipelines pressure pipelines? - HCBBS Forum
5. Installation, inspection, and maintenance of storage tank vent valves - HCBBS Forum
6. Who can help me explain these two gaskets? - HCBBS Forum
7. What are the stator and rotor of a canned motor pump? Do all the guys have photos? - HCBBS Forum
8. Needle-type throttle angle valve - Explanation of valve knowledge - HCBBS Forum
9. What are the licensing levels and scope for pressure pipelines in the new TSG07-2019? - HCBBS Forum
10. The owner went to the valve (control valve) factory for an inspection - HCBBS Forum
11. Issues regarding pressure pipelines in the catalog of special equipment - HCBBS Forum
12. Selection of control valves - HCBBS Forum
13. Why is a flange added after the position package is welded? - HCBBS Forum
14. Can 20# steel be used for the domestic water pipelines in power plants? - HCBBS Forum
15. Is a PTFE gasket required when installing molded PTFE pipes? - HCBBS Forum
16. Leakage at the butterfly valve shaft head - HCBBS Forum
17. Has anyone used this Nuoguan solenoid valve? - HCBBS Forum
18. Butterfly Valve – Explanation of Valve Knowledge - HCBBS Forum
19. The hydraulic test pressure for pipelines is higher than the nominal pressure - HCBBS Forum
20. The issue of the inspection ratio for buried metal pipelines in CJJ33-2005 - HCBBS Forum
21. What is the difference between bolt tensioning and torque application? - HCBBS Forum
22. What material is used for sealing crude oil pipelines passing through fire dikes? - HCBBS Forum
23. 904L stainless steel seamless tube - HCBBS Forum
24. Help: What is the purpose of the parallel air circuit for the pneumatic control valve in the image? - HCBBS Forum
25. Methods for switching between high and low pressure in vertical centrifugal pumps and selection of pipe diameter - HCBBS Forum
26. Animation of the working principle of a breathing valve - HCBBS Forum
27. Consultation on the repair of V-type control ball valves - HCBBS Forum
28. What kind of valve is this? - HCBBS Forum
29. Who has a password-free version of the “CADworx Pipe Design: From Basics to Mastery Video Tutorial”? - HCBBS Forum
30. Structure and installation method of high-pressure resistant check valves - HCBBS Forum
31. Problems with the use of eccentric flanges - HCBBS Forum
32. The new regulations eliminate GC3; the re-inspection standards for the originally designed GC3 pipelines remain in effect - HCBBS Forum
33. Adhesive for wear-resistant ceramic tiles - HCBBS Forum
34. Animation of the working principle of an automatic backwash filter - HCBBS Forum
35. Structure principle and application selection of flame arresters - HCBBS Forum
36. I don’t understand why the diameter of the main pipe at the temperature and pressure measurement points on the ammonia pipeline changed from 3 inches to 6 inches! - HCBBS Forum
37. How to determine whether a pipeline has undergone low-temperature impact testing - HCBBS Forum
38. Why can’t the specifications be downloaded? Is there a fee now? - HCBBS Forum
39. Let’s provide some information on the welding requirements for pipe branch connections and the qualifications required for welders - HCBBS Forum
40. Looking for CAD tutorial videos - HCBBS Forum
41. Questions regarding check valves, directional control valves, and hold-down valves - HCBBS Forum
42. Reasons for corrosion at the elbow behind the steam trap - HCBBS Forum
43. I would like to ask an expert about the connection issues between metering pumps and safety valves as well as backpressure valves. - HCBBS Forum
44. Fire water pipeline pressure relief valve - HCBBS Forum
45. Has anyone seen this type of plastic tube used in vacuum systems? - HCBBS Forum
46. Pipeline layout issues related to fire protection codes - HCBBS Forum
47. Ranking of seamless steel pipe standards from high to low - HCBBS Forum
48. Should the design pressure of the GC1 pipeline be higher than the discharge pressure at which the safety valve activates? - HCBBS Forum
49. In the valve structure types BB, NL, SHORT PATTERN, what does NL stand for? - HCBBS Forum
50. three-way valve - HCBBS Forum
51. Spring-loaded safety valve – Explanation of valve knowledge - HCBBS Forum
52. Help! Steam pressure: 0.8. Methods to reduce it to 0.05–0.09 MPa. Thank you - HCBBS Forum
53. Do you have any friends who can do bypass pipes? - HCBBS Forum
54. Is it necessary to provide heat tracing for the breather valve on the sulfolane storage tank? - HCBBS Forum
55. Does excessive silicon content in A105 material butt weld flanges affect their usability? - HCBBS Forum
56. When purging pipelines, do water pipes without pressure-boosting equipment in the water tank need to be equipped with solenoid valves? - HCBBS Forum
57. About the standard selection of flanged pup joints - HCBBS Forum
58. Ceramic C valve is easy to crystallize and scale, and is a killer of large particles, protecting your device. - HCBBS Forum
59. I would appreciate some advice from experts regarding the span issue of square flues - HCBBS Forum
60. Questions regarding pipe wall thickness and valve wall thickness - HCBBS Forum
61. Centrifugal pump inlet and outlet connection flanges - HCBBS Forum
62. Wear-resistant elbow manufacturing process - HCBBS Forum
63. Analyze the advantages, disadvantages, and installation considerations of fluorine-lined stop valves - HCBBS Forum
64. Common valve installation knowledge and applications - HCBBS Forum
65. Common problems during the commissioning of Siemens PS2 valve positioners - HCBBS Forum
66. Seeking advice - HCBBS Forum
67. Must the materials for pipes and flanges be the same? - HCBBS Forum
68. Oxygen pipeline material issues - HCBBS Forum
69. How to choose electric ball valves and electric butterfly valves in a more rational and cost-effective manner - HCBBS Forum
70. There is a type of welding wire labeled H08CrMoA; what does the letter “A” stand for? - HCBBS Forum
71. For the exhaust gas pipelines in the exhaust gas treatment system within the plant area, should they be installed by the process piping specialists or the HVAC specialists? - HCBBS Forum
72. Proper use of pilot-operated steam pressure regulators - HCBBS Forum
73. Pipeline Stress Analysis and Calculation—a classic book that provides very detailed explanations on the fundamental calculations related to pipeline stress - HCBBS Forum
74. Butterfly valve - HCBBS Forum
75. Why use two solenoid valves? ? What does gas path mean? - HCBBS Forum
76. What is the purpose of a double-acting fail-safe valve? - HCBBS Forum
77. Is it necessary to install a safety valve on the low-pressure pipeline at the outlet of the pressure control valve? - HCBBS Forum
78. 【Haichuan Pipeline Construction】How to temporarily fix the gaskets for large-diameter flanges? - HCBBS Forum
79. What does JOY mean in the model numbers of high-temperature valves? - HCBBS Forum
80. Vacuum tube equipped with safety control devices - HCBBS Forum
81. Working principle and selection of electric butterfly valves - HCBBS Forum
82. Problem of regulating flow with gate valves - HCBBS Forum
83. Question: Have you seen this type of valve before? - HCBBS Forum
84. Precautions for pneumatic ball valves in harsh operating conditions - HCBBS Forum
85. Pipeline calculation - HCBBS Forum
86. Metal pipe flanges for flammable and explosive materials - HCBBS Forum
87. The control valve opens fully automatically in the absence of a signal - HCBBS Forum
88. Chemical plant piping issues - HCBBS Forum
89. I want to create a technical exchange group for cyclohexylamine - HCBBS Forum
90. Rosemont’s explosion-proof design - HCBBS Forum
91. Safety protection measures for viewports - HCBBS Forum
92. What is the safe distance between Class A tank areas and pipe rack structures? Could some expert help explain this? - HCBBS Forum
93. Gate plate structure type - HCBBS Forum
94. Questions regarding the calculation of reinforcement strength - HCBBS Forum
95. 【Question】For which media is it necessary to degrease valves? - HCBBS Forum
96. Animation of the working principle of the six-way ball valve - HCBBS Forum
97. 【History of Haichuan Pipes】Precast Cement Pipes - HCBBS Forum
98. Where can I order the new version of the HG/T21629 standard drawings for pipe racks? - HCBBS Forum
99. Issues regarding the reduction of static pressure by water supply pipeline pressure regulators - HCBBS Forum
100. Precious---Display of the double-eccentric ball valve structure and its working principle - HCBBS Forum