English — Forum #92 (Page 21/87)

1. Layout of low-pressure steam pipes in the plant area! - HCBBS Forum
2. Problems with gaskets in jacketed tubes and their combination methods - HCBBS Forum
3. Piping design - HCBBS Forum
4. Who has the electronic versions of \"Pipeline Stress Analysis and Vibration Noise Control\" and \"Pipeline Stress Analysis and Engineering Applications\"? - HCBBS Forum
5. Seeking help with creating pipe expansion drawings - HCBBS Forum
6. What are the reputations of these three types of valves: Shanghai Yahan, KAIWEIXI, and SIMAK? - HCBBS Forum
7. Causes of leakage at valve sealing surfaces and solutions - HCBBS Forum
8. Is there a standard number for the table of structural dimensions for valves (national standard)? - HCBBS Forum
9. Steam pipeline pier - HCBBS Forum
10. How to perform non-destructive testing on the socket welds between the main pipes and branch pipes in pressure pipelines - HCBBS Forum
11. What kind of valve is this? - HCBBS Forum
12. Animation of the working principle of the Y-type pipe discharge valve - HCBBS Forum
13. PN16, the nominal pressure is 16MPa, or 16kg? - HCBBS Forum
14. Could the experienced technician explain the difference between vacuum valves and ordinary valves in the simplest terms possible? - HCBBS Forum
15. Valve - HCBBS Forum
16. How to manage and maintain steam system traps in factories - HCBBS Forum
17. Solution for surface roughness of the steam purge target plate - HCBBS Forum
18. Chemical industry standard HG20615 imposes restrictions on the use of socket flanges; then why are there no such restrictions on socket fittings? - HCBBS Forum
19. Installation specifications for pump inlet and outlet pipes - HCBBS Forum
20. Should the test pressure value for the hydraulic testing of pressure pipelines be determined by the designer or the construction party? - HCBBS Forum
21. Can gas pipelines transport gas at a constant flow rate and constant pressure? - HCBBS Forum
22. Is it feasible to construct 340 meters of prefabricated directly-buried steam pipelines with steel casing using jacking method? - HCBBS Forum
23. Installation and use of vent valve on gas station fuel tank vents - HCBBS Forum
24. How many mm need to be cut off from the steel pipe or steel plate after flame cutting? - HCBBS Forum
25. Why are check valves with diameters of DN15-DN40 generally lift-type? - HCBBS Forum
26. Can 15CrMoG pipes meet the requirements of both GB 5310 and GB 6479? - HCBBS Forum
27. The fourth edition (Volume 1 and Volume 2) of the valve product catalog is no longer available for download; thank you all - HCBBS Forum
28. Main reasons affecting valve sealing - HCBBS Forum
29. Positioner exhaust issue - HCBBS Forum
30. Deformation issues of expansion joints - HCBBS Forum
31. Issues related to the construction of water supply and drainage pipelines - HCBBS Forum
32. Regarding valve pressure testing and sealing issues - HCBBS Forum
33. Gate valve body cracked chip - HCBBS Forum
34. Core components of hydrogen refueling stations: high-pressure explosion-proof solenoid valves, filters - HCBBS Forum
35. Why does the operating resistance of small-diameter ball valves decrease significantly? - HCBBS Forum
36. Issues with pipeline flow rate and velocity - HCBBS Forum
37. Material matching issues for pipes and fittings - HCBBS Forum
38. The distance between the cabinet and the wall - HCBBS Forum
39. Detailed differences between safety valve and security valve - HCBBS Forum
40. Issues regarding the installation of piston pneumatic valves - HCBBS Forum
41. Pipedata-Pro 14.0 - HCBBS Forum
42. What gaskets can be overlapped and reused? - HCBBS Forum
43. Find a teacher who teaches single-line diagrams - HCBBS Forum
44. The three specifications related to the construction acceptance of metal pipes are confusing. - HCBBS Forum
45. SUS316/SF – what does SF stand for? - HCBBS Forum
46. What causes steam to come out from inside the elbow box door? - HCBBS Forum
47. LNG pipeline safety vent valve - HCBBS Forum
48. Problems with bolts and studs - HCBBS Forum
49. Why are there no flange dimensions for PN10 flanges of HG20592 from the Ministry of Chemical Industry with a diameter of over DN600? - HCBBS Forum
50. 347H stainless steel seamless tube - HCBBS Forum
51. How are Adams’ valves? - HCBBS Forum
52. Technical requirements for 90-degree ceramic wear-resistant elbows - HCBBS Forum
53. An official response has finally been given to the question of whether pipeline pump filters require electrostatic grounding facilities - HCBBS Forum
54. Valve replacement - HCBBS Forum
55. Why do leaks occur easily after insulation is applied to areas such as the flanges of control valves and flow meters, the long-bolt clamp flanges, and the steel ring seals? - HCBBS Forum
56. What is the standard diameter for the exhaust pipe of the explosion-proof membrane? - HCBBS Forum
57. Why is one end of the discharge valve larger and the other smaller? - HCBBS Forum
58. Chemical industry cases involving screw pumps – take a look - HCBBS Forum
59. A brief discussion on the causes and hazards of valve leaks in oil depots – ball valves - HCBBS Forum
60. Issues regarding the design and supervision inspection of pressure pipelines - HCBBS Forum
61. Minimum diameter of fiberglass reinforced plastic pipes - HCBBS Forum
62. Is it necessary to install a safety valve on high-pressure liquid delivery pipelines? - HCBBS Forum
63. Are butterfly valves with a maintenance compartment considered top-mounted butterfly valves? - HCBBS Forum
64. Seeking information on the installation of metal flexible connections - HCBBS Forum
65. Does the material of the blind plate affect its thickness? - HCBBS Forum
66. 317L stainless steel seamless tube - HCBBS Forum
67. There are an increasing number of pipes made from various high-nickel alloy specialty materials! - HCBBS Forum
68. 310S stainless steel seamless tube - HCBBS Forum
69. Slight leakage at the flange seal surface of the oil tank drain tray - HCBBS Forum
70. 150 holes drilled in DN1000 pipeline - HCBBS Forum
71. Control Valve – Explanation of Valve Knowledge - HCBBS Forum
72. Causes of failure and solutions for pneumatic ball valve actuators - HCBBS Forum
73. Is a hot water pipeline a pressure pipeline? - HCBBS Forum
74. 【Haichuan Equipment Guessing Game】Help: What is this called? Throttle orifice plate? What is the sealing type? No gasket - HCBBS Forum
75. What standard does a steel pipe with an outer diameter of 54 correspond to? - HCBBS Forum
76. Consultation on vent valve backpressure issues - HCBBS Forum
77. How can one determine the quality of these three flanges? - HCBBS Forum
78. [Valve Product Catalog] [4th Edition][Volume 1/2] - HCBBS Forum
79. Gate Valve – Explanation of Valve Knowledge - HCBBS Forum
80. Methods to reduce leakage losses in steam traps - HCBBS Forum
81. What precautions should be taken when using and installing wafer-type check valves? - HCBBS Forum
82. Measures to reduce the thrust on the fixing brackets of bellows expansion joints - HCBBS Forum
83. The difference between pipe and tube - HCBBS Forum
84. Performance and quality of valves from certain brands - HCBBS Forum
85. Structural analysis and working principle of plastic globe valves - HCBBS Forum
86. Are there any standard specifications regarding whether gaskets should be used with the flange bolts of valves? - HCBBS Forum
87. Ceramic wear-resistant elbow pipeline design - HCBBS Forum
88. Check stop valve - HCBBS Forum
89. Impact of the upgrade to oxygen valve standards - HCBBS Forum
90. A company’s valve pressure testing procedures - HCBBS Forum
91. Welding quality requirements for acetylene pipelines (operating pressure 4–7 KPa) - HCBBS Forum
92. How are Simak valves? - HCBBS Forum
93. What material should be used for valves dealing with concentrated sulfuric acid at around 200°C? - HCBBS Forum
94. Water supply and drainage issues - HCBBS Forum
95. Requirements for vent valve leakage in API2000 - HCBBS Forum
96. What surface treatment can be applied to 45 steel to resist organic exhaust gases such as VOCs? - HCBBS Forum
97. Leak prevention for valves at the bottom of stainless steel storage tanks - HCBBS Forum
98. Working principle of screw pump - HCBBS Forum
99. What is the reverse pressure rating in kilograms for a three-eccentric butterfly valve? - HCBBS Forum
100. What is the hardness of 304 surface nitriding, STL21, and 718 materials? - HCBBS Forum