English — Forum #92 (Page 65/87)

1. Valve low-pressure sealing test - HCBBS Forum
2. Drawing method for eccentric inclined tee diagrams - HCBBS Forum
3. I’m having trouble understanding the pipe grade numbers and pipe levels/categories in the pipe specification table; I need help. - HCBBS Forum
4. Ball valve rear seal - HCBBS Forum
5. How to protect valves in frozen conditions - HCBBS Forum
6. Large-diameter centerline butterfly valve - HCBBS Forum
7. Pacific Valve nameplate identification - HCBBS Forum
8. On the selection of pipeline materials for extremely cold regions - HCBBS Forum
9. Issues related to low-temperature and low-stress conditions in the draft of GB20801.2 - HCBBS Forum
10. Analysis of the inability to manually operate ball valves, gate valves, and globe valves - HCBBS Forum
11. Which domestic valve companies have obtained SIL2 or SIL3 certification? - HCBBS Forum
12. For domestic II-series pipes, isn’t the wall thickness indicated by sch? - HCBBS Forum
13. Regarding the wall thickness of ball valve bodies - HCBBS Forum
14. Have questions about using welded steel pipes for large-diameter pipelines under low-temperature and low-pressure conditions? - HCBBS Forum
15. Questions regarding the selection of pipe size series for chemical process piping - HCBBS Forum
16. Traffic issue - HCBBS Forum
17. Valve production license - HCBBS Forum
18. Calculation of seamless pipe wall thickness - HCBBS Forum
19. Questions regarding the delivery time for imported valves~~~ - HCBBS Forum
20. How to choose the wall thickness of pipes based on the pressure and temperature specified in the process - HCBBS Forum
21. Control of pre-tightening force during the installation of control valves - HCBBS Forum
22. Is the installation of pipe hangers compliant with standards? - HCBBS Forum
23. Vacuum-resistant stainless steel hose - HCBBS Forum
24. What are the special requirements for installing electric butterfly valves? - HCBBS Forum
25. Seeking advice on valve prices - HCBBS Forum
26. Standard number for flat cover end caps - HCBBS Forum
27. Reinforcement calculation - HCBBS Forum
28. Torque safety valve factor for selecting pneumatic ball valve actuators - HCBBS Forum
29. Leakage class of metal hard-sealed ball valves - HCBBS Forum
30. The issue of matching the pressure rating of the pipeline with that of the flange - HCBBS Forum
31. Distinguish between valve internals/seals? - HCBBS Forum
32. HG/T 20660-2017 - HCBBS Forum
33. As shown in the picture, do the experts know what GF means again? - HCBBS Forum
34. Low-temperature valve manufacturers - HCBBS Forum
35. What is SA182 F5 in terms of domestic material classification? - HCBBS Forum
36. Reasons for using long-neck valve caps in low-temperature valves - HCBBS Forum
37. Difference between gate valves and globe valves (Repost) - HCBBS Forum
38. I wonder why this pipe was designed this way? - HCBBS Forum
39. Do not display resource tags - HCBBS Forum
40. Four key characteristics for selecting solenoid valves - HCBBS Forum
41. Arrangement of dry air coolers and wet air coolers - HCBBS Forum
42. Who has CAD software with a complete set of drawings for pipe fittings and flanges? - HCBBS Forum
43. Storage tank vent valve - HCBBS Forum
44. What does e/H mean for electro-hydraulic control valves? ? Help! ! - HCBBS Forum
45. Can carbon steel cast steel valves be used in the low-temperature conditions of winter in the northeast? - HCBBS Forum
46. How to adjust the stroke of Tianjin Jinbo machinery? - HCBBS Forum
47. The oxygen pipeline is secured with U-shaped clamps, but these clamps are quite loose; as a result, the pipeline vibrates and the paint wears off due to friction, and there is a risk of leakage due to this wear. The pressure is around 2 MPa - HCBBS Forum
48. Hot tightening of high-temperature and high-pressure pipeline bolts - HCBBS Forum
49. Is the yellow color of the inner and outer rings of the gasket due to galvanizing of carbon steel? - HCBBS Forum
50. Who has the grades and parameters for high-silicon austenitic stainless steel? - HCBBS Forum
51. Gasket material RF34, RF46 - HCBBS Forum
52. Searching for manufacturers of continuous blowdown control valves for boilers - HCBBS Forum
53. Bolt length selection - HCBBS Forum
54. Is it more difficult to open and close a valve when there is back pressure? - HCBBS Forum
55. Regarding whether rubber expansion joints are considered pressure pipeline components - HCBBS Forum
56. What systems are high-temperature and high-pressure differential control valves, for which domestic production has not yet been achieved in the petrochemical industry, used in? - HCBBS Forum
57. Need help with valve selection – experts, please give some advice! - HCBBS Forum
58. I have a question regarding the supports for steam pipes in system pipelines - HCBBS Forum
59. Issues regarding SH/T3406 flanges and fasteners - HCBBS Forum
60. Regarding the pneumatic pressure test of IG541 gas fire extinguishing pipelines - HCBBS Forum
61. What are the applications and scenarios for shock-absorbing throats? - HCBBS Forum
62. Design and Engineering Applications of Industrial Metal Pipes — Song Kekē - HCBBS Forum
63. Determination of the upward and downward direction of pipes in pipeline layout diagrams - HCBBS Forum
64. Back pressure valves and control valves are used in the liquid addition pipeline - HCBBS Forum
65. What is the difference between a flow restriction orifice plate and a pressure reduction orifice plate? - HCBBS Forum
66. Relationship between gas flow velocity and cross-sectional area - HCBBS Forum
67. Plug valve (with control cone) - HCBBS Forum
68. Classification of anti-corrosion coatings on a single-line diagram? - HCBBS Forum
69. The device itself uses a through-bore ball valve, as the medium flowing inside the pipeline tends to form deposits on the walls, causing the valve to fail to close properly. Can this problem be solved by selecting an appropriate type of valve? For reference, the pipe is 10” 150# - HCBBS Forum
70. Examination Content for the 2018 Pressure Pipeline Designers Training Course (Taiyuan) - HCBBS Forum
71. The pressure relief valve in high-pressure oxygen pipelines – experts, please assess the risks associated with its use - HCBBS Forum
72. The issue of direct air leakage between the main vent pipe and various branch exhaust pipes - HCBBS Forum
73. What is the definition of a control valve attachment line? Which expert knows? It needs to be based on some evidence - HCBBS Forum
74. S-zorb unit Regenerator startup charge Feed leg Runaway material - HCBBS Forum
75. All sea friends who can recommend reputable manufacturers of valves and other products for oil depots will receive significant bonus points - HCBBS Forum
76. Question regarding pipeline pressure resistance - HCBBS Forum
77. There are strange issues with the operation of the DEG pipes in our company - HCBBS Forum
78. Is a certificate or special certification required to supply fiberglass-reinforced plastic pipes to chemical plants? Thank you - HCBBS Forum
79. Discussion on the fixation of steam pipes - HCBBS Forum
80. Do flanges and valves come in large outer diameter and small outer diameter versions? - HCBBS Forum
81. Estimation of the on/off time for pneumatic valves - HCBBS Forum
82. 『Original by HaiChuan Translation Team』Effective flow area of the pressure relief valve - HCBBS Forum
83. Spring model - HCBBS Forum
84. Why aren’t wooden blocks used for the pipe supports of insulated pipes? - HCBBS Forum
85. Piping knowledge - HCBBS Forum
86. The same flange has different pressure ratings - HCBBS Forum
87. Valve positioner failure - HCBBS Forum
88. Heat exchanger temperature rise and coking - HCBBS Forum
89. What are FLE*BLE and WELDOLET? - HCBBS Forum
90. Is heat treatment required for TP347 pipes after welding? - HCBBS Forum
91. Regarding the gate valve bonnet bolts - HCBBS Forum
92. What material should be chosen for compressed air pipelines? - HCBBS Forum
93. Do you know how many different ways there are to connect valves to pipelines? - HCBBS Forum
94. Minimum pressure for opening the check valve - HCBBS Forum
95. Duct design issues - HCBBS Forum
96. How to calculate the cutting dimensions for steel plate rolled flanges. - HCBBS Forum
97. Chemical plant layout diagram - HCBBS Forum
98. Do stop valves have the function of regulating pressure? ? - HCBBS Forum
99. Operation of control valves - HCBBS Forum
100. Quality of drinking water - HCBBS Forum