English — Forum #92 (Page 46/87)

1. (Urgent) I need the masters to help me figure out the actual flow rate and actual head - HCBBS Forum
2. May I ask, for hydrofluoric acid, what type of flange should be used: a necked weld-on flange or a necked butt-weld flange? - HCBBS Forum
3. How to remove a DN1200 gate valve when the copper nut and screw rod are stuck together - HCBBS Forum
4. Ammonia solution using a filter - HCBBS Forum
5. Ball valve model - HCBBS Forum
6. Selection of high-pressure pipe valve brands - HCBBS Forum
7. Installation guide for steam pipeline traps - HCBBS Forum
8. Standard weight of necking tube - HCBBS Forum
9. 【Process Engineering Division – Pipeline and Valve Technology Exchange Forum – Daily Question – Questions 02–21】 - HCBBS Forum
10. Looking for reference materials or books on power station valve design - HCBBS Forum
11. Selection of stainless steel pipe wall thickness - HCBBS Forum
12. Is it necessary to install an exhaust at the high point on the π-bend of the pipe tray? - HCBBS Forum
13. Can flat-welded steel flanges not be connected directly to elbows? ? ? - HCBBS Forum
14. Why is it not suitable for the pipeline pressure testing length to be greater than 1000m? - HCBBS Forum
15. What valves are used in pipelines for analysis? - HCBBS Forum
16. How to systematically learn *piping knowledge - HCBBS Forum
17. Can other types of valves than dn250 gate valves be used in the petrochemical industry? ? Please, expert! - HCBBS Forum
18. Representation of pipe fittings in the axial view of pipelines - HCBBS Forum
19. I urgently need to know what material the following grades are made of; please help, experts. - HCBBS Forum
20. Introduction to flange types and models - HCBBS Forum
21. Illustrated simple calculation method for the short pipe in a elbow - HCBBS Forum
22. Cleanliness control during steam pipeline cutting - HCBBS Forum
23. Ask for the answer - HCBBS Forum
24. Newbie’s question: Does PCV also play a role in PIC and PY control? - HCBBS Forum
25. Problems with the sealing test of bellows valves - HCBBS Forum
26. Problems with welding refrigerant stainless steel pipelines - HCBBS Forum
27. Issues regarding the format of the permit seal for pressure pipeline design - HCBBS Forum
28. Could you please explain the English term for the valve seat of a butterfly valve, Tabpole? - HCBBS Forum
29. Frequent leakage in VCR due to high-purity gas pipeline connections - HCBBS Forum
30. Problems with the branch pipe base - HCBBS Forum
31. Do the pipes on both sides of the pipe gallery truss and the top pipes need to be vented and purged with valves? - HCBBS Forum
32. Check valve with partition - HCBBS Forum
33. Ball valve in assembly – part images - HCBBS Forum
34. Are full-flat flanges still in use nowadays? - HCBBS Forum
35. How is thermal expansion and contraction taken into account in the design of valves? How is this issue controlled in actual use? - HCBBS Forum
36. I would like to ask what the red arrows in these two pictures are for? - HCBBS Forum
37. Electric actuators and pneumatic actuators - HCBBS Forum
38. Flange sealing issue - HCBBS Forum
39. Large hex nut - HCBBS Forum
40. Looking for CAD version of pipe and valve blocks - HCBBS Forum
41. Pipeline weld proportion detection - HCBBS Forum
42. Material selection for extreme environmental temperatures below the lower limit of the material’s operating temperature - HCBBS Forum
43. Weld flaw detection ratio - HCBBS Forum
44. Will liquid accumulate in the buffer ring below the pressure gauge? Check whether the pressure display error is within the allowable range - HCBBS Forum
45. Questions regarding pipeline flaw detection - HCBBS Forum
46. Explosion pressure of the burst disc - HCBBS Forum
47. Regarding the signature requirement for pressure pipeline design - HCBBS Forum
48. Differences between argon-electric welding and downward welding - HCBBS Forum
49. Valve information - HCBBS Forum
50. Which standard specifies the insulation requirements for instruments and valves on thermal pipelines? - HCBBS Forum
51. Import valve code - HCBBS Forum
52. Difference between steel strips and steel plates in submerged arc welded pipes for general conveying fluids - HCBBS Forum
53. Help with valves. . . . . G3/4 ball valve - HCBBS Forum
54. Dear colleagues in the offshore oil industry, I would like to ask some questions regarding the classification of industrial pipelines. - HCBBS Forum
55. D-type gaskets vs C-type gaskets: differences in usage - HCBBS Forum
56. Liquid nitrogen storage tank safety valve - HCBBS Forum
57. Glass reflux condenser - HCBBS Forum
58. Valve seat diameter of the safety valve - HCBBS Forum
59. Minimum flow channel problem of valves - HCBBS Forum
60. Questions regarding valves for ammonia - HCBBS Forum
61. Ask about safety valves - HCBBS Forum
62. Regarding the length of metal bellows - HCBBS Forum
63. Expert in pipeline design - HCBBS Forum
64. How to handle welding-induced damage to the flange surface of a steel-lined fluoroplastic ball valve so as to prevent leakage of the medium? - HCBBS Forum
65. High reward for complete set of drawings for four-bar butterfly valve - HCBBS Forum
66. Corrugated expansion joint - HCBBS Forum
67. Are there any books on the design, calculation, and manufacturing processes of butterfly valves (low-temperature butterfly valves)? - HCBBS Forum
68. Who knows what this pressure control valve is called? - HCBBS Forum
69. Is there a problem with the valve gasket? - HCBBS Forum
70. What is the difference between single-leaf and double-leaf check valves? How to determine which one to use in a particular location? - HCBBS Forum
71. What is the difference between octagonal gaskets and elliptical gaskets? - HCBBS Forum
72. Can the outlet pipe of a centrifugal pump be without a flexible connection? - HCBBS Forum
73. Settlement issues of pipeline crossings through fire dikes in tank farms - HCBBS Forum
74. Doubts about the design of vacuum tubes - HCBBS Forum
75. 【Process Engineering Division – Pipeline and Valve Technology Exchange Forum – Daily Question – Questions 02–18】 - HCBBS Forum
76. What kind of valve is this? - HCBBS Forum
77. In the P&ID, there is a cylinder actuator (? ), what is it for? - HCBBS Forum
78. Are there high-pressure pressure reducers with a DN50 or larger size, an inlet pressure of 40 MPa, and an outlet pressure of 15 MPa? - HCBBS Forum
79. How do I read a spring support bracket? - HCBBS Forum
80. What is the purpose of installing regular drains in superheated steam pipes? - HCBBS Forum
81. High-pressure thick-walled pipes are required - HCBBS Forum
82. Pressure-bearing leak sealing welding process for stainless steel pipes - HCBBS Forum
83. [Process Engineering Division – Pipeline and Valve Technology Exchange Forum – Daily Question – Questions 03–14] - HCBBS Forum
84. Communicative Linguistics* - HCBBS Forum
85. Methods for cleaning fuel oil filters - HCBBS Forum
86. I’ve started working on the pipeline design, but I don’t have any PDS tutorials available; could someone experienced share one with me? - HCBBS Forum
87. Is the nominal diameter corresponding to 1/8 inch DN3 or DN6? - HCBBS Forum
88. Dual-filter - HCBBS Forum
89. Blind flange hydrostatic test - HCBBS Forum
90. Definition of pressure pipeline renovation - HCBBS Forum
91. What is the purpose of installing a diameter change in the propylene temperature measurement pipeline? - HCBBS Forum
92. Questions about flange bolt torque – Do you really dare to use such a low torque for small bolts in practice? - HCBBS Forum
93. What causes the inward deformation of the rubber flexible joint at the pump inlet? - HCBBS Forum
94. What are the requirements regarding the distance between the installation location of pressure pipeline supports and hangers and the pipeline welds? - HCBBS Forum
95. I’m looking for sdep-spt-pe2008; if anyone has this Sinopec standard, please share it with me. I would be extremely grateful. - HCBBS Forum
96. What’s on top of this small buffer tank? - HCBBS Forum
97. Which company makes the best check valves with a pressure difference of less than 1 KPa? - HCBBS Forum
98. Seeking advice on pressure drop issues with control valves - HCBBS Forum
99. What temperature range can the valve of J41W-25P withstand? - HCBBS Forum
100. Where are two-phase flow pipes commonly found? - HCBBS Forum