English — Forum #92 (Page 34/87)

1. Application documents, planning materials, and application procedures for the construction of centralized heating (steam) pipeline networks in industrial parks? - HCBBS Forum
2. Which has better sealing performance, NPT threads or R threads? - HCBBS Forum
3. What is the corrosion resistance of Stellite alloy? - HCBBS Forum
4. Training Course for Pressure Pipeline Designers (Nanjing Session) – 2019 – Self-provided codes - HCBBS Forum
5. How can gas on-valves and gas off-valves be distinguished by appearance? - HCBBS Forum
6. An octagonal pad that’s so hard and completely inflexible – how can it be used as a gasket? - HCBBS Forum
7. Problems with the design specifications for Phase 1 - HCBBS Forum
8. Why are dual-site level gauges used in steam flash tanks? - HCBBS Forum
9. Pipe markings on drawings - HCBBS Forum
10. Plugging leaks under pressure for high-pressure steam weld toe cracks - HCBBS Forum
11. How to determine the flow direction of a three-way valve and the structure of deaerator accessories - HCBBS Forum
12. Regarding the adjustment of system traffic distribution - HCBBS Forum
13. How to understand the truncation and isolation of DBB and DIB valve seats? - HCBBS Forum
14. Regarding single-line diagram fitting issues - HCBBS Forum
15. Arcing, testing current, or welding of temporary supports is not permitted on the surface of alloy steel - HCBBS Forum
16. Factors Affecting the Proper Operation of Control Valves and Countermeasures - HCBBS Forum
17. The difference between hydrocracking and wax oil hydrogenation - HCBBS Forum
18. Do pipe supports and pipes need to be fully welded? - HCBBS Forum
19. Specification requirements for connecting branch pipes from the main pipe - HCBBS Forum
20. How to deal with self-cooling and tightening of pipes? - HCBBS Forum
21. Building explosion protection - HCBBS Forum
22. How to estimate the wall thickness of pipes and the thickness of thread grooves - HCBBS Forum
23. Can raised-face flanges be used in combination with flat-face flanges? - HCBBS Forum
24. Analysis of Sealing Problems in High-Temperature Butterfly Valves - HCBBS Forum
25. I have some questions regarding the design of steam ducts; I hope experts can help answer them - HCBBS Forum
26. High-pressure Zilan steel gasket - HCBBS Forum
27. Forms from the 2017 edition of the Completion Acceptance Manual for Onshore Oil and Gas Field Construction Projects - HCBBS Forum
28. What are the causes of valve leakage and what are the solutions? - HCBBS Forum
29. HG21629 A1-2 What is the difference between type I and type II? - HCBBS Forum
30. At the commissioning site of the weight-type check butterfly valve, how many people have seen this type of valve? - HCBBS Forum
31. Structure and principle of electric actuators - HCBBS Forum
32. Table of basic pipe span lengths - HCBBS Forum
33. Specifications for necked butt-weld flanges - HCBBS Forum
34. Ball valves must be installed on horizontal pipelines - HCBBS Forum
35. 1E0, 2E0 Why were they canceled? - HCBBS Forum
36. Installation of safety valve pipeline supports - HCBBS Forum
37. Where should the gasket for the air source pressure regulator be placed? Please, masters, tell me how to send a structural diagram so it’s easier to locate the location. Thank you! - HCBBS Forum
38. During the pressure test with a casing at 12 kilograms, the steel pipe inside collapsed - HCBBS Forum
39. Have you attended any training sessions led by Teacher Tian Deyong? - HCBBS Forum
40. Why are fluorinated pipes and fittings so expensive? - HCBBS Forum
41. Valve pressure-temperature rating - HCBBS Forum
42. Fully lined PPL valve - HCBBS Forum
43. Map scale - HCBBS Forum
44. Refrigeration principle of ammonia coolers - HCBBS Forum
45. What type of expansion joint is shown in the image below? - HCBBS Forum
46. Why can hoses made of PU and steel wire prevent static electricity buildup? - HCBBS Forum
47. Special combination of two flanges: the butt-welded ends are welded together and clamped, with a gap left - HCBBS Forum
48. Can non-metallic pipes be used for pressure pipelines? - HCBBS Forum
49. Pressure 400 kilograms, temperature 185 degrees, what standard should be used for the flanges? - HCBBS Forum
50. Changes in the definition of flammable liquids in GB20801.1-2020 - HCBBS Forum
51. Problems with surface treatment of bolts and nuts - HCBBS Forum
52. How to install, calculate, and select safety valves for superheated steam pipelines - HCBBS Forum
53. I have just started working in the valve sales industry; the company is located in Sichuan, and I’m a bit lost right now. I’m looking for some advice - HCBBS Forum
54. Is registration required before the construction of the pipe gallery? - HCBBS Forum
55. Issues regarding the primary valves of the instruments - HCBBS Forum
56. How to calculate the installation height of butt-welded branch pipe supports - HCBBS Forum
57. Valve body hole leakage issue - HCBBS Forum
58. Can you install valves? - HCBBS Forum
59. 304 pipeline support issues - HCBBS Forum
60. Can the floor of a closed hydrogen compressor plant be sloped? - HCBBS Forum
61. Arrangement of eccentric reducer and elbow at the pump inlet - HCBBS Forum
62. Issues regarding the installation of the condensate recovery pipeline for high-pressure steam pipes and the location of the vortex flow meter - HCBBS Forum
63. Application of all-metal hard-sealed butterfly valves in low-temperature valves - HCBBS Forum
64. What kind of valve is this? What is it mainly used for? - HCBBS Forum
65. How should pipe fittings be labeled according to the new standard 12459-2017? - HCBBS Forum
66. What is the relationship between the reinforcement nozzle (BOSS), the pipe clamp, and the branch pipe seat? - HCBBS Forum
67. I’m confused between the PN series and the CLASS series; please help me, friends - HCBBS Forum
68. Question: Regarding the piping design for vacuum tubes - HCBBS Forum
69. Does the emergency shut-off valve in the tank area have a special design? - HCBBS Forum
70. Calculation of pipeline resistance for 50% urea solution - HCBBS Forum
71. Seeking advice on flange selection - HCBBS Forum
72. Rosemount 1199 Flange Installation Instructions - HCBBS Forum
73. Is the sealing quality of the large-diameter B-series flanges HG20623 reliable? - HCBBS Forum
74. Why use clean steam - HCBBS Forum
75. What exactly does it mean to meet the requirements for springs regarding an inspection every 3 years for safety valves? - HCBBS Forum
76. 475 Manual Controller - HCBBS Forum
77. Selection of pipeline materials for ethanol and isopropanol. - HCBBS Forum
78. I’m seeking advice from experts: what does inter-station pressure testing for long-distance pipelines mean? - HCBBS Forum
79. Pressure pipeline registration - HCBBS Forum
80. High outlet temperature of oil-free vertical pump - HCBBS Forum
81. Design of pig receiver device - HCBBS Forum
82. Dynamic video of the working principle of a steam trap - HCBBS Forum
83. Filter, sight glass TS certification - HCBBS Forum
84. Meaning represented in the single-line diagram of process pipelines - HCBBS Forum
85. I need help: can butt-weld flanges be used for PE pipe flanges? - HCBBS Forum
86. What is the Eye Bolt of a blast disc? - HCBBS Forum
87. Piping design - HCBBS Forum
88. Can carbon steel internal threads be directly screwed together with stainless steel external threads? - HCBBS Forum
89. I would like to ask the experienced colleagues about the chamfering of the outer circle of flanges - HCBBS Forum
90. The issue of selecting the valve port diameter - HCBBS Forum
91. Do pneumatic ball valves need to be pressure-tested? - HCBBS Forum
92. In high differential pressure conditions, the valve spool in control valves can rotate. Therefore, how should the issue of preventing rotation be taken into account during the valve design phase? And how can it be calculated and analyzed to determine under what operating conditions the valve spool will rotate? - HCBBS Forum
93. Seeking the standards for ASME B16.47-2017 - HCBBS Forum
94. Have you used aluminum pipes? - HCBBS Forum
95. Issue regarding the hardening method of the sealing surface in 904L ball valves - HCBBS Forum
96. Design and Construction Specifications for Natural Gas Pipelines in Factories - HCBBS Forum
97. Layout of steam pipes - HCBBS Forum
98. Main classifications of valve sealing materials - HCBBS Forum
99. What type of valve is suitable for air ducts? - HCBBS Forum
100. Valve pressure testing issues - HCBBS Forum