English — Forum #92 (Page 11/87)

1. 【Ten Years of Rapid Development in Chemical Engineering Equipment】The world’s largest carbon dioxide storage power plant in 2017: 3048 mm ultra-large diameter low-temperature gas transmission pipes - HCBBS Forum
2. Can flow control orifice plates be used to achieve precise distribution from the main pipe to the branch pipes?· - HCBBS Forum
3. I would like to ask how the pressure rating of valves in pressure pipelines is determined? - HCBBS Forum
4. Performance requirements for renewing the pressure pipeline installation license - HCBBS Forum
5. Why is the nominal diameter of high-pressure welded gate valve one level smaller than the pipe diameter? - HCBBS Forum
6. The outer diameter is 19.05 mm - HCBBS Forum
7. Are there any PN10 carbon steel and stainless steel piping systems available? - HCBBS Forum
8. What are some ways to improve spatial imagination skills when working on chemical piping? - HCBBS Forum
9. Target installation stress of the bolt - HCBBS Forum
10. 【Ten Years of Rapid Development in Chemical Processing Equipment】Fully Automated Intelligent Welding of Large Ball Valves from 2015 to 2023 - HCBBS Forum
11. Seek popular science and introductions to the US standard system - HCBBS Forum
12. Valve cold operating pressure - HCBBS Forum
13. PTFE elastic strip for non-metallic gaskets - HCBBS Forum
14. Do 30% sodium hydroxide storage tanks and pipelines need insulation? - HCBBS Forum
15. I’m asking the experts: Can the handwheel be removed from a check valve? - HCBBS Forum
16. Applications of non-metallic flat gaskets and metal wound gaskets - HCBBS Forum
17. Which standard does the pipe support for vibrating pipes J13 in HG 21629 -1999 correspond to in the new standard? - HCBBS Forum
18. Urgently seeking 316/316H pipes with specifications of 530*16, 508*16, or similar - HCBBS Forum
19. Volume of pipe insulation - HCBBS Forum
20. CJT 246-2018 on upper and lower drainage types of water repellents - HCBBS Forum
21. 【Ten Years of Great Development in Chemical Equipment】 1494–2023: Export of safety valves for highly corrosive hydrometallurgical production equipment to Chile - HCBBS Forum
22. 【SeaRiver Safety Discussion】Is It Appropriate to Install Pipes of Type A060 Through Floor Slabs This Way?» - HCBBS Forum
23. Installation issues with steam pipeline traps - HCBBS Forum
24. Price comparison of reinforced flexible graphite gaskets, non-asbestos fiber rubber gaskets, and silicone rubber gaskets - HCBBS Forum
25. Selection of cut-off valves and bypass valves for control valves - HCBBS Forum
26. Plastic deformation issues in austenitic stainless steel elbows - HCBBS Forum
27. 【Ten Years of Rapid Development in Chemical Equipment】2025–2024: Gemstone Pipe Industry builds China’s first hydrogen-infused high-pressure long-distance pipeline - HCBBS Forum
28. Alloy material for reactors used at 300 degrees Celsius with 98% concentrated sulfuric acid - HCBBS Forum
29. 【Ten Years of Rapid Development in Chemical Engineering Equipment】1683–2024: Testing Completed on China’s First Pilot-Type Safety Valve for Nuclear Power Plant Pressurizers - HCBBS Forum
30. Some differing opinions on SH/T 3059 - HCBBS Forum
31. Do all safety valves need to be calibrated? - HCBBS Forum
32. How to calculate the installation torque for flange bolts [Standard/calculated exceptions – external download link] - HCBBS Forum
33. Pipeline pressure consultation - HCBBS Forum
34. Calculation of pressure drop in the safety valve pipeline - HCBBS Forum
35. Parker\hamlet\Swagelok three types of air supply ball valves - HCBBS Forum
36. API Trim No 1 for gate valves - HCBBS Forum
37. What are the advantages and disadvantages of steel-reinforced PE composite pipes compared to 316L? - HCBBS Forum
38. What is the application range of threaded pipe installation? Standards? - HCBBS Forum
39. Seeking advice on gasket model - HCBBS Forum
40. 【Ten Years of Rapid Development in Chemical Equipment】By 2025, Maoming will have built and put into use China’s longest fuel oil transmission pipeline - HCBBS Forum
41. Software for drawing equipment process flow diagrams - HCBBS Forum
42. What rubber material should be used for the O-rings and gaskets of the intake and exhaust valves in ammonia-hydrogen compressors? - HCBBS Forum
43. When installing a pressure gauge, should the primary valve be placed near the pressure sampling point or near the pressure gauge itself? - HCBBS Forum
44. Stress analysis of pressure pipelines - HCBBS Forum
45. Excuse me, has anyone seen a high-temperature resistant flow meter that can handle temperatures around 1200°C? - HCBBS Forum
46. Increasing the number of openings in the secondary steam pipes for temperature and pressure reduction enhances the heating effect on the deaerator tubes - HCBBS Forum
47. Questions regarding the temperature and pressure values for material 2c in the HG20592 flange standard - HCBBS Forum
48. Which manufacturer’s valve is this? Is it marked as SCUI or SGUI? - HCBBS Forum
49. Regarding the marking of valve body material - HCBBS Forum
50. In API600, 2015, has the combination of internals 1 and 2 been discontinued? - HCBBS Forum
51. Requirements for dual valves in foreign projects - HCBBS Forum
52. The issue of high-temperature graphitization in metal pipes - HCBBS Forum
53. Regarding HF of the valve plate - HCBBS Forum
54. Distance requirement between Class A buildings and open-flame equipment in petrochemical projects - HCBBS Forum
55. Are client-side steam energy-saving methods feasible? Need help? - HCBBS Forum
56. Pipeline stress (static/dynamic) analysis, CAESARII engineering examples, selection of pressure pipeline materials, and pipeline design examples - HCBBS Forum
57. Help needed: \"Piping Engineering Design for Petrochemical Plants\" by Wu Derong, 2013 - HCBBS Forum
58. Flange weld inspection - HCBBS Forum
59. Problems with the grease injection valve in the vacuum valve stuffing box - HCBBS Forum
60. Plate rectifier - HCBBS Forum
61. Emergency shut-off valve - HCBBS Forum
62. Do superheated steam pipes require steam traps? - HCBBS Forum
63. What does 3/8\"NPTM-3/8\"F.T mean for pressure relief valves? - HCBBS Forum
64. Valve pressure drop calculation - HCBBS Forum
65. Video of the free-floating ball hydrophobic valve in action - HCBBS Forum
66. Issues regarding the use of metric pipes under the new standards GB/T14383 and GB/T19326 - HCBBS Forum
67. Regarding the thickness of the sealing gasket - HCBBS Forum
68. Can ASME B16.5 loose flanges with flanges be used at a pressure of 16 bar? - HCBBS Forum
69. Fluorinated lining plug valves under the Guodaijin brand - HCBBS Forum
70. Standard for anti-static requirements of soft-sealed ball valves - HCBBS Forum
71. Design approval personnel for pressure pipelines, as well as directors and officers in charge of quality and safety for the year 2024 - HCBBS Forum
72. What is the largest diameter fluorinated electric butterfly valve you have seen? - HCBBS Forum
73. Can the DN designation be used to indicate dimensions in the ASME B16.5 flange standard? - HCBBS Forum
74. Material selection criteria for the internal components and other parts of butterfly valves - HCBBS Forum
75. Pipeline material selection - HCBBS Forum
76. 【Ten Years of Rapid Development in Chemical Processing Equipment】2015–2024: First 3D-printed production of multi-stage labyrinth-type sleeve control valves - HCBBS Forum
77. May I ask which book this picture is from? - HCBBS Forum
78. On the toxicity classification of dichloromethane - HCBBS Forum
79. Xinrui Mini-Class || How much do you know about “plastic flanges”? - HCBBS Forum
80. Construction of the Gasification Project for the Natural Gas Pipeline in Southern Xinjiang has fully commenced - HCBBS Forum
81. Leak test: Why is it necessary to reduce pressure by 10 minutes? - HCBBS Forum
82. Regarding the issue of water entering the cylinder of pneumatic valves - HCBBS Forum
83. Why are some pipes requiring that stainless steel pipes must be >15m in length? - HCBBS Forum
84. 【Ten Years of Rapid Development in Chemical Equipment】1609-2024: Breaking Monopolies! Domestically produced double-wedge gate valve for the world’s largest propane dehydrogenation unit - HCBBS Forum
85. What is CRA (bimetallic composite pipe)? - HCBBS Forum
86. What is the current version of the general drawings for pipe supports and hangers at Luoyang Petrochemical Design Institute? - HCBBS Forum
87. May I ask what kind of valve this is and what its internal structure is? - HCBBS Forum
88. Qualitative analysis of the outlet pipes for medium and low pressure boilers - HCBBS Forum
89. If all pipe fittings are connected by threads, is it then unnecessary to conduct flaw detection? - HCBBS Forum
90. Class C flammable liquids in pressure pipelines - HCBBS Forum
91. Is it necessary to bond the rubber-plastic insulation board to the equipment in order to insulate it? - HCBBS Forum
92. What does K64DH mean? - HCBBS Forum
93. 【Ten Years of Rapid Development in Chemical Processing Equipment】Development of ultra-large diameter, ultra-high pressure, corrosion-resistant wedge gate valves completed from 1808 to 2024 - HCBBS Forum
94. Nozzle orientation diagram - HCBBS Forum
95. I need a sample of Bore butterfly valves, including the CV value. - HCBBS Forum
96. How are RT and PT determined in the pipe inspection column of the pipeline table? - HCBBS Forum
97. Are magnetic drive pumps suitable for large medium-pressure boiler feed pumps? - HCBBS Forum
98. Characteristics and concepts of valve opening degree - HCBBS Forum
99. Stress combination condition - HCBBS Forum
100. Piping radiography and ultrasonic thickness testing have no effect on the material inside the pipes, right? - HCBBS Forum