English — Forum #92 (Page 15/87)

1. Price comparison of 20 steel and 20G! ! - HCBBS Forum
2. Do you know what kind of valves are popular? - HCBBS Forum
3. Has any expert encountered cracks in steam pipelines? - HCBBS Forum
4. How can pressure be released quickly from a DN100 carbon steel pipe used for intermittent backwashing with compressed air? - HCBBS Forum
5. It seems that the recommended flow rate for superheated steam in the manual is too high - HCBBS Forum
6. Selection of the discharge valve at the bottom of polyacrylamide - HCBBS Forum
7. Soft-sealed ball valves use PPL instead of PTFE - HCBBS Forum
8. Are PPH pipes resistant to vacuum and negative pressure? - HCBBS Forum
9. Qualifications for the maintenance of industrial valves in pressure pipeline systems - HCBBS Forum
10. Who can help me figure out what the meaning of this valve code is? - HCBBS Forum
11. Five key terms in the valve industry in 2025 - HCBBS Forum
12. Knowledge related to flow restriction orifice plates - HCBBS Forum
13. IP 67/IP 68 cannot replace IP 66 and IP56 - HCBBS Forum
14. Methane semi-automatic switch bus pressure - HCBBS Forum
15. Power plant valve maintenance: Strategies to improve equipment reliability - HCBBS Forum
16. 【Ten Years of Rapid Development in Chemical Processing Equipment】2322-2025: Chongqing CHUANYI’s Domestic-produced Large-Diameter PDS High-Frequency Ball Valves - HCBBS Forum
17. ASTM material SA387 - HCBBS Forum
18. Regarding the selection of gaskets for oxygen pipelines - HCBBS Forum
19. Is the crude oil pipeline a pressure pipeline? - HCBBS Forum
20. The issue of openings in pipelines - HCBBS Forum
21. Seek HG/T 3691-2022 industrial steel-reinforced polyethylene plastic composite pipe fittings - HCBBS Forum
22. Selection of the model for the check valve at the outlet of the negative pressure pump - HCBBS Forum
23. Issue of pipelines passing through firewalls - HCBBS Forum
24. What diameter of pipe can be bent using a pipe bender? - HCBBS Forum
25. Guoyang-Baiyun Ebo Natural Gas Pipeline Project in Western Inner Mongolia - HCBBS Forum
26. May I ask what the allowable range for flange defects is, and what does this column in the standard mean? - HCBBS Forum
27. The disc of the swing check valve has fallen off - HCBBS Forum
28. For fluorinated-lined or rubber-lined valves, are gaskets still required on the end flanges? - HCBBS Forum
29. Reason why GB711 is used instead of 8163 for pipe caps - HCBBS Forum
30. Size of the storage tank foundation - HCBBS Forum
31. Gas check valve - HCBBS Forum
32. Leak in high-pressure welding valve - HCBBS Forum
33. 【Ten Years of Rapid Development in Chemical Processing Equipment】1879–2024: Large-scale road use 300 three-eccentric 904L butterfly valves - HCBBS Forum
34. What is the difference between ASTM A995 Gr.5A and 2507? Please explain, experts - HCBBS Forum
35. Selection of materials for pressure pipeline design and examples of pipeline design - HCBBS Forum
36. Selection of bolt and nut materials - HCBBS Forum
37. Are there any application examples of silicone rubber gaskets in chemical pipelines? How effective is it? - HCBBS Forum
38. Thread specification of threaded flanges - HCBBS Forum
39. Request for information on the location of the emergency shut-off button for the on-site cut-off valve - HCBBS Forum
40. I would like to ask what material should be used for valves related to dimethylvinyl chloride, dimethylacetamide, and m-phenylenediamine - HCBBS Forum
41. Floating oil discharge device - HCBBS Forum
42. Jinsteel Holdings partners with Juncheng Industry to develop a million-ton high-end energy pipeline project - HCBBS Forum
43. Digital and intelligent management implemented for the inspection of valves upon arrival at Maoming Petrochemical Plant - HCBBS Forum
44. 【Ten Years of Rapid Development in Chemical Processing Equipment】1347-2023: Domestic top-mounted double-eccentric C-type wear-resistant ball valves - HCBBS Forum
45. ZWPD 3D factory design software – a pioneer in future factory design - HCBBS Forum
46. Low-temperature liquid ammonia buried pipeline - HCBBS Forum
47. Is it necessary to shut down the operation and empty the system for regular inspections of pressure pipelines? - HCBBS Forum
48. Quick-release valve for oxygen pipeline - HCBBS Forum
49. Comparative analysis of the use of electronic-grade ball valves (especially in the field of ultra-high-purity chemicals) between imported and domestically produced versions - HCBBS Forum
50. Is there a connection between ASME B36.10 and ASTM A333? - - HCBBS Forum
51. Can PPR material be used for pipelines carrying 5% dilute sulfuric acid? - HCBBS Forum
52. The flange holes of the wafer ball valve have threads built-in; how should the bolts be installed? - HCBBS Forum
53. Differences between GB/T 12228 A105 and NB/T 47008 20 - HCBBS Forum
54. Huayou Engineering Construction Company / Overcame the welding challenge of hot bending elbows at 70-degree angles in the Sichuan Line 2 project - HCBBS Forum
55. There’s something on the pipe flange - HCBBS Forum
56. Xiaobai asks: What is used to wrap around the perimeter of a flange seal? - HCBBS Forum
57. 【Ten Years of Rapid Development in Chemical Engineering Equipment】From 2023 to 2025, China’s oil and gas pipeline construction is entering the era of \"all-terrain automatic welding\" - HCBBS Forum
58. Do non-metallic flanges have an RF face? - HCBBS Forum
59. Compendium of Functional Terms and Characteristics for Control Valves - HCBBS Forum
60. The medium is hydrochloric acid; what type of valve should be chosen? - HCBBS Forum
61. For shell-and-tube heat exchangers, why must the temperature difference at the high-temperature end be no less than 20?℃ - HCBBS Forum
62. Everyone, take a look at this flange marking - HCBBS Forum
63. Information on BB.01 - HCBBS Forum
64. Pressure pipeline wall thickness issue - HCBBS Forum
65. Seeking help: The thickness of the plug-type blind plate needs to be calculated for equipment pressure testing - HCBBS Forum
66. Valve standard diagram - HCBBS Forum
67. Are there any measures to prevent scaling of materials in pipelines? - HCBBS Forum
68. Height issue of combustible gas exhaust outlets - HCBBS Forum
69. Dredge valve - HCBBS Forum
70. Pipeline span issue - HCBBS Forum
71. Looking for drawings of hydraulic damper doors for boiler flues (preferably in CAD format) - HCBBS Forum
72. Structure length issue of lift-type check valves - HCBBS Forum
73. \"Steam Trap\" by Toshio Nakaï - HCBBS Forum
74. The difference between ASTM and UNS - HCBBS Forum
75. Reverse installation of lever float-type steam trap - HCBBS Forum
76. Calculation of pipeline insulation thickness - HCBBS Forum
77. May I ask what kind of check valve this is? - HCBBS Forum
78. Is there a difference in the principles of leakage between vacuum systems and pressure systems? - HCBBS Forum
79. Xinrui Mini-Class || Layout Requirements for Common Equipment in Chemical Plants (Part 2) - HCBBS Forum
80. What are the requirements for the connection methods between pipes or between pipes and equipment? - HCBBS Forum
81. What are the non-metallic gaskets? - HCBBS Forum
82. Can the PE port of small pipes be welded by socket welding? - HCBBS Forum
83. What are the general requirements for installing valves? - HCBBS Forum
84. Is it necessary to replace the steam trap when using steam at the user end? - HCBBS Forum
85. In what situations are adjustable brackets used? - HCBBS Forum
86. Regarding Article 10 of the regulations. . . . - HCBBS Forum
87. What type of stainless steel water control valve should be used for environmental protection purposes? - HCBBS Forum
88. Pipes \"sweat\" in summer“ - HCBBS Forum
89. Some English descriptions regarding the stop valve - HCBBS Forum
90. What are the precautions in valve operation and valve management? - HCBBS Forum
91. Seeking help regarding the use of electric valves - HCBBS Forum
92. Concept of equal strength design for skid-mounted equipment - HCBBS Forum
93. On the allowable stress for ASTM A242 material - HCBBS Forum
94. Domestic back pressure valve - HCBBS Forum
95. Support and fixation of heating system pipelines - HCBBS Forum
96. When is an integral flange used? - HCBBS Forum
97. Flat-bottomed, flat-lid removable atmospheric pressure container - HCBBS Forum
98. Xinrui small classroom || PTFE sealing materials include these - HCBBS Forum
99. Equivalent length of the reducer - HCBBS Forum
100. Pressure test of pipelines - HCBBS Forum