English — Forum #92 (Page 4/86)

1. Methods and principles for determining the wall thickness of metal fabrication pipeline fittings - HCBBS Forum
2. Pressure relief valve manufacturers - HCBBS Forum
3. Can a DN40 hole be drilled in the main pipe on a DN150r tee? - HCBBS Forum
4. Internal thread gate valve - HCBBS Forum
5. The spherical wear-resistant elbow has a rational design - HCBBS Forum
6. After watching The Fire Hero, I noticed a scene in which there was a manual valve that needed to be turned 8,000 times. What type of valve is this? - HCBBS Forum
7. American standard pipe fitting standards - HCBBS Forum
8. For gas pipelines, when the pressure in a branch pipe is lower than that in the main pipe, can an elbow tee be used to connect the branch pipe to the main pipe? - HCBBS Forum
9. Code explanation for needle valve J13H-160III - HCBBS Forum
10. What kind of valve is this? - HCBBS Forum
11. Discussion on pipeline pressure testing issues - HCBBS Forum
12. Proportional control valve - HCBBS Forum
13. Seeking valve manufacturers (materials resistant to seawater required) - HCBBS Forum
14. What does STL mean in ELL 90 DEG LR SCH40 STL A234 WPB? - HCBBS Forum
15. Solid-containing ball valves often have valve seats designed with scrapers. - HCBBS Forum
16. I have some difficulty understanding the term and meaning of equivalent displacement in safety valves - HCBBS Forum
17. Issues related to the matching of loose-flange fittings in lined pipes - HCBBS Forum
18. High and low pressure relief valves for direct coal liquefaction - HCBBS Forum
19. Does a hydrogen cylinder pressure regulator come with a safety valve? - HCBBS Forum
20. How do I read this valve? - HCBBS Forum
21. Selection of the electric actuator for electric valves - HCBBS Forum
22. I’m a friend in the valve industry; I need your help - HCBBS Forum
23. What is the wall thickness of SCH20 stainless steel pipe? - HCBBS Forum
24. What does 50% effective area mean in the technical parameters of filter mesh? - HCBBS Forum
25. Could you please explain the English term for the valve seat of a butterfly valve, Tabpole? - HCBBS Forum
26. Selection of flame arrestor breathing valves - HCBBS Forum
27. Calculation for the selection of wall thickness and span of large-diameter, thin-walled, atmospheric-pressure pipelines - HCBBS Forum
28. Installation guide for steam pipeline traps - HCBBS Forum
29. Meaning of steel grade numbers - HCBBS Forum
30. Is there a Chinese version of the ASME B16.9-2018 standard? - HCBBS Forum
31. Issues regarding the use of the pressure testing package approval/submission form - HCBBS Forum
32. [Free Download] Latest original version of ASME B16.9-2024 \"Factory-Made Welded Fittings\" - HCBBS Forum
33. Pilot-operated safety valve - HCBBS Forum
34. Can the drain pipe for high-temperature and high-pressure steam pipelines be bent cold? - HCBBS Forum
35. Could everyone please help me check whether this valve installation is reasonable? - HCBBS Forum
36. How should we understand the fact that backpressure valves are widely used in low-pressure dosing systems? - HCBBS Forum
37. Which is a better location for installing the air storage tank and the filter pressure regulator? - HCBBS Forum
38. China Nuclear Suzhou Valve Manufacturing Factory – ANSI standard valve samples – with labels - HCBBS Forum
39. Does the effect of a reverse U-shaped bend valve vary depending on its installation location? - HCBBS Forum
40. For welding heat-resistant alloy seamless steel pipes made of P91 and T91, what type of welding wire and electrode should be used? - HCBBS Forum
41. Quality issues in dissimilar metal welding of carbon steel and stainless steel - HCBBS Forum
42. May I ask whether the tees specified in GB12459 are hot-pressed or forged? - HCBBS Forum
43. Pipeline size selection - HCBBS Forum
44. Weld impact test - HCBBS Forum
45. Ball valves with '→' must be installed in horizontal pipelines - HCBBS Forum
46. What is the technical name of this feeding valve, and which company manufactures it? - HCBBS Forum
47. What material should be used for pipes containing 42% nitrogen, 29% NO, and 25% NO2? - HCBBS Forum
48. Piping and installation of steam traps - HCBBS Forum
49. Does anyone know what kind of gasket GSWS refers to? - HCBBS Forum
50. Domestic valve manufacturers that are relatively good at coal chemical industry-related products - HCBBS Forum
51. The production drawings for ceramic elbows ensure easy processing and installation - HCBBS Forum
52. Model on the gasket - HCBBS Forum
53. flame arrester - HCBBS Forum
54. Leakage issue of gaskets in the three-valve assembly for instruments in the hydrogenation reactor - HCBBS Forum
55. How much vacuum can a plastic butterfly valve withstand? - HCBBS Forum
56. Chengguang Dongluo or Jiangsu Chengguang? ? - HCBBS Forum
57. Pipe design - HCBBS Forum
58. What is the difference between solenoid(ETT) and solenoid(DTT)? - HCBBS Forum
59. Valve selection for 60% concentration calcium chloride - HCBBS Forum
60. Are there supports to prevent the pipeline from rotating? - HCBBS Forum
61. Differences between pressure relief valves, safety valves, pressure stabilizing valves, and pressure discharge valves - HCBBS Forum
62. Can pipe branches be placed on the ground to serve as supports for the main pipes? - HCBBS Forum
63. Direct connection to the **pipeline network: Guangdong Petrochemical’s refined oil pipeline transportation has officially commenced - HCBBS Forum
64. Gauge elbow - HCBBS Forum
65. Liquid slugging occurred after the modification of the steam condensate in the distillation column reboiler - HCBBS Forum
66. How to handle non-standard pipe fittings in Cadworx - HCBBS Forum
67. Can flat-welded steel flanges not be connected directly to elbows? ? ? - HCBBS Forum
68. UV Rapid Repair Subsidy – Industrial Plaster Bandage - HCBBS Forum
69. How to perform the ammonia permeation test - HCBBS Forum
70. Questions regarding the selection of pipeline materials for GC1 grade - HCBBS Forum
71. The heatloss function in CheCalc’s [Heat Loss Insulated Pipe] - HCBBS Forum
72. Welding of steel structure gaskets - HCBBS Forum
73. What is the minimum operating temperature for Q345B? - HCBBS Forum
74. Seek the latest chemical industry standards for flanges and elbow fittings - HCBBS Forum
75. Pipe pressure - HCBBS Forum
76. Will this really generate static electricity or sparks? - HCBBS Forum
77. How to create a rainproof seal for pipe holes. - HCBBS Forum
78. Pipeline corrosion - HCBBS Forum
79. What are the precautions in valve operation and valve management? - HCBBS Forum
80. Selection of check valves for vacuum exhaust pipelines - HCBBS Forum
81. Vent valve issue - HCBBS Forum
82. For valves of different brands, are the dimensions the same for valves of the same model? - HCBBS Forum
83. I would like to know what qualifications are required to issue a safety valve calibration report - HCBBS Forum
84. Regarding the use of butterfly flanges - HCBBS Forum
85. Could I please get information on the applicable scenarios for vertical and inclined air coolers, along with photos from actual installations? - HCBBS Forum
86. Valve worm gear speed ratio - HCBBS Forum
87. Corrosion-resistant needle valve - HCBBS Forum
88. How to measure the flow rate of a large pipe with a diameter of 3m - HCBBS Forum
89. Are the pipe openings and reductions still appropriate? - HCBBS Forum
90. What is the difference between A36 and A105? - HCBBS Forum
91. What do the safety valve categories A, BA, GA, WA, DA, KA, KWA mean? Please provide an explanation, expert - HCBBS Forum
92. Ha Valve – what is the abbreviation for a manufacturer’s brand? - HCBBS Forum
93. Are valves with bellows seal packing necessary for substances with high toxicity or above? - HCBBS Forum
94. I have a question regarding the steel stamp on the butterfly valve body - HCBBS Forum
95. What determines the material property grade of studs? - HCBBS Forum
96. What size should the drain valve for a 1.0MPA steam DN80 pipe be? - HCBBS Forum
97. Valve information - HCBBS Forum
98. The valve core has fallen off? - HCBBS Forum
99. Strange signs in the pipeline—rising pressure - HCBBS Forum
100. What are the criteria for determining internal leakage in valves? - HCBBS Forum