English — Forum #92 (Page 28/87)

1. What is the casting grade for 321? - HCBBS Forum
2. Request: Information related to fuse valves - HCBBS Forum
3. Material selection for sodium chlorite production equipment - HCBBS Forum
4. 254SMO stainless steel seamless tube - HCBBS Forum
5. Is the Olet branch fitting in DIN a requirement specified by the DIN standard? - HCBBS Forum
6. I’m looking up the specifications for studs used in flanges; there are errors in the codes included, but they cannot be changed. Is there an updated version of the calculation formula? - HCBBS Forum
7. How should I choose a safety valve for an air storage tank? Please help, experts - HCBBS Forum
8. For granular fillers, valves that allow for precise control of the filler flow rate and provide sealing - HCBBS Forum
9. Looking for low-temperature valve manufacturers - HCBBS Forum
10. 【Video】Characteristics of Parallel Pipelines and Flow Distribution - HCBBS Forum
11. 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
12. May I ask what type of loose-flange is used for lined pipes? - HCBBS Forum
13. China Nuclear Suzhou Valve Manufacturing Factory – ANSI standard valve samples – with labels - HCBBS Forum
14. What is a lift valve used for? - HCBBS Forum
15. Selection of welding materials for 304 steel in low-temperature applications - HCBBS Forum
16. How to determine the spacing between heat-traced pipes? - HCBBS Forum
17. Two-phase flow calculation for safety valves - HCBBS Forum
18. How should we understand the fact that backpressure valves are widely used in low-pressure dosing systems? - HCBBS Forum
19. For a solution at around 120 degrees Celsius under alkaline conditions, with a fluoride ion concentration of 5-8 g/l, what material offers good corrosion resistance and is also cost-effective? - HCBBS Forum
20. What are the pipeline grades for the old units A3B20, A6B35, and S1B8? - HCBBS Forum
21. Centrifugal compressor - HCBBS Forum
22. Proportional control valve - HCBBS Forum
23. Issues in selecting constant-force spring brackets - HCBBS Forum
24. Selection and design of the condensate main pipe - HCBBS Forum
25. Installation of pump inlet filter and valve - HCBBS Forum
26. Pressure selection for series and parallel connection of safety valves and burst discs - HCBBS Forum
27. Valve size specifications - HCBBS Forum
28. Fluctuations in the output of the paid assistance locator - HCBBS Forum
29. Is it a problem if the drain point is too far ahead of the expansion bend in the steam pipeline? - HCBBS Forum
30. QRA Quantitative Risk Assessment - HCBBS Forum
31. Issues regarding the selection of HG/T20553 Ⅰa versus its supply as Ⅰb - HCBBS Forum
32. GBT 21447-2018 Code for Control of External Corrosion of Steel Piping - HCBBS Forum
33. Various types of valves and maintenance - HCBBS Forum
34. Valve Z78CJ-J102 - HCBBS Forum
35. How is the rated CV value of a valve calculated? - HCBBS Forum
36. Installation location and requirements for safety valves - HCBBS Forum
37. Solutions for the problem of a steam trap not draining water and leaking air - HCBBS Forum
38. How to delete a post - HCBBS Forum
39. I would like to ask about the classification categories of two natural gas pipelines - HCBBS Forum
40. What is this thing? - HCBBS Forum
41. Regarding the wind pocket pressure relief valve and check valve - HCBBS Forum
42. What is the function of a breather valve? - HCBBS Forum
43. Regarding the DN80 2.5Mpa ball valve and the issue of valve body length, why are there two different sizes for the same product? - HCBBS Forum
44. Short-pressure pipelines: Report the issue - HCBBS Forum
45. Requirements for manufacturing wear-resistant pipes by chromium carbide surfacing - HCBBS Forum
46. DN150 thread, outer diameter of steel pipe - HCBBS Forum
47. What is the maximum wiring distance for a 24V-powered solenoid valve? - HCBBS Forum
48. Five solutions to external leakage of electric control valves - HCBBS Forum
49. Pressure and flow velocity issues at different cross-sections of a descending pipe - HCBBS Forum
50. Regarding the conversion relationship between Din and diameter - HCBBS Forum
51. Seeking professional flame arrestor manufacturers - HCBBS Forum
52. Animation of the working principle of the BIFFI electric actuator - HCBBS Forum
53. I heard that there is a type of pipe insulation material that is not only fire-resistant but also does not cause allergies. Does anyone familiar with this know anything about it? - HCBBS Forum
54. Issues regarding the piping layout of automatic sprinkler systems - HCBBS Forum
55. Pipe size - HCBBS Forum
56. What does the PN after the pipeline valve mean? - HCBBS Forum
57. Guys, is it the material of the clamping clip that matters, and what is the surface treatment process used? - HCBBS Forum
58. Seek the formula for calculating the thickness of pressure pipelines - HCBBS Forum
59. I have a question regarding the new standard 20# material - HCBBS Forum
60. Who has sample drawings of a 900-pound butterfly valve? Seeking help - HCBBS Forum
61. Solutions to excessive current in water ring vacuum pumps - HCBBS Forum
62. Stop valve model - HCBBS Forum
63. Deformation problem of the bottom plate of the adjustable bracket of the compressor inlet pipeline - HCBBS Forum
64. I need urgent help regarding the locking mechanism of the valve! - HCBBS Forum
65. When installing a gate valve, is it permissible for both the valve body and the valve stem to be in a horizontal position? - HCBBS Forum
66. Searching for carbon graphite ball valves specifically designed for the PTA industry - HCBBS Forum
67. Discussion on the definition of emergency shut-off valves and relevant standards, as well as TSG manufacturing permits - HCBBS Forum
68. Questions regarding the calculation of process pipelines???????????? - HCBBS Forum
69. Asking a question about the wall thickness of a fitting - HCBBS Forum
70. How to solve this problem with the valve? - HCBBS Forum
71. Dear experts, I would like to ask: when manufacturing pipe fittings and elbows, what material can be used as a substitute for LF485K2 in China? - HCBBS Forum
72. Applications of Tescom pressure relief valves and Tescom backpressure valves - HCBBS Forum
73. Selection of safety valves for the outlet of gasoline and diesel oil storage tanks - HCBBS Forum
74. How is the flange size determined for a DN50 pipe? - HCBBS Forum
75. Regarding the gear ratio issue of bevel gears - HCBBS Forum
76. For GC2 pressure pipelines, welding is not required; instead, flanges are used for connection. Can they be installed in this way? - HCBBS Forum
77. Pipeline stress analysis and engineering applications: Does anyone have this electronic version? Please share it - HCBBS Forum
78. HG 20592 DN125 threaded flange - HCBBS Forum
79. Component assembly device, Y-type filter - HCBBS Forum
80. Parallelism of lined and rubber-lined pipe flanges - HCBBS Forum
81. Can PTFE be used as the sealing material for ball valves in butadiene media? - HCBBS Forum
82. Design pressure - HCBBS Forum
83. Key points of design and selection knowledge for electric control valves - HCBBS Forum
84. Many RF raised-face flanges conforming to national standards have bevels on their sealing surfaces that interfere with the bolt holes - HCBBS Forum
85. Regarding the issue of the number of non-destructive testing inspections for circumferential butt joints in pressure pipelines - HCBBS Forum
86. For pipelines that are already in operation at increased pressure, can a strength test be conducted instead of a flaw detection test? - HCBBS Forum
87. Installation of temporary filter (cone filter) - HCBBS Forum
88. The production drawings for ceramic elbows ensure easy processing and installation - HCBBS Forum
89. Optimization of steam systems - HCBBS Forum
90. Are there high-temperature ball valves available for operating conditions at around 680 degrees? - HCBBS Forum
91. What types of valves are used in ethylene plants? - HCBBS Forum
92. Regarding the basic code for butterfly valves, I have a question - HCBBS Forum
93. Which company is the best for stainless steel valves? - HCBBS Forum
94. I would like to ask: for DN500 stainless steel pipes, are seamless pipes or welded steel pipes generally used? - HCBBS Forum
95. Discussion on the determination of the set pressure for safety valves - HCBBS Forum
96. 【Applications of dry screw vacuum pumps】Screw pumps are suitable for applications in the chemical industry where a vacuum is required - HCBBS Forum
97. 100 Questions on Chemical Pipeline Installation - HCBBS Forum
98. Rosemount 3051 transmitter calibration - HCBBS Forum
99. Animation of the working principle of the pipeline quick connector device - HCBBS Forum
100. Issues encountered when using PDSOFT software to generate axonometric drawings - HCBBS Forum