English — Forum #92 (Page 75/87)

1. Selection of material for mating bolts of stainless steel pipe flanges - HCBBS Forum
2. Leakage test for multi-layer three-eccentric butterfly valve - HCBBS Forum
3. Which one** help me figure out what kind of flange this is? - HCBBS Forum
4. How should corrugated expansion joints in engineering projects be replaced when they exceed their service life? - HCBBS Forum
5. I seek advice from the experts in chemical engineering - HCBBS Forum
6. Regarding the problem of water balance between two storage tanks - HCBBS Forum
7. Is this a three-way ball valve? - HCBBS Forum
8. What material are the valves in the compressor lubricating oil pipeline? - HCBBS Forum
9. Regarding the minimum pressure for control valves - HCBBS Forum
10. Height of gas vent pipe - HCBBS Forum
11. Can national standard valves be manufactured according to API602? - HCBBS Forum
12. The structural dimensions of the valve provided by the manufacturer differ from those specified in national standards - HCBBS Forum
13. Connection technology for copper pipes in compensator systems - HCBBS Forum
14. I have a question regarding the selection of float valves - HCBBS Forum
15. Has anyone compared the old and new flange standards according to German standards? ? - HCBBS Forum
16. Construction plan for pipelines of hydrogen peroxide plant - HCBBS Forum
17. Gear of spring-type safety valve - HCBBS Forum
18. How are pressure pipelines with a pressure greater than 42 Mpa regulated? - HCBBS Forum
19. Relationship between viscosity and safety factor of pipe fitting wall thickness - HCBBS Forum
20. Slag discharge gate valve - HCBBS Forum
21. Can a ball valve be used with anhydrous hydrogen fluoride as the medium? - HCBBS Forum
22. The impact of temperature rise on pipelines - HCBBS Forum
23. Value of thermal conductivity for insulation materials - HCBBS Forum
24. I would like to purchase 3 breath valves - HCBBS Forum
25. Greasing issues for ball valve and gate valve seats - HCBBS Forum
26. Matching of pipe flanges - HCBBS Forum
27. What parameters need to be known when purchasing a 3D spherical compensator? - HCBBS Forum
28. Regarding plate flat welding flanges and necked butt welding flanges - HCBBS Forum
29. The pipe diameter issue in GB12459 - HCBBS Forum
30. Is it necessary to install a protective tube for the pipes buried in the ground? - HCBBS Forum
31. How to repair a damaged actuator for large butterfly valves - HCBBS Forum
32. Can pipes made of Q345E be used for pipelines with a minimum temperature of -35°C? - HCBBS Forum
33. Flange standards - HCBBS Forum
34. RTO high-temperature exhaust valve/bypass valve - HCBBS Forum
35. WN and PL flanges - HCBBS Forum
36. What do the pipe fittings that resemble an equal sign in the piping diagram of a PID represent? - HCBBS Forum
37. How to add blind plates between concave and convex flanges? ? - HCBBS Forum
38. Can different grades of gaskets be used on the left and right sides of the valve? - HCBBS Forum
39. Uses of PTFE (polytetrafluoroethylene) - HCBBS Forum
40. What is the scientific name of this joint behind the pressure reducing valve of the gas cylinder? Please help. - HCBBS Forum
41. What is the difference between a free-floating ball steam trap and a lever-floating ball steam trap? - HCBBS Forum
42. Are there any naming rules for the inlet and outlet drawings of pipes in the PID? - HCBBS Forum
43. What primers and topcoats are generally used for steel pipe racks in pipelines that are not subject to corrosion at normal temperatures? - HCBBS Forum
44. Pneumatic globe valve stem structure - HCBBS Forum
45. Brand and performance of control valve positioners - HCBBS Forum
46. Packing Installation Guide - HCBBS Forum
47. What is the sealing performance of large-diameter gate valves? (DN000 and above) - HCBBS Forum
48. Has anyone used Bonlok pipe connectors before? No welding required - HCBBS Forum
49. Safety valve calculation software - HCBBS Forum
50. Questions regarding standards for supports and hangers - HCBBS Forum
51. Ask about the differences between various materials - HCBBS Forum
52. Let’s discuss why there are currently no registered pipeline design engineers in China - HCBBS Forum
53. Can long-distance oil and gas pipelines be laid in public overhead conduit systems? - HCBBS Forum
54. I would like to ask everyone: What does Document No. 87 issued by the Ministry of Construction mean regarding unconventional lifting equipment and methods? - HCBBS Forum
55. Needle valve - HCBBS Forum
56. The phenomenon where the gate valve cannot be closed - HCBBS Forum
57. Calculation of the relief valve setting pressure - HCBBS Forum
58. May I ask what are the common domestic brands used for LNG low-temperature valves? - HCBBS Forum
59. Back pressure effect on bellows-type safety valves - HCBBS Forum
60. Seeking expert advice: What are the differences between American and European standard gate valves? - HCBBS Forum
61. The netherseal orbital ball valve is used as the outlet valve for molecular sieves - HCBBS Forum
62. Pipeline insulation issues - HCBBS Forum
63. Should low-pressure steam (0.5 MPa) be controlled using a bellows-type globe valve or a regular globe valve? - HCBBS Forum
64. Can the equipment engineering field be used to design steel structure maintenance platforms? - HCBBS Forum
65. What does the major in pipeline machinery mean? - HCBBS Forum
66. Regarding the hangers for pipes, I hope everyone can help - HCBBS Forum
67. Overpressure during pipeline testing has many impacts - HCBBS Forum
68. Flexible pneumatic valve, issue with valve weight - HCBBS Forum
69. Issues regarding the support structure design for the section of the steam pipeline that passes through the fire wall - HCBBS Forum
70. Looking for manufacturers of pipe fittings and valves with a pressure rating of at least 15200 Psi – please recommend some - HCBBS Forum
71. Why does this valve look like a missile launcher? - HCBBS Forum
72. Relationship between the rated capacity of a control valve and its rated CV value - HCBBS Forum
73. Oil pour for bolts - HCBBS Forum
74. Two very basic questions: the elevation of the pipe bottom and the fixing of pipe supports - HCBBS Forum
75. High-frequency high-pressure pneumatic solenoid valve - HCBBS Forum
76. Can normalized container plates of Q245R be used? - HCBBS Forum
77. Specific operating procedures for boundary zone valves - HCBBS Forum
78. How should slurry valves for mine tailings be selected? - HCBBS Forum
79. Regarding the manufacturing license for breathing valves - HCBBS Forum
80. Excuse me, does anyone know the description of the pipe grades for AXENS company? - HCBBS Forum
81. Maximum operating temperature of the PTFE seal in high-temperature ball valves - HCBBS Forum
82. How can one obtain the qualifications for the verification and inspection of pressure pipelines? - HCBBS Forum
83. Problems indicated by the pipeline - HCBBS Forum
84. Regarding the pressure resistance of stainless steel pipes - HCBBS Forum
85. Instrument selection - HCBBS Forum
86. May I ask if the blowdown gate valve for the steam pipeline should be removed? - HCBBS Forum
87. Advantages and disadvantages of valves from several major imported brands! - HCBBS Forum
88. Are there any enamel-lined pipes used in chemical pipelines? Where is it used? - HCBBS Forum
89. Those who need the latest electronic versions of information on fittings and valves for the chemical industry, please leave your email address! - HCBBS Forum
90. Do you know how many turns the knob of a turbine worm ball valve needs to be turned? - HCBBS Forum
91. Are there two-way solenoid valves that allow air to enter in both the forward and reverse directions? - HCBBS Forum
92. What standards can be applied for the technical specifications for ordering 316L stainless steel pipes, fittings, and valves? Which is the most commonly used? - HCBBS Forum
93. Some rough thoughts on butt-welded and socket-welded pipe fittings - HCBBS Forum
94. What is an HDPE double-wall corrugated pipe? - HCBBS Forum
95. Please, experts, explain the issues related to selecting check valves! - HCBBS Forum
96. Help needed with pipe wall thickness selection! ! ! - HCBBS Forum
97. Selection of hydrogen pipeline valves - HCBBS Forum
98. Pressure relief valve Ys43X - HCBBS Forum
99. Could that expert tell me how this is welded? - HCBBS Forum
100. After the wall thickness of seamless steel pipes is calculated, how to verify the stiffness of the pipes - HCBBS Forum