English — Forum #92 (Page 33/87)

1. All-plastic valves, all-plastic pneumatic valves, plastic fittings and pipes; contact me if you have any needs or want to discuss technical details - HCBBS Forum
2. I would like to ask if the markings on this piping layout diagram indicate flanged pipe openings? - HCBBS Forum
3. Questions regarding the length of the heat tracing tube - HCBBS Forum
4. What is the sealing performance of a DN50 blind cover + two layers of PTFE flat gaskets? - HCBBS Forum
5. GB/T 9124 Pressure and Temperature Rating Table - HCBBS Forum
6. Can hydrofluoric acid be handled using C276 valves without a PTFE lining? - HCBBS Forum
7. There are also many techniques involved in customizing self-acting pressure control valves - HCBBS Forum
8. Regarding the levelness of process pipeline installation - HCBBS Forum
9. Material selection and treatment methods for high-temperature oxygen pipelines - HCBBS Forum
10. Recommendations for self-acting pressure regulators and temperature control valves - HCBBS Forum
11. 10 things to note when installing valves - HCBBS Forum
12. Does operational flexibility have an impact on pipeline grade? - HCBBS Forum
13. Safety valve calculation sheet - HCBBS Forum
14. Dynamic video of the working principle of a swing check valve - HCBBS Forum
15. Piping - HCBBS Forum
16. Why are the internal stresses in thermal pipelines and the thrust at the fixing points independent of length? - HCBBS Forum
17. Looking for staff from chemical engineering design institutes - HCBBS Forum
18. Pipe blockage - HCBBS Forum
19. Zhenhai Refining & Chemical is undergoing its quadrennial overhaul; let’s take a look at the legendary cyclone separator - HCBBS Forum
20. Valve model - HCBBS Forum
21. Process flow diagram - HCBBS Forum
22. Dynamic video of the working principle of American standard gate valves - HCBBS Forum
23. 【Haichuan Equipment Guessing Game】Who can tell what kind of valve this is? - HCBBS Forum
24. Regarding the valves in the heat transfer oil system - HCBBS Forum
25. Compressor - HCBBS Forum
26. Ask if you don’t understand - HCBBS Forum
27. What is the distance between the foundation frame and pipe piers and the buildings? - HCBBS Forum
28. Pipeline number - HCBBS Forum
29. Are there any videos on the manufacturing of valves (ball valves or globe valves)? - HCBBS Forum
30. Gauge buffer bend - HCBBS Forum
31. The necessity of pressure relief valves and control valves in steam pipelines - HCBBS Forum
32. Regarding the types and parameters of steel pipe flanges per GB/T 9112-2010 - HCBBS Forum
33. Difference between acetylene pipeline flame arresters and oxygen pipeline flame arresters - HCBBS Forum
34. I would like to ask about the low sulfur phosphorus content - HCBBS Forum
35. What are the advantages of various imported lined pneumatic valves? - HCBBS Forum
36. I need the material code that follows the pipeline number at the original Kellogg plant! - HCBBS Forum
37. Typical piping for reciprocating piston pumps - HCBBS Forum
38. Issues with metal bellows expansion joints on pressure pipelines - HCBBS Forum
39. For guide supports on vertical pipes that are not subjected to vertical forces, how should the embedded components carry the loads? - HCBBS Forum
40. Which standard specifies the markings on valves - HCBBS Forum
41. gasket - HCBBS Forum
42. Fluorinated lining valves - HCBBS Forum
43. Why are civil natural gas pipes set up like this? - HCBBS Forum
44. Why will butterfly valves become the dominant valve type for large-diameter applications? - HCBBS Forum
45. More questions on two-phase flow problems - HCBBS Forum
46. Question - HCBBS Forum
47. Seek an explanation for how to interpret the shaded areas in a pipeline single-line diagram - HCBBS Forum
48. 【Special Equipment】Special ejector for PSC series desulfurization regeneration tanks - HCBBS Forum
49. Check valve disc thickness - HCBBS Forum
50. Is it necessary to connect a jumper to the manhole of the storage tank? - HCBBS Forum
51. Consulting about valves, matching flanges, and fasteners - HCBBS Forum
52. Regarding the pressure rating of threaded pipe fittings - HCBBS Forum
53. Pressure pipeline modification - HCBBS Forum
54. Problems with flange mechanical performance testing - HCBBS Forum
55. Is there a CRACK for solidplant2018? - HCBBS Forum
56. Under 700℃ working condition, what material of bolts should the Class900 flange be equipped with? Conflicting standards - HCBBS Forum
57. Knowledge on the measurement of flow meters - HCBBS Forum
58. Check valve comparison - HCBBS Forum
59. How should pipes, fittings, and steel sections be inspected? - HCBBS Forum
60. Butterfly valve manufacturing matters - HCBBS Forum
61. Discussion on heat exchanger location - HCBBS Forum
62. Ventilation butterfly valve leakage rate - HCBBS Forum
63. Manufacturing method and principle of pressure-bearing hole opening and sealing equipment - HCBBS Forum
64. Can a negative-pressure pipeline be sprayed to prevent corrosion? - HCBBS Forum
65. What is the hardness of Q345D steel pipes? - HCBBS Forum
66. When stainless steel pipes come into contact with steel beams and carbon steel components, how should non-metallic gaskets be fixed? - HCBBS Forum
67. Discussion on the layout issues of liquid ammonia transport pipelines - HCBBS Forum
68. 【Haichuan Equipment Guessing Game】Test your skills – guess the valve by looking at the image - HCBBS Forum
69. Help needed - HCBBS Forum
70. Searching for a high-pressure valve - HCBBS Forum
71. Help request post - HCBBS Forum
72. Which standard does the pipe welding Dyne factor come from? - HCBBS Forum
73. Questions about the selection of hydrogen-resistant material ANTI-HIC - HCBBS Forum
74. 【Proprietary Technology】Counterflow Pipe Reaction Technology – Patent Number: 201621085277.X - HCBBS Forum
75. Provisions for various design phases in SPMP-STD-EM - HCBBS Forum
76. HAMER blind flange - HCBBS Forum
77. Calculation of pipeline service life - HCBBS Forum
78. Regarding the installation direction of the stop valve - HCBBS Forum
79. Urgent help: Regarding the tightening torque of flanges - HCBBS Forum
80. Gas pipeline valves need support - HCBBS Forum
81. Hydrogen pipeline - HCBBS Forum
82. The air resistance problem in a vertically oriented tube with one end blocked - HCBBS Forum
83. Piping support spacing - HCBBS Forum
84. I have a question: are these standard national specification pipe fittings, or custom-made non-standard ones? - HCBBS Forum
85. Structural analysis of parallel chord trusses - HCBBS Forum
86. Wafer check valve no pressure leakage - HCBBS Forum
87. Who understands the principle of this safety valve? - HCBBS Forum
88. Seeking advice on valve codes - HCBBS Forum
89. Why is the number of bolts in control valves and ball valves different at the same pressure rating? - HCBBS Forum
90. Standardization - HCBBS Forum
91. Precautions for valve installation - HCBBS Forum
92. May I ask whether the valve stems 17-4PH for ball valves and butterfly valves can be used with media such as methanol, crude methanol, and MTO-grade methanol? - HCBBS Forum
93. Elbow problem - HCBBS Forum
94. Causes of lateral cracks in elbows - HCBBS Forum
95. Is it more appropriate to place large-diameter valves on vertical pipes or on horizontal pipes? - HCBBS Forum
96. Gate valve structural length - HCBBS Forum
97. Determine whether the pipeline flexibility is sufficient? - HCBBS Forum
98. Can combustible and toxic exhaust gases without pressure be piped using PVC pipes? - HCBBS Forum
99. What is the wall thickness of a seamless steel pipe with a pressure of 40 MPa and a DN50 diameter? Waiting online - HCBBS Forum
100. How to remove bubbles inside pipes? - HCBBS Forum