English — Forum #92 (Page 8/86)

1. What parameters are required for selecting a steam trap? - HCBBS Forum
2. Skid-mounted equipment - HCBBS Forum
3. Installation direction of high-temperature and high-pressure stop valves - HCBBS Forum
4. What kind of valve is this? - HCBBS Forum
5. jb4703-2000 Long-neck Butt Welding Flange - HCBBS Forum
6. Installing the low-temperature control valve requires careful attention - HCBBS Forum
7. Structure length issue of lift-type check valves - HCBBS Forum
8. Turning the valve back a couple of turns after fully opening it, and turning it back a couple of turns after closing it completely – does this provide any protective effect? What principle? Please provide the structure diagram - HCBBS Forum
9. Dredge valve - HCBBS Forum
10. Do pipelines in petrochemical plants need to be grounded for insulation? What standards should be followed? - HCBBS Forum
11. 【Haichuan Equipment Guessing Game】One valve stem pulls two, with a regular shape and a large belly - HCBBS Forum
12. PVC pipe threads - HCBBS Forum
13. Information on BB.01 - HCBBS Forum
14. 350-degree molten salt medium: strong penetration capacity and moderate corrosion; what material is suitable for valves? - HCBBS Forum
15. What material should be used for pipes, valves, and reactors for fluorine-nitrogen gas mixtures? - HCBBS Forum
16. What is the maximum flow rate limit for carbon monoxide at 0.7Mpa? Are there any relevant regulations specifying this? - HCBBS Forum
17. Question regarding the pipe fitting warranty certificate - HCBBS Forum
18. Pipes \"sweat\" in summer“ - HCBBS Forum
19. The distance between the cabinet and the wall - HCBBS Forum
20. What is the difference between Korean-style economical two-piece ball valves and ordinary two-piece ball valves? - HCBBS Forum
21. For the first time in the country, a large-diameter steel pipe with a diameter of 3444 millimeters was installed overhead across a river - HCBBS Forum
22. When the burial depth is sufficient, should LNG pipelines be buried directly or in trenches? - HCBBS Forum
23. What are the reputations of these three types of valves: Shanghai Yahan, KAIWEIXI, and SIMAK? - HCBBS Forum
24. Why do safety valves leak more under steam conditions - HCBBS Forum
25. In what situations are adjustable brackets used? - HCBBS Forum
26. Are there any manufacturers of jacketed connectors? - HCBBS Forum
27. Help needed regarding insulation felt - HCBBS Forum
28. Questions regarding the requirement for low-pressure sealing tests in the \"Specifications for Inspection and Management of Petrochemical Valves\" (SH 3518-2013) - HCBBS Forum
29. It’s that kind of valve; come and take a look - HCBBS Forum
30. Electro-hydraulic gate valve flue gate valve flue baffle door - HCBBS Forum
31. How to install, calculate, and select safety valves for superheated steam pipelines - HCBBS Forum
32. Knowing the diameter of the stainless steel flange, how to determine the size of the gasket - HCBBS Forum
33. Regarding the selection of domestic flange standards - HCBBS Forum
34. Does the emergency shut-off valve in the tank area have a special design? - HCBBS Forum
35. How can one determine the quality of these three flanges? - HCBBS Forum
36. As of now, which is better between J41H and J41Y for valves? - HCBBS Forum
37. 8-character blind flange standard - HCBBS Forum
38. Where did the stem packing of this valve come from? - HCBBS Forum
39. I would like to ask about the installation of supports for small pipelines on utility tunnels - HCBBS Forum
40. Pressure test of thermal oil pipeline - HCBBS Forum
41. Weaving method for the specifications and models of American standard valves - HCBBS Forum
42. Pipe diameter change - HCBBS Forum
43. Are straight pipe sections required before and after the rotameter? - HCBBS Forum
44. Issues overlooked during the maintenance of pneumatic valves - HCBBS Forum
45. Method of lubricating a gate valve with butter - HCBBS Forum
46. Material requirements for pressure pipelines - HCBBS Forum
47. Could an expert please take a look and tell me what model of valve it is? Is it US standard? - HCBBS Forum
48. What material should be used for boiler feed water (including deionized water and deoxygenated water) and steam condensate pipes? - HCBBS Forum
49. Requirements for low-temperature impact testing of long-distance pipelines - HCBBS Forum
50. Do the steam and feedwater pipes for waste heat power generation belong to power pipes? - HCBBS Forum
51. How can molten salt valves meet the demands of both reliability and cost? - HCBBS Forum
52. Why are steam systems equipped with steam traps? - HCBBS Forum
53. Regarding the types and parameters of steel pipe flanges per GB/T 9112-2010 - HCBBS Forum
54. I have a question regarding these three brands - HCBBS Forum
55. Please ask an experienced person to explain this description of the pipe fitting - HCBBS Forum
56. Does all stainless steel need to be passivated? - HCBBS Forum
57. Precautions for the use of compensators in gas pipeline installation - HCBBS Forum
58. Non-plastic pipes cannot be used for flammable, highly hazardous, and extremely hazardous media - HCBBS Forum
59. Supply seamless steel pipes, steel materials, profiles - HCBBS Forum
60. The effect of pickling solution concentration on stainless steel - HCBBS Forum
61. Needle-type throttle angle valve - Explanation of valve knowledge - HCBBS Forum
62. The Nord Stream undersea pipeline has leaked; let’s discuss what methods can be used to seal the leak - HCBBS Forum
63. Seeking pictures of valves and their Chinese names - HCBBS Forum
64. Drawing of ductwork construction drawings - HCBBS Forum
65. The history and development of valves - HCBBS Forum
66. Can 304+PTFE be used for the valve bodies, valve cores, and valve seats of 98% sulfuric acid and 105% sulfuric acid valves? - HCBBS Forum
67. Some discussions on carbon steel ball valves. - HCBBS Forum
68. Are rupture disks and explosion vents installed on the boiler? - HCBBS Forum
69. How far apart should supports/pile caps be installed for gas pipelines buried across flood channels? - HCBBS Forum
70. Urgently seeking manufacturers of Y-type threaded ammonia stop valves - HCBBS Forum
71. Calculation of flexible metal hose length - HCBBS Forum
72. The solid materials discharged from the centrifuge go to two separate tanks; what type of valve should be used for separation? - HCBBS Forum
73. Who has the standard QB/T 4877-2015 polytetrafluoroethylene pipes? Please share - HCBBS Forum
74. The drain pipe leads directly into the water tank - HCBBS Forum
75. Worm ball valve - HCBBS Forum
76. Convert American standard bolts to metric - HCBBS Forum
77. Fan system piping - HCBBS Forum
78. Application scope of 90-degree right-angled welded elbows - HCBBS Forum
79. Design change - HCBBS Forum
80. Soft connections are not used for the outlet pipeline of the liquid chlorine storage tank; spring supports are used instead. Is this appropriate? - HCBBS Forum
81. Escrow issues - HCBBS Forum
82. Maximum flow velocity of water in pipes of different diameters - HCBBS Forum
83. What to do if the orientation coordinates of the drawing are set incorrectly? - HCBBS Forum
84. FRPP material - HCBBS Forum
85. Questions regarding pipeline filter standards - HCBBS Forum
86. Wiring hose joint machining diagram - HCBBS Forum
87. What does the term \"lining flange cover plug welding hole\" mean? - HCBBS Forum
88. Valve spare parts kit - HCBBS Forum
89. Seeking help with heating large-diameter pipes - HCBBS Forum
90. High-quality PPT: Maintenance, calibration, fault analysis, and troubleshooting methods for safety valves - HCBBS Forum
91. A Brief Discussion on Pipe Identification – Fire Protection Pipes - HCBBS Forum
92. What are the reasons for frequent leakage of safety valves? - HCBBS Forum
93. How to issue a warranty certificate for flanges made of steel plates - HCBBS Forum
94. Pipe wall thickness - HCBBS Forum
95. Ceramic-lined flange ends - HCBBS Forum
96. Questions about the linear expansion coefficient of metals in GB/T20801-2020? - HCBBS Forum
97. Issues related to flanged valves for pipes in Series 2 of GB/T17395-2008 - HCBBS Forum
98. Is insulation necessary for long-distance diesel pipelines? - HCBBS Forum
99. Sharing on titanium-zirconium fittings - HCBBS Forum
100. Regarding pneumatic three-way valves - HCBBS Forum