English — Forum #714 (Page 54/68)

1. Seeking advice: Should the bottom of the static ring in a mechanical seal come into contact with the bottom of the flange cover? - HCBBS Forum
2. Rotating equipment inspection - HCBBS Forum
3. Centrifugal pump selection, - HCBBS Forum
4. How are the I, II, and III categories of centrifugal pumps defined? - HCBBS Forum
5. 【Daily Question】Pump Equipment Technical Exchange Edition 20180203 - HCBBS Forum
6. Questions about cqb magnetic pump - HCBBS Forum
7. I need help from experts, please! I really need help from experts! What are the differences and uses between an oil baffle ring and a skeleton oil seal? - HCBBS Forum
8. Problems with two pumps in series - HCBBS Forum
9. 【Daily Question】Pump Equipment Technical Exchange Edition 20180329 - HCBBS Forum
10. I am looking for a pump unit with the following requirements - HCBBS Forum
11. Can the fuel tank of a centrifugal pump be cleaned with diesel? - HCBBS Forum
12. Boost pump suction lift - HCBBS Forum
13. Is the excessive actual discharge volume of shielded pumps related to the density of the medium? I’m asking all the experts for help in answering this question; I’d be extremely grateful! ! ! - HCBBS Forum
14. For feeding the filter press, is it possible to use compressed air to push the material from the reaction vessel instead of a pump? - HCBBS Forum
15. Problems with steam jet vacuum pumps - HCBBS Forum
16. Metering pump - HCBBS Forum
17. Wastewater treatment. PAC, PAM. Problems with the back pressure valve and damper in the metering pump system - HCBBS Forum
18. I’ve consulted various experts – the VCM Dalian Empire shielded pump frequently experiences bearing burnout; where exactly is the problem? - HCBBS Forum
19. Please recommend reliable domestic manufacturers of hydraulic diaphragm metering pumps - HCBBS Forum
20. Applications of heat pumps - HCBBS Forum
21. Liquid nitrogen pump, brand - HCBBS Forum
22. Post #1983567
23. Air-cooled and water-cooled options for pumps - HCBBS Forum
24. To make matters worse, another pump has developed a problem. I would appreciate it if all the experts could help analyze this issue. Thank you! - HCBBS Forum
25. Check valves for the main oil pump and auxiliary oil pump of the centrifugal compressor - HCBBS Forum
26. Pump PID legend - HCBBS Forum
27. 【Daily Question】Pump Equipment Technical Exchange Edition 20180401 - HCBBS Forum
28. The pump is in such a poor condition already - HCBBS Forum
29. It can’t build pressure – please advise - HCBBS Forum
30. Cooling water pump and circulation water pump - HCBBS Forum
31. Counter-circulation shielded pump - HCBBS Forum
32. Explanation of mechanical seal flushing methods - HCBBS Forum
33. What are the ten key points for maintaining oil research plunger pumps? - HCBBS Forum
34. What distance in meters should be designed between buried n-hexane storage tanks and pumps located outdoors? - HCBBS Forum
35. Problems with grease - HCBBS Forum
36. The company has installed a horizontal multi-stage centrifugal pump, and they need a set of technical specifications; I’ve never written such things before. I’m reaching out to ask for help from my classmates. - HCBBS Forum
37. Why can’t the pressure and flow rate of this pump be increased? - HCBBS Forum
38. Analysis of the causes of idling of chemical magnetic pumps - HCBBS Forum
39. Are there any recommended high-quality brands or suppliers for pneumatic diaphragm pumps? - HCBBS Forum
40. Overhaul a Roots pump - HCBBS Forum
41. Cantilever centrifugal pumps and simply supported centrifugal pumps - HCBBS Forum
42. Control logic diagram for internal compression process liquid oxygen pump - HCBBS Forum
43. The outlet buffer tank of the Texaco high-pressure coal slurry pump is damaged (the bladder has ruptured), causing fluctuations in the outlet pressure. How to deal with this? - HCBBS Forum
44. The head of two pumps in series. - HCBBS Forum
45. I recently repaired a multi-stage pump, and there are some issues I still can’t figure out; I hope some experts can give me some advice - HCBBS Forum
46. Water ring pumps are noisy - HCBBS Forum
47. Besides Zeus, which other company makes good wear-resistant and corrosion-resistant pumps? - HCBBS Forum
48. Pumping liquid from the low-level tank - HCBBS Forum
49. 【Daily Question】Pump Equipment Technical Exchange Edition 20180309 - HCBBS Forum
50. On-site repair methods for shaft wear in water ring vacuum pumps - HCBBS Forum
51. For pumps that are not in use during winter, how can the liquid inside the pump chamber be emptied? - HCBBS Forum
52. Methods for dealing with oil leakage in Roots blowers - HCBBS Forum
53. 【Daily Question】What are the reasons why the catalytic special valve oil pump cannot start on its own? (20170901) - HCBBS Forum
54. How does a centrifugal pump work? - HCBBS Forum
55. Information on Haimitec’s shielded pumps and magnetic pumps, - HCBBS Forum
56. Should the salt water pump for the refrigeration system be installed on the inlet pipe or the outlet pipe of the evaporator? - HCBBS Forum
57. Is the actual head at the centrifugal pump outlet equal to the pump’s outlet head minus the difference in liquid level between the inlet and outlet? - HCBBS Forum
58. Heat transfer oil circulation pump - HCBBS Forum
59. Seek analysis of shaft fracture in single-stage double-suction pumps - HCBBS Forum
60. The issue of emergency lighting duration in the fire pump room? - HCBBS Forum
61. Pump selection - HCBBS Forum
62. What is the quality of Teflo pneumatic diaphragm pumps? - HCBBS Forum
63. Centrifugal pump with priming tank and self-priming pump - HCBBS Forum
64. Excuse me, expert – what is the function of a pump preheater? ? ? - HCBBS Forum
65. Selection of low-flow hydrogen feed pump - HCBBS Forum
66. At temperatures over 300 degrees, for pumps made of material A-8, what is a suitable material for the pump shaft? - HCBBS Forum
67. What is the outlet pressure of the booster pump? - HCBBS Forum
68. 【Daily Question】Pump Equipment Technical Exchange Edition 20180421 - HCBBS Forum
69. Precautions to be taken when using fluoroplastic magnetic pumps - HCBBS Forum
70. Which manufacturers produce good centrifugal pump seal systems? - HCBBS Forum
71. I’m seeking advice from fellow sailors: what is the purpose of the pipeline from the outlet to the inlet of a multi-stage centrifugal pump, as shown in the diagram? - HCBBS Forum
72. Is it necessary to provide an effective net positive suction head? - HCBBS Forum
73. Mechanical seals and oil seals - HCBBS Forum
74. 【Daily Question】Pump Equipment Technical Exchange Edition 20180429 - HCBBS Forum
75. What is this small tank at the pump outlet used for? - HCBBS Forum
76. Impact of variable frequency pump speed on the motor and frequency conversion - HCBBS Forum
77. 【Registered Machinery General Section】20170729 Fourth Week: Effective Power of Pumps - HCBBS Forum
78. Compressor oil station oil pump - HCBBS Forum
79. Have you ever seen a centrifugal pump that starts automatically? - HCBBS Forum
80. What is this? - HCBBS Forum
81. 【Daily Question】Pump Equipment Technical Exchange Edition 20180423 - HCBBS Forum
82. The pump has no flow rate and the pressure is very high - HCBBS Forum
83. Piping design (control valves, pumps) - HCBBS Forum
84. Seeking help with questions regarding the suction lift of pumps and the required net positive suction head! - HCBBS Forum
85. Issues regarding the welding of pump body cast steel parts - HCBBS Forum
86. The respective features, advantages, and disadvantages of vertical self-priming pumps and horizontal self-priming pumps - HCBBS Forum
87. Selection of high-pressure hydrochloric acid transfer pumps - HCBBS Forum
88. Foundation bolt specifications - HCBBS Forum
89. Please ask an expert to explain it - HCBBS Forum
90. Regarding the issue of equipping liquid ammonia tanks with liquid ammonia transfer pumps - HCBBS Forum
91. How should the head of a pump with a capacity of 50 m3/h be calculated? - HCBBS Forum
92. Photo of the mechanical seal ring surface finish band - HCBBS Forum
93. Issues regarding the start-up of centrifugal pumps - HCBBS Forum
94. How should beginners get started with selecting pumps? I hope fellow sailors can give me some advice! - HCBBS Forum
95. Regarding using a stethoscope to determine the vibration of pumps and motors? - HCBBS Forum
96. The master spent 30 years doing one thing - repairing water pumps. You will definitely use this experience - HCBBS Forum
97. During the commissioning of the centrifugal pump, the flow rate kept decreasing - HCBBS Forum
98. Pump selection - HCBBS Forum
99. Why can’t centrifugal pumps be run in reverse for a long time - HCBBS Forum
100. After the multi-stage centrifugal pump starts operating, the pump pressure remains constant while the flow rate continues to decrease until it stabilizes at 50% - HCBBS Forum