English — Forum #714 (Page 34/68)

1. How many methods are there for controlling the flow rate of centrifugal water pumps? - HCBBS Forum
2. What is the type of sealing water for the pump? Some use self-media flushing, while others use external water – what determines this? - HCBBS Forum
3. Import pump nameplate - HCBBS Forum
4. Model parameters of water pumps from various manufacturers - HCBBS Forum
5. What are the structural differences between pumps made of metallic materials and those made of non-metallic materials? - HCBBS Forum
6. Regarding the lubrication of motors - HCBBS Forum
7. Name of the pump - HCBBS Forum
8. liquid ring vacuum pump - HCBBS Forum
9. S-series single-stage double-suction center-open centrifugal pump - HCBBS Forum
10. I would like to ask, what should be done if the current consumption of a centrifugal pump is low? - HCBBS Forum
11. When to turn on the testing instrument - HCBBS Forum
12. [Daily Question: Pump Equipment] Weekly Summary 2018.12.30 - HCBBS Forum
13. Difference between Roots blowers and vortex blowers in vacuum feeding - HCBBS Forum
14. The medium temperature exceeds the temperature specified in the equipment design - HCBBS Forum
15. Shielded pump - HCBBS Forum
16. Centering and alignment - HCBBS Forum
17. Pump selection - HCBBS Forum
18. Have you all used the hose diaphragms for Filowa pumps? - HCBBS Forum
19. 【A journey of a thousand miles begins with a single step – Centrifugal Pumps】1.1 Understanding the concept: Power - HCBBS Forum
20. Are the foundation bolts loose, and is one of the supports at the bottom of the fan broken? How does the irregularity of the sound affect things? - HCBBS Forum
21. Quality checkpoint issues - HCBBS Forum
22. After the spiral shell pump was shut down normally, it failed to deliver fluid when restarted; no significant wear was found upon disassembling the pump for inspection. I’d like to ask for everyone’s opinions. Thank you! - HCBBS Forum
23. Seeking advice on selection issues - HCBBS Forum
24. The impact of high inlet pressure on the operation of a plunger pump - HCBBS Forum
25. The pump still leaks even after it’s installed – what could be the reason? - HCBBS Forum
26. 【Daily Question: Pump Equipment】Fill-in-the-blank question, 3/20/2019 - HCBBS Forum
27. Impeller nut O-ring wire diameter - HCBBS Forum
28. Single-stage cantilever centrifugal pump rotor dynamic balance - HCBBS Forum
29. How to select the rotational speed of a centrifugal pump impeller? - HCBBS Forum
30. Which pumps are required for rolling bearings with medium lubrication? - HCBBS Forum
31. Allowable stress of steel pipes? ? - HCBBS Forum
32. 【Daily Question: Pump Equipment】Weekly Summary April 14, 2019 - HCBBS Forum
33. 【Daily Question: Pump Equipment】True or False Question, 3/15/2019 - HCBBS Forum
34. Issue of changing oil lubrication to grease lubrication for water pumps - HCBBS Forum
35. Rolling bearing clearance basis - HCBBS Forum
36. Types of lubricants for pump rolling bearings - HCBBS Forum
37. Bubbling of lubricating oil in the oil sight glass - HCBBS Forum
38. Why does the Positive Temperature Coefficient electromagnetic starter of the pump trip? - HCBBS Forum
39. Calculation of submersible pumps - HCBBS Forum
40. Selection of pump head - HCBBS Forum
41. Since the inlet and outlet flanges of the cast iron pump are made of cast iron, what material should be used for the matching flanges and connection pipes? - HCBBS Forum
42. When buying a pump, the power value calculated by the manufacturer’s sizing seems incorrect – what should I do? - HCBBS Forum
43. Pump selection issue - HCBBS Forum
44. The 304 bushing has stuck to the shaft – is there any way to fix this? - HCBBS Forum
45. Puzzles regarding single-stage double-suction centrifugal pumps - HCBBS Forum
46. Abnormal noises during the operation of a swing check valve - HCBBS Forum
47. High current in centrifugal pump, low outlet pressure - HCBBS Forum
48. 【Daily Question: Pump Equipment】True or False Question, 1.8.2019 - HCBBS Forum
49. Pump equipment - HCBBS Forum
50. Exchange on mechanical seal technology - HCBBS Forum
51. How does the pump’s minimum flow control valve function? - HCBBS Forum
52. Take a look at this seal - HCBBS Forum
53. 【Daily Question: Pump Equipment】Short Answer Question, 2019.2.10 - HCBBS Forum
54. Comprehensive utilization of circulating water - HCBBS Forum
55. A newcomer to equipment management with a weak foundation – what books should be bought to learn?* - HCBBS Forum
56. Pump flushing - HCBBS Forum
57. Which domestic pump manufacturers are performing well? - HCBBS Forum
58. 【Daily Question: Pump Equipment】True or False Question, 2018.12.24 - HCBBS Forum
59. Has anyone used this pump with wheels? - HCBBS Forum
60. Lubrication and maintenance mechanisms of common machine pumps - HCBBS Forum
61. What should be done if the foam properties of the turbine lubricant are not up to standard? - HCBBS Forum
62. The pressure of a centrifugal pump - HCBBS Forum
63. Can a centrifugal pump operate at any speed? - HCBBS Forum
64. Vibration problem of the water pump outlet pipe - HCBBS Forum
65. I’d like to ask everyone: how is the number of dynamic sealing points in mechanical equipment counted? - HCBBS Forum
66. I know the model of the pump, but I’m not sure what type of pump it is; I’m seeking help - HCBBS Forum
67. 【Daily Question: Pump Equipment】Short Answer Question, 2019.2.28 - HCBBS Forum
68. Discussion and analysis on the damage to the metal laminations of the circulating water pump coupling? - HCBBS Forum
69. Rough machining is also important - HCBBS Forum
70. Broken shaft of centrifugal pump - HCBBS Forum
71. It would be best to have an illustration explaining the working principle of the air lift pump - HCBBS Forum
72. What material should be used for an acetic acid reactor at 110℃ - HCBBS Forum
73. Pressure components, water pressure, pressure gauge, range, accuracy - HCBBS Forum
74. 【Daily Question: Pump Equipment】Fill-in-the-blank question, February 20, 2019 - HCBBS Forum
75. 【Daily Question: Pump Equipment】Weekly Summary March 31, 2019 - HCBBS Forum
76. Selection of centrifugal pump seal - HCBBS Forum
77. Can the backup pump’s mechanical seal withstand the pressure at the pump outlet? - HCBBS Forum
78. Integrated prefabricated pump station - HCBBS Forum
79. What are the common reasons for modifying the original impellers of centrifugal pumps? - HCBBS Forum
80. Book recommendations on the maintenance and repair of centrifugal pumps - HCBBS Forum
81. Seeking help with pump selection - HCBBS Forum
82. What is the reason for the pressure in the balance tube of a multi-stage centrifugal pump to be zero? - HCBBS Forum
83. What are the inlet and pressure tapping hole of a centrifugal pump used for? - HCBBS Forum
84. Regarding the issue of the temperature in the vacuum furnace - HCBBS Forum
85. How to solve high bearing temperature - HCBBS Forum
86. 【Daily Question: Pump Equipment】Short Answer Question, 3/7/2019 - HCBBS Forum
87. Liquid oxygen pump - HCBBS Forum
88. Acid pump selection - HCBBS Forum
89. I have a question about pumps? - HCBBS Forum
90. I have a question regarding the engine unit? - HCBBS Forum
91. 【Daily Question: Pump Equipment】Short Answer Question, 3/4/2019 - HCBBS Forum
92. How to choose the right pump for different environments - HCBBS Forum
93. 【Daily Question: Pump Equipment】Fill-in-the-blank question, 2019.2.13 - HCBBS Forum
94. The shaft is broken - HCBBS Forum
95. Does the water pump experience cavitation at any operating point? - HCBBS Forum
96. Bolt thermal tightening rotation arc length and rotation angle - HCBBS Forum
97. Valve in front of pressure gauge, pressure rating - HCBBS Forum
98. Could Qing recommend manufacturers of high-temperature oil pumps? - HCBBS Forum
99. Seek a wear-resistant positive displacement pump for transporting sludge containing magnetic particles - HCBBS Forum
100. Operation of high-flow centrifugal pumps - HCBBS Forum