English — Forum #714 (Page 30/68)

1. 【Pump Technology Edition: Daily Question】January 1, 2020 (A reward of 5 wealth points for correct answers on that day) - HCBBS Forum
2. Steps for making openings under pressure, technical support for opening holes under pressure - HCBBS Forum
3. Help needed - HCBBS Forum
4. 【Pump Technology Edition: Daily Question】January 26, 2020 (Spring Festival bonus: 10 wealth points for those who answer correctly before the answers are revealed) - HCBBS Forum
5. Dalian Imperial canned pump clearance problem - HCBBS Forum
6. 【Pump Technology Edition: Daily Question】March 3, 2020 (Section benefit: 10 wealth points as a reward for answering correctly before the answers are revealed) - HCBBS Forum
7. What is the total series capacity for multiple pumps, and what is the half-series capacity? Also, what should be the optimal gap for the balance disc? Thank you for your guidance - HCBBS Forum
8. Problem of valve plate detachment in the outlet electric gate valve - HCBBS Forum
9. Vibration of the cartridge pump increases - HCBBS Forum
10. Should the outlet of a centrifugal pump be fully open under normal operating conditions, or not necessarily? - HCBBS Forum
11. What to do about vibration during the operation of a multi-stage centrifugal pump? - HCBBS Forum
12. 【Pump Technology Edition: Daily Question】January 5, 2020 (5 Wealth points for correct answer) - HCBBS Forum
13. 【Pump Technology Edition: Daily Question】February 5, 2020 (Spring Festival bonus: 10 Wealth points for those who answer correctly before the answers are revealed) - HCBBS Forum
14. How to determine that the impeller direction of a single-stage double-suction pump is not installed incorrectly - HCBBS Forum
15. Modification of liquid methane pump belts - HCBBS Forum
16. Screw oil pump vibration measurement - HCBBS Forum
17. Introduction to Vacuum Pumps: Principles, Selection, Functions – German BETTE - HCBBS Forum
18. What is the purpose of the small holes in the circle shown in the picture? What’s your name? - HCBBS Forum
19. What is the function of the branch pipe next to the inlet and outlet of the centrifugal pump? - HCBBS Forum
20. Regarding the ZA pump suspension model issue - HCBBS Forum
21. Calculation of axial force - HCBBS Forum
22. Where is the pump housing ring? - HCBBS Forum
23. Mechanical Seal Courseware (self-made) - HCBBS Forum
24. Discussion on pump overcurrent - HCBBS Forum
25. Should the reducer at the centrifugal pump outlet be made larger? - HCBBS Forum
26. A vacuum pump is selected for the water extraction process - HCBBS Forum
27. Method for calculating pump shaft power - HCBBS Forum
28. 【Pump Technology Edition: Daily Question】March 29, 2020 (Section benefit: 10 Wealth points as a reward for answering correctly before the answers are revealed) - HCBBS Forum
29. Seeking help with pump selection - HCBBS Forum
30. Coupling - HCBBS Forum
31. Fault diagnosis - HCBBS Forum
32. Vacuum pump installation location - HCBBS Forum
33. Centrifugal pump selection - HCBBS Forum
34. 【Pump Technology Edition: Daily Question】April 15, 2020 (A random member who answers correctly before the answers are released will be rewarded with 10 wealth points) - HCBBS Forum
35. Key points for factory testing of rotor pumps - HCBBS Forum
36. Abnormal startup of the new pump - HCBBS Forum
37. Regarding the flow rate issue of the hot oil pump - HCBBS Forum
38. Comparison of oil mist lubrication and oil sump lubrication characteristics - HCBBS Forum
39. Knowledge of multi-stage pumps - HCBBS Forum
40. Solving the temperature resistance issue of metering pumps - HCBBS Forum
41. Problems with the suction pipe before the pump - HCBBS Forum
42. 【Daily Question: Pump Equipment】Fill-in-the-blank and True/False Questions, May 10, 2019 - HCBBS Forum
43. Liquid cannot be added after the cold pump with nitrogen purge is turned on - HCBBS Forum
44. 【Pump Technology Edition: Daily Question】April 21, 2020 (A random member who answers correctly before the answers are released will be rewarded with 10 wealth points) - HCBBS Forum
45. The centrifugal pump is used for the maintenance and calibration of the backflow device - HCBBS Forum
46. White oil tank - HCBBS Forum
47. -Can a centrifugal pump be used at 100KPA? - HCBBS Forum
48. I can’t understand the gap of the German plunger - HCBBS Forum
49. Regarding mechanical seals for reaction vessels - HCBBS Forum
50. Mechanical seal flushing plan - HCBBS Forum
51. Operation stability of shielded pumps - HCBBS Forum
52. Training video production - HCBBS Forum
53. Multistage centrifugal pump bearing temperature is high - HCBBS Forum
54. That’s the flow rate of the pump; I’d like to know what’s going on - HCBBS Forum
55. There is foam in the lubricating oil of the centrifugal pump bearing box - HCBBS Forum
56. Discussion on the problem of outlet flow fluctuation of small flow and high lift centrifugal pump. - HCBBS Forum
57. Pressure bearing problem of horizontal centrifugal pump body - HCBBS Forum
58. 【Pump Technology Edition: Daily Question】February 3, 2020 (Spring Festival bonus: 10 Wealth points for those who answer correctly before the answers are revealed) - HCBBS Forum
59. What do the PC and SC types of long-lasting centrifugal pumps represent? - HCBBS Forum
60. What are the reasons why the pressure in flushing scheme 32 is higher than that in 53B? - HCBBS Forum
61. 【Pump Technology Edition: Daily Question】January 3, 2020 (5 Wealth points for correct answer) - HCBBS Forum
62. How to install UK series bearings in bearing housings - HCBBS Forum
63. 【Pump Technology Edition: Daily Question】March 22, 2020 (Section benefit: 10 Wealth points as a reward for answering correctly before the answers are revealed) - HCBBS Forum
64. Compression rate of basic metal-graphite wound gaskets - HCBBS Forum
65. Which is better, a magnetic pump or a centrifugal pump? - HCBBS Forum
66. Looking for steam turbine pump manufacturers - HCBBS Forum
67. Is it harmful for a slurry pump to run in reverse after it has been stopped? - HCBBS Forum
68. Screw pump grinding rotor - HCBBS Forum
69. Problem of variable diameter at pump inlet and outlet - HCBBS Forum
70. Application and characteristics of fluorine-lined magnetic pump - HCBBS Forum
71. How is the maximum resistance torque of a piston pump calculated? - HCBBS Forum
72. What kind of pump is suitable for high-volume vacuum pumping? - HCBBS Forum
73. How many people know about the new three-blade multi-stage air-cooled Roots vacuum pump? - HCBBS Forum
74. Service life of the pump - HCBBS Forum
75. Multi-stage pump bearing clearance - HCBBS Forum
76. Can quantitative water addition be achieved using a metering pump? - HCBBS Forum
77. Questions about the friction between the moving and stationary rings of ordinary mechanical seals? - HCBBS Forum
78. I’m seeking help from anyone who might have diagrams showing the axial forces on high-speed pump impellers, or any materials related to impeller design. Thank you in advance. - HCBBS Forum
79. I would like to ask the experts: what is the model of this water ring vacuum pump? - HCBBS Forum
80. 【Daily Question: Pump Equipment】True or False Question, June 26, 2019 - HCBBS Forum
81. Applications of explosion-proof submersible pumps in the chemical industry - HCBBS Forum
82. The suction side of the circulation pump in a closed cooling system always experiences too low pressure - HCBBS Forum
83. Cavitation elimination in water ring vacuum pumps - HCBBS Forum
84. How to install the air ring of a Roots pump - HCBBS Forum
85. Why is the thrust bearing of a cantilever pump installed near the motor side? - HCBBS Forum
86. Pipeline booster pump supplier - HCBBS Forum
87. If the outlet control valve of a magnetic pump fails to open, will leakage occur over time? - HCBBS Forum
88. Stirring issue in the slurry pump feed tank - HCBBS Forum
89. One question per day; no prize for correct answers, it’s mainly for entertainment - HCBBS Forum
90. How to choose a sludge feed pump - HCBBS Forum
91. Problems with the mechanical seal of water jet vacuum pumps - HCBBS Forum
92. Selection of vacuum pumps - HCBBS Forum
93. Plunger pump - HCBBS Forum
94. Multi-stage centrifugal pump - HCBBS Forum
95. 【Daily Question: Pump Equipment】True or False Question, May 22, 2019 - HCBBS Forum
96. Short videos on pump knowledge -- continuously being updated - HCBBS Forum
97. Could some expert please tell me what parameters are required for the order form of steam jet pumps? - HCBBS Forum
98. Seeking advice: How to select an inlet pressure gauge for a centrifugal pump? - HCBBS Forum
99. I’m a complete beginner in this field; I would like to ask the experts here for advice on choosing an appropriate pump - HCBBS Forum
100. Impeller cutting - HCBBS Forum