English — Forum #714 (Page 27/68)

1. Corrosion-resistant screw vacuum pump - HCBBS Forum
2. Understanding the optimal flow rate range and allowable operating range of centrifugal pumps - HCBBS Forum
3. Principles for defining oil mist lubrication - HCBBS Forum
4. How to prevent freezing of the seal pipeline of the standby centrifugal pump? - HCBBS Forum
5. Head issue of horizontal centrifugal pumps - HCBBS Forum
6. The necessity of three-stage filtration - HCBBS Forum
7. Liquid pump inlet filter screen - HCBBS Forum
8. The expensive forced circulation pump is broken - HCBBS Forum
9. The issue of changing the lubricant for water pump bearings from oil to grease - HCBBS Forum
10. It’s hot now; the transmitter needs to be cleaned too. - HCBBS Forum
11. Oil mist lubrication system---Economic benefits - HCBBS Forum
12. Regarding the selection of pumps - HCBBS Forum
13. 【Pump Technology Edition: Daily Question】February 23, 2020 (Section perk: 10 Wealth points for those who answer correctly before the answers are revealed) - HCBBS Forum
14. Centrifugal Pump Maintenance Standards.doc - HCBBS Forum
15. [Year of the Rat New Year Prize Activities] Screenshot to send blessings and reward event, screenshot "good health" + send blessings to reward 20 wealth - HCBBS Forum
16. Is it necessary to repair a worn slurry pump? - HCBBS Forum
17. One question per day; no prize for correct answers, it’s just for entertainment - HCBBS Forum
18. Factors determining the flow rate of pumps in closed systems - HCBBS Forum
19. Suspended bearing - HCBBS Forum
20. Is the piping for the siphon tank installed in front of the centrifugal pump correct? - HCBBS Forum
21. 【Pump Technology Edition: Daily Question】January 25, 2020 (Spring Festival bonus: 10 wealth points for those who answer correctly before the answers are revealed) - HCBBS Forum
22. What parts are on the Milton Roy metering pump? - HCBBS Forum
23. What is the head in this English text? 500 meters? - HCBBS Forum
24. 【Pump Technology Edition: Daily Question】January 24, 2020 (Spring Festival bonus: 10 wealth points for those who answer correctly before the answers are revealed) - HCBBS Forum
25. I would like to ask whether this method for calculating the rotor unbalance weight is correct? - HCBBS Forum
26. Test forward and reverse rotation of centrifugal pump motor - HCBBS Forum
27. Can these two pumps be connected in parallel? - HCBBS Forum
28. Pump speed issue - HCBBS Forum
29. What is the function of the polytetrafluoroethylene flow blocking ring in the high-pressure reciprocating pump? - HCBBS Forum
30. Electromagnetic metering pump - HCBBS Forum
31. Problems with outlet pressure control of gear pumps. - HCBBS Forum
32. The problem of pumps frequently adjusting flow rate - HCBBS Forum
33. "How to understand that the pump should have an auto-ventilation function? - HCBBS Forum
34. Caibao Roots Pump, bought second-hand equipment - HCBBS Forum
35. What is the name of this type of pump? - HCBBS Forum
36. In which processes are plastic etched vertical pumps mainly used? - HCBBS Forum
37. 【Equipment & Machinery Section】【Pump Equipment Forum】Management divider — Please upgrade it after moderator management! - HCBBS Forum
38. Which pump is most effective for using benzoic acid salts? - HCBBS Forum
39. The seal clearance of the pump is too large - HCBBS Forum
40. Who has the contact information of manufacturers of explosion-proof stainless steel sewage pumps? - HCBBS Forum
41. One question per day; no prize for correct answers, it’s just for entertainment - HCBBS Forum
42. Feel free to ask questions or discuss any issues related to mechanical seal technology - HCBBS Forum
43. Diaphragm pump - HCBBS Forum
44. The centrifugal pump has an extra wire - HCBBS Forum
45. How to choose the pump head? - HCBBS Forum
46. 【Daily Question: Pump Equipment】True or False Question, June 24, 2019 - HCBBS Forum
47. The flow rate of the multi-stage pump is unstable - HCBBS Forum
48. Analysis of the technical advantages of energy-saving renovation for water pumps - HCBBS Forum
49. 【Daily Question: Pump Equipment】True or False Question, May 27, 2019 - HCBBS Forum
50. Double-screw pump failure - HCBBS Forum
51. Should the eccentric flange at the inlet of a centrifugal pump be installed with its flat surface facing up or down? Why? - HCBBS Forum
52. What’s the reason there is no pressure at the outlet of the pressure pump? - HCBBS Forum
53. The medium is liquid chlorine; what causes one side of the rotor shaft to corrode, and how can this be resolved? - HCBBS Forum
54. Analysis and determination of seal leakage causes - HCBBS Forum
55. Can poor clearance cause oil emulsification? - HCBBS Forum
56. Pump vibration increases - HCBBS Forum
57. Small air-cooled screw vacuum pump - HCBBS Forum
58. 【Pump Technology Edition: Daily Question】February 4, 2020 (Spring Festival bonus: 10 wealth points for those who answer correctly before the answers are revealed) - HCBBS Forum
59. Water ring vacuum pumps can experience either over-pumping or under-pumping - HCBBS Forum
60. drawings - HCBBS Forum
61. May I ask, what kind of pump is generally used for discharging viscous waste? - HCBBS Forum
62. Head of centrifugal pump - HCBBS Forum
63. 【Pump Technology Edition: Daily Question】January 2, 2020 (5 Wealth points for correct answer) - HCBBS Forum
64. I’m asking the experts here to tell me what this component is that connects to the pipeline of the oxygen removal circulation pump, and what its function is. - HCBBS Forum
65. The seal of the high-pressure lean amine liquid pump PLAN52 is in use; the level of the seal oil tank has risen to its full capacity, the pressure is 0.005 MPa, and the temperature of the return seal oil is 55°C. Please analyze the reasons and provide a conclusion – can the mechanical seal continue to operate? - HCBBS Forum
66. Overcurrent problem in centrifugal pumps - HCBBS Forum
67. 【Daily Question: Pump Equipment】Fill-in-the-blank question, April 19, 2019 - HCBBS Forum
68. Seeking help with a metering pump issue - HCBBS Forum
69. Currently, an IHF centrifugal pump is used to pump hydrochloric acid, with an external WB2 seal; when there is a leak, it causes corrosion of the pump casing and its gland. How can this be resolved? - HCBBS Forum
70. NPSH - HCBBS Forum
71. Selection issues for underfloor heating circulation pumps - HCBBS Forum
72. Find the reasons for bearing damage during the operation of sludge transfer screw pumps - HCBBS Forum
73. Methods for studying residual mist treatment in oil mist lubrication - HCBBS Forum
74. I would like to ask how to connect the inlet and outlet flanges of a fluorine pump? - HCBBS Forum
75. 【Daily Question: Pump Equipment】True or False Question, May 9, 2019 - HCBBS Forum
76. 【Pump Technology Edition: Daily Question】February 8, 2020 (Spring Festival bonus: 10 Wealth points for those who answer correctly before the answers are revealed) - HCBBS Forum
77. What are the reasons why the motor of the sewage lift pump trips easily? - HCBBS Forum
78. 【Pump Technology Edition: Daily Question】March 13, 2020 (Section benefit: 10 wealth points for those who answer correctly before the answers are revealed) - HCBBS Forum
79. The issue of the explosion protection rating for electric motors. - HCBBS Forum
80. 【Pump Technology Edition: Daily Question】April 9, 2020 (Section perk: 10 Wealth points for those who answer correctly before the answers are revealed) - HCBBS Forum
81. What pump is used for feeding dry acrylic fiber dope? - HCBBS Forum
82. Does the pump shaft of a magnetic pump have to be made of silicon carbide? - HCBBS Forum
83. What is the priming tank of a centrifugal pump related to? - HCBBS Forum
84. Why can pumps with low specific speed not achieve a flow rate of 105%~110% of the optimal efficiency flow rate point? - HCBBS Forum
85. A pump was visible on the device; its name was Magnetic Drive Chemical Process Pump - HCBBS Forum
86. What does the ratio in a vacuum unit mean? How should I use it? - HCBBS Forum
87. 【Pump Technology Edition: Daily Question】January 4, 2020 (5 Wealth points for correct answer) - HCBBS Forum
88. Has anyone used a Tesla pump? Seek popular science knowledge - HCBBS Forum
89. 【Pump Technology Edition: Daily Question】February 18, 2020 (Section benefit: 10 Wealth points as a reward for answering correctly before the answers are revealed) - HCBBS Forum
90. How is the motor frame number determined for Dalian shielded pumps? - HCBBS Forum
91. Problems with double-diaphragm metering pumps - HCBBS Forum
92. High vibration after replacing the impeller of the pump - HCBBS Forum
93. Why can rapid oil filling of a standby pump cause the running pump to become empty? - HCBBS Forum
94. Fit of bolts and holes in elastic diaphragm couplings - HCBBS Forum
95. LPG pump - HCBBS Forum
96. I would like to ask everyone about pump selection - HCBBS Forum
97. Questions regarding the laminated coupling on the pump - HCBBS Forum
98. 【Pump Technology Edition: Daily Question】January 30, 2020 (Spring Festival bonus: 10 Wealth points for those who answer correctly before the answers are revealed) - HCBBS Forum
99. Calculations for series and parallel operation of centrifugal pumps.ppt - HCBBS Forum
100. Is the repair and maintenance of mechanical equipment the responsibility of machine mechanics, or does it require the involvement of everyone? - HCBBS Forum