English — Forum #714 (Page 44/68)

1. What are the reasons why the condensate pump does not deliver fluid? - HCBBS Forum
2. Cryogenic liquid pump - HCBBS Forum
3. How are axes classified by function? What type of shaft is the pump shaft? - HCBBS Forum
4. For mechanical seals, how is the compression amount of the spring determined during installation? - HCBBS Forum
5. When the same pump operates at 3000 rpm and 3100 rpm, is its specific speed the same? - HCBBS Forum
6. Hydrogenation unit hydraulic turbine pump - HCBBS Forum
7. Discuss the effects and potential risks of pressure at the inlet of a centrifugal pump on the pump itself - HCBBS Forum
8. Seek help regarding high-pressure pump brands - HCBBS Forum
9. Effect of impeller cutting on axial force - HCBBS Forum
10. Consultation on materials for chemical pumps - HCBBS Forum
11. Deep well pump impeller fracture - HCBBS Forum
12. 【Daily Question: Pump Equipment】Fill-in-the-blank question, 3.2.2019 - HCBBS Forum
13. Borrowing it for a moment – a member of China Chemical Equipment Network is checking some information - HCBBS Forum
14. Enjoy guessing riddles - HCBBS Forum
15. Why can’t the head of self-priming pumps reach a higher value?/ - HCBBS Forum
16. Which stage in the process do you belong to? - HCBBS Forum
17. 【Daily Question: Pump Equipment】Fill-in-the-blank question, 2019.2.22 - HCBBS Forum
18. What is the allowable amount of water dripping from the mechanical seal of a centrifugal pump? - HCBBS Forum
19. Crack in the crankshaft of a reciprocating vacuum pump - HCBBS Forum
20. Vacuum tube suction silencer - HCBBS Forum
21. API682 —— Seeking help with issues related to PLAN31 - HCBBS Forum
22. Pump efficiency quick reference app - HCBBS Forum
23. The metering pump does not deliver fluid - HCBBS Forum
24. Reasons for the failure of the impeller in centrifugal pumps - HCBBS Forum
25. Metering pump - HCBBS Forum
26. Equipment issue - HCBBS Forum
27. Problems with power cables? - HCBBS Forum
28. Compressors for transporting corrosive gases - HCBBS Forum
29. 【Daily Question: Pump Equipment】True or False Question, 12/31/2018 - HCBBS Forum
30. 【Daily Question: Pump Equipment】Short Answer Question, 3.6.2019 - HCBBS Forum
31. Factors affecting the flow rate of the chemical dosing pump - HCBBS Forum
32. Problem of reverse rotation when a cantilever pump is stopped - HCBBS Forum
33. Advantages of a large inlet diameter and a large outlet diameter in vortex pumps - HCBBS Forum
34. 316L castings, seawater corrosion - HCBBS Forum
35. The valve seat of the check valve in the diaphragm pump is always damaged - HCBBS Forum
36. Centrifugal pump trips - HCBBS Forum
37. Calculation formula for pumps - HCBBS Forum
38. Where does the gas pumped by a water ring vacuum pump go? - HCBBS Forum
39. What is that black cylindrical component in the metering pump head? How to operate it? Thank you all - HCBBS Forum
40. Dimensions of vibration measurement mounting hole for two-wheel water pump - HCBBS Forum
41. A beginner in mechanics seeking information on centrifugal pumps - HCBBS Forum
42. Why can a centrifugal pump be operated with the impeller blocked for a short period of time? - HCBBS Forum
43. What is a Weidong box? - HCBBS Forum
44. Mechanical seal - HCBBS Forum
45. Atmospheric and vacuum liquid ring pumps and liquid ring booster pumps - HCBBS Forum
46. Issues regarding pump selection for scaling-prone media - HCBBS Forum
47. 【Daily Question: Pump Equipment】Fill-in-the-blank question, 3/28/2019 - HCBBS Forum
48. Pump pressure - HCBBS Forum
49. Comprehensive Guide to Sanitation Pumps - HCBBS Forum
50. May I ask a question about the aircraft crew? - HCBBS Forum
51. Shielded pump motor insulation - HCBBS Forum
52. I have a few questions regarding pipeline centrifugal pumps - HCBBS Forum
53. Kaisili - HCBBS Forum
54. Which company manufactures this impeller? - HCBBS Forum
55. Vertical multi-stage centrifugal pumps cannot draw water when under negative pressure - HCBBS Forum
56. Why does the NPSHr of chemical pumps being lower than that of pipeline pumps? - HCBBS Forum
57. 【Daily Question: Pump Equipment】Short Answer Question, 3/26/2019 - HCBBS Forum
58. 【A journey of a thousand miles begins with a single step – Centrifugal Pumps】1.1 Understanding the concepts: Classification and naming of pumps - HCBBS Forum
59. 【A journey of a thousand miles begins with a single step – Centrifugal Pumps】Preface - HCBBS Forum
60. Centrifugal pump drawings, CAD design for water pumps - HCBBS Forum
61. Problems with rotary valves in bag filters in nicotinamide production - HCBBS Forum
62. 【Daily Question: Pump Equipment】Multiple-choice Question 2018.12.6 - HCBBS Forum
63. High-speed pump for lean amine solution - HCBBS Forum
64. Need help with a high-temperature asphalt pump? - HCBBS Forum
65. Roots blower! - HCBBS Forum
66. Dalian Empire Shielded Pump Operation Procedures.doc - HCBBS Forum
67. Lubricating oil is used in common centrifugal pumps - HCBBS Forum
68. How do diaphragm pumps perform at temperatures above 150°C? - HCBBS Forum
69. 【Daily Question: Pump Equipment】Fill-in-the-blank question, 3/19/2019 - HCBBS Forum
70. For a high-speed pump with three-stage series sealing, how does the intermediate isolation fluid flow? - HCBBS Forum
71. Vibration of multi-stage centrifugal pumps - HCBBS Forum
72. 【Daily Question: Pump Equipment】Fill-in-the-blank question, 3/22/2019 - HCBBS Forum
73. Ask for help: Reasons for oil leakage of anti-spiral seal type oil seal - HCBBS Forum
74. Why is the cavitation head value lower on a closed-type test bench compared to an open-type one? - HCBBS Forum
75. Seek guidance on the basics of vacuum pumps - HCBBS Forum
76. Adjustment of the seal spring compression when replacing bearings in a pump - HCBBS Forum
77. Why must centrifugal pumps operate in the descending section of the Q-H flow-head curve? - HCBBS Forum
78. Installation method of magnetic pump - HCBBS Forum
79. I would like to ask why a gap of 0.1–0.25 is required between the inner ring of the thrust bearing of a centrifugal pump and the locking washer - HCBBS Forum
80. Everyone, guess how this mechanical seal got damaged - HCBBS Forum
81. Seeking advice: How to create a characteristic curve for a double-stage centrifugal pump while it is in operation - HCBBS Forum
82. Centrifugal pumps have high starting current - HCBBS Forum
83. Who can provide information on “Chemical Engineering Machinery Maintenance Technology”? Thank you. - HCBBS Forum
84. Is it necessary to apply the API RP 582 standard for the weld evaluation of API 610 pumps? - HCBBS Forum
85. Issues related to pump temperature selection - HCBBS Forum
86. A few questions about centrifugal pumps and compressors - HCBBS Forum
87. The issue with pump outlet pressure - HCBBS Forum
88. Nitric acid pump - HCBBS Forum
89. Centrifugal pump: insufficient oil level - HCBBS Forum
90. How can I tell the direction of rotation of the pump? - HCBBS Forum
91. Do ZE chemical pumps require cooling for their bearing housings? Thank you - HCBBS Forum
92. 【Daily Question: Pump Equipment】True or False Question, April 1, 2019 - HCBBS Forum
93. 【Daily Question: Pump Equipment】Short Answer Question 2019.2.11 - HCBBS Forum
94. Abnormal noises in twin-screw pumps - HCBBS Forum
95. Wet metallurgy process pump manufacturers - HCBBS Forum
96. What is the percentage increase in head when the diameter of a vortex pump impeller is increased? - HCBBS Forum
97. Problems encountered with rotor pumps when unloading methanol - HCBBS Forum
98. Is it better for a centrifugal pump to have an extended motor shaft without a coupling, or to have a coupling? - HCBBS Forum
99. What type of vacuum pump system should be used for pumping systems containing butyl acetate at high vacuum? - HCBBS Forum
100. 【Daily Question: Pump Equipment】Weekly Summary 2018.12.16 - HCBBS Forum