English — Forum #714 (Page 35/68)

1. Submersible pump or self-priming pump - HCBBS Forum
2. Could the mechanical seal flushing line cause the flushing fluid to flow back? - HCBBS Forum
3. Parallel connection of heat transfer oil circulation pumps - HCBBS Forum
4. 【Daily Question: Pump Equipment】Fill-in-the-blank question, April 2, 2019 - HCBBS Forum
5. On the side of the closed impeller seal, there is a ring – could someone explain what exactly the function of this ring is? - HCBBS Forum
6. Failure rate of diaphragm pumps when handling dilute acids - HCBBS Forum
7. Overheating problem of centrifugal pump motors - HCBBS Forum
8. Selection of pumps with high solid content - HCBBS Forum
9. On bench testing of centrifugal pumps - HCBBS Forum
10. How can the mouth ring of a centrifugal pump be removed quickly and easily? Is there any special tool for this? - HCBBS Forum
11. Today, another stator shield for a Hammett pump was manufactured. - HCBBS Forum
12. The balance drum of the centrifugal pump is stuck - HCBBS Forum
13. High-temperature resistant low-flow pump - HCBBS Forum
14. What is the maximum pressure rating that a standard single-stage centrifugal pump can achieve? - HCBBS Forum
15. 【Daily Question: Pump Equipment】Multiple-choice Question 2018.12.11 - HCBBS Forum
16. Imported blades improve cavitation - HCBBS Forum
17. Why is a pressure gauge added here? - HCBBS Forum
18. I’d like to share a picture of a self-priming pump; could someone knowledgeable tell me what that component in front of the pump is. - HCBBS Forum
19. How do high-pressure vortex pumps achieve high-temperature feed water (up to 100°C)? - HCBBS Forum
20. The entire unit has arrived; align the couplings - HCBBS Forum
21. Regarding the inlet and outlet of centrifugal pumps - HCBBS Forum
22. Cavitation in centrifugal pumps - HCBBS Forum
23. Seeking help with pump selection! ! ! - HCBBS Forum
24. Find the cause of the failure of shaft N in the metering pump - HCBBS Forum
25. Grundfos CR15-05 multi-stage centrifugal pump makes a lot of noise. Please give us some advice on how to solve it. - HCBBS Forum
26. Oil slingers don't do much for bearing lubrication, right? - HCBBS Forum
27. Factors affecting the outlet temperature of Roots blowers - HCBBS Forum
28. What is the flow rate of this positive displacement pump? - HCBBS Forum
29. Need help with motor model! - HCBBS Forum
30. Seeking information on DIN24296 liquid pumps and pump systems: spare parts, selection, and purchasing guidelines - HCBBS Forum
31. What to do if the head of a chemical pump is too low - HCBBS Forum
32. Compression and rebound curve of gaskets in flange connection systems - HCBBS Forum
33. Is it possible to control the pump’s shutdown using a flow meter before the pump? - HCBBS Forum
34. The broken position of the coupling bolt makes people think deeply. Let the heroes take action. - HCBBS Forum
35. I earnestly seek advice from experts in vacuum pumps! - HCBBS Forum
36. The inlet and outlet pipe diameters of the centrifugal pump are the same; the medium is naphtha, and the pressure remains low during loading. How can this issue be resolved? - HCBBS Forum
37. Parallel and series connection of centrifugal pumps - HCBBS Forum
38. What is this thing? - HCBBS Forum
39. Judging the sound of canned pump operation - HCBBS Forum
40. For emulsions containing 20%~40% solids, what type of pump is suitable for circulation? - HCBBS Forum
41. Difference between three-blade and five-blade impellers in centrifugal pumps - HCBBS Forum
42. Consultation on matters related to the selection of chemical process pumps - HCBBS Forum
43. Can a rotor pump transport saline wastewater? - HCBBS Forum
44. Does the size of the self-cleaning hole have some impact on the pump’s efficiency? - HCBBS Forum
45. Is the low-flow line of the pump normally open, or only open when the pump is started? - HCBBS Forum
46. The metering pump fails to build pressure and the flow rate is insufficient. What could be the reason? The check valves have been replaced with new ones - HCBBS Forum
47. 【A journey of a thousand miles begins with a single step – Centrifugal Pumps】1.1 Understanding the concept: Similarity theory and its applications - HCBBS Forum
48. Parallel circulation water pump is experiencing overcurrent, seeking help - HCBBS Forum
49. Sealing flushing type for pumps used in the production of ethylene glycol oxalate from syngas - HCBBS Forum
50. What drives the pumping ring of a centrifugal pump? - HCBBS Forum
51. Siphon tank issues with pumps - HCBBS Forum
52. Alignment of high-pressure hydraulic turbine pumps - HCBBS Forum
53. What is this device? - HCBBS Forum
54. 【Daily Question: Pump Equipment】Weekly Summary 2018.12.2 - HCBBS Forum
55. 【Daily Question: Pump Equipment】True or False Question, 2019.1.25 - HCBBS Forum
56. A beginner asks: What are the well-known international brands that specialize in lubrication pumps? - HCBBS Forum
57. Large axial vibration of the motor - HCBBS Forum
58. What type of pumps should be used to transport polyols, triacetin, and esters respectively? - HCBBS Forum
59. Distinguish the sounds of the pump outlet, pump inlet cavitation, and pipe elbows and valves - HCBBS Forum
60. Selection of high-pressure metering pumps - HCBBS Forum
61. Overheating of high-risk pump seal - HCBBS Forum
62. Seeking advice on the key design aspects of 300-degree heavy oil pumps - HCBBS Forum
63. Can such a shielded pump rotor be used? - HCBBS Forum
64. Asking questions about vertical screw pump - HCBBS Forum
65. BB4 multi-stage pump bearings - HCBBS Forum
66. Inspection tasks before starting a vertical multi-stage centrifugal pump - HCBBS Forum
67. 【Daily Question: Pump Equipment】True or False Question, 1/11/2019 - HCBBS Forum
68. Centrifugal pump flow rate issues - HCBBS Forum
69. Pump pressure - HCBBS Forum
70. Water ring pump, compressor – does it not do work? - HCBBS Forum
71. Multi-stage centrifugal pump: insufficient flow under pressure buildup - HCBBS Forum
72. Energy savings and consumption reduction through variable frequency control of centrifugal pumps - HCBBS Forum
73. What is the working principle of a hydraulic piston pump? - HCBBS Forum
74. Gas-separation shielded pump - HCBBS Forum
75. Double-end mechanical seal - HCBBS Forum
76. Long-shaft submersible pump - HCBBS Forum
77. How are snake spring couplings? - HCBBS Forum
78. Repair the magnetic fluid seal of the lower shaft of the single crystal furnace and re-inject the sealing fluid. - HCBBS Forum
79. Centrifugal pump alignment - HCBBS Forum
80. 【Daily Question: Pump Equipment】True or False Question, April 7, 2019 - HCBBS Forum
81. Welding standards for pump products - HCBBS Forum
82. What type of pump should be used for the crystallizer slurry discharge pump? - HCBBS Forum
83. Is it necessary to use a vacuum pump inside the equipment during maintenance to create a vacuum? - HCBBS Forum
84. Type of pump - HCBBS Forum
85. Classification of diaphragm pump diaphragm materials and their performance applications - HCBBS Forum
86. 【Daily Question: Pump Equipment】Multiple-choice Question 2018.11.19 - HCBBS Forum
87. Hygiene cleaning of moving equipment - HCBBS Forum
88. Seeking expert guidance on the structural principle of quick-close valves with hand wheels - HCBBS Forum
89. Mechanism of corrosion on pump shafts - HCBBS Forum
90. The issue of compression volume in AY-type centrifugal pumps - HCBBS Forum
91. What is this red circle used for? - HCBBS Forum
92. What is the standard for the shaft play of centrifugal pumps? - HCBBS Forum
93. High-pressure hoses are used instead of stainless steel pipes for mechanical seal flushing - HCBBS Forum
94. There is a pump factory in Dalian, and their pumps can achieve an NPSHr of 0.36? - HCBBS Forum
95. Pump selection - HCBBS Forum
96. Backup pump switching - HCBBS Forum
97. What is this? - HCBBS Forum
98. Is the motor frame number the same as the motor model? - HCBBS Forum
99. Corrosion problem of the impeller in single-unit high-pressure pumps - HCBBS Forum
100. Does anyone have the 3D model files needed for chemical processing equipment such as flanges, pipes, valves, and twin-screw pumps? Could you share them? - HCBBS Forum