English — Forum #714 (Page 4/68)

1. The issue of changing the lubricant for water pump bearings from oil to grease - HCBBS Forum
2. Problems with submersible pumps? ? ? ? Could you help analyze it? ? ? Thank you - HCBBS Forum
3. The expensive forced circulation pump is broken - HCBBS Forum
4. The centrifugal pump doesn’t draw water – please provide guidance - HCBBS Forum
5. Shenyang Pump Factory - HCBBS Forum
6. The two-position three-way manual valve at the pyrolysis gas compressor oil station is stuck - HCBBS Forum
7. Hydraulic knowledge - HCBBS Forum
8. Regarding the white oil tank issue - HCBBS Forum
9. What does \"string axis\" mean? What are the phenomena, and how to deal with them? - HCBBS Forum
10. What pump is used to transport refrigerant? - HCBBS Forum
11. Metal flexible graphite wound gasket - HCBBS Forum
12. shielded pump - HCBBS Forum
13. How to choose a water ring vacuum pump for use as a pump to fill water in high-mounted installations? - HCBBS Forum
14. Regarding the installation plan for inspecting the pump - HCBBS Forum
15. Corrosion and cracking issues of multi-stage centrifugal blower casings - HCBBS Forum
16. The problem of cavitation in self-priming pumps - HCBBS Forum
17. Mechanical seal issues for pump equipment - HCBBS Forum
18. What are the standards for the quenched and tempered hardness of the pump shaft surface? - HCBBS Forum
19. [Haichuan Equipment Guess] Is the universal joint used as a drive shaft? ? ? ? - HCBBS Forum
20. As a salesperson for pump equipment, what information is needed to close a deal? - HCBBS Forum
21. Question bank for the theoretical examination of pressure vessel operators: IV. Essay questions - HCBBS Forum
22. 【Daily Q&A 0919】What do you want to say about this bearing? - HCBBS Forum
23. Pipeline economic flow rate data - HCBBS Forum
24. I know the model of the pump, but I’m not sure what type of pump it is; I’m seeking help - HCBBS Forum
25. The Heavy Pump Company successfully won a contract for methanol-poor pump supply in a large domestic olefin project - HCBBS Forum
26. How to select chemical pumps - HCBBS Forum
27. 【Daily Question: Pump Equipment】Short Answer Question, 3/7/2019 - HCBBS Forum
28. Regarding the difference between valve-opening start-up and automatic start-up, as well as the exhaust issue for pumps that start automatically - HCBBS Forum
29. How to level a pump installed on a steel plate? - HCBBS Forum
30. 【Daily Question: Pump Equipment】Multiple-choice - True/False Question, April 28, 2019 - HCBBS Forum
31. 11 Chapter 11 - Centrifugal Pumps.ppt - HCBBS Forum
32. Vertical centrifugal pumps and horizontal centrifugal pumps - HCBBS Forum
33. Operation of high-flow centrifugal pumps - HCBBS Forum
34. On bench testing of centrifugal pumps - HCBBS Forum
35. What are the characteristics of silicon carbide and what should be noted during its use? - HCBBS Forum
36. 【Daily Question】Pump Equipment Technical Exchange Edition 20180208 - HCBBS Forum
37. 【Daily Question: Pump Equipment】Fill-in-the-blank question, April 2, 2019 - HCBBS Forum
38. The auxiliary oil pump of the reciprocating compressor will not stop - HCBBS Forum
39. Could pump equipment be dangerous? - HCBBS Forum
40. Shanghai Jianai: Unveiling the Origins and Performance of Fluoroplastic Magnetic Pumps - HCBBS Forum
41. Which is the best magnetic pump for use in world fairs? - HCBBS Forum
42. Liquid oxygen pump - HCBBS Forum
43. 【Video】Demonstration of the principle of the world’s most advanced vertical turbine pump - HCBBS Forum
44. CDLK Submersible Multi-stage Centrifugal Pump.pdf - HCBBS Forum
45. No slacking off when it comes to the ‘health check’ of equipment! Extend equipment lifespan by over 50% - HCBBS Forum
46. The pump seal is damaged; I want to replace the pump - HCBBS Forum
47. Functions of the mechanical seal auxiliary system for centrifugal pumps - HCBBS Forum
48. Does the size of the self-cleaning hole have some impact on the pump’s efficiency? - HCBBS Forum
49. Can a rotor pump transport saline wastewater? - HCBBS Forum
50. Dalian Empire Shield Pump - HCBBS Forum
51. Experimental demonstration on determining the characteristic curve of centrifugal pumps 【Essential for beginners】 - HCBBS Forum
52. What lubricant should be used for the hot oil pump in PE extrusion units? - HCBBS Forum
53. 【Daily Question】Pump Equipment Technical Exchange Edition 20180115 - HCBBS Forum
54. KSB standardized pump structure demonstration animation - HCBBS Forum
55. I don’t know what torque the set screw should require. - HCBBS Forum
56. Sealing type of the heavy oil pump in the catalytic unit - HCBBS Forum
57. Why does starting a cryopump cause the PLC main unit to shut down? - HCBBS Forum
58. I would like to ask everyone: can a bellows mechanical seal be used on the pump that transports Carbon 5? - HCBBS Forum
59. Common faults of metal rotor flowmeters - HCBBS Forum
60. I would like to ask whether axial flow pumps in rainwater pumping stations generally use variable frequency control? - HCBBS Forum
61. Requirements for the clearance of the balance drum in multi-stage pumps - HCBBS Forum
62. Calculation of operating flow rate for centrifugal pumps - HCBBS Forum
63. Gas-condensing compressor, precautions for switching the condensate pump? - HCBBS Forum
64. What are the inlet and pressure tapping hole of a centrifugal pump used for? - HCBBS Forum
65. Material issues with the flexible valve plate of water ring vacuum pumps - HCBBS Forum
66. The full practical process of reversing a centrifugal pump – only high-quality content is released! ! - HCBBS Forum
67. Selection of high-temperature corrosion-resistant pumps - HCBBS Forum
68. 【Ten Years of Rapid Development in Chemical Processing Equipment】From 1422 to 2024: Domestic production of heavy slurry pumps for use in medium and high-temperature preheaters - HCBBS Forum
69. What should I do if the pump seal keeps leaking? - HCBBS Forum
70. Comparison between claw vacuum pumps and screw vacuum pumps - HCBBS Forum
71. Selection of high-temperature corrosion-resistant pumps - HCBBS Forum
72. Lecture on Basic Knowledge of Centrifugal Pumps.ppt - HCBBS Forum
73. Key points for selecting materials for medical pumps - HCBBS Forum
74. 【2026 Mechanical Equipment】8 Common Mistakes to Avoid When Using Centrifugal Pumps - HCBBS Forum
75. Request start/stop and switching operations for various types of pumps - HCBBS Forum
76. Does anyone know the alarm value for the level transmitter of Tank 52 in Dandong? - HCBBS Forum
77. What are the differences between submersible pumps VS4 and VS5? - HCBBS Forum
78. What is the percentage increase in head when the diameter of a vortex pump impeller is increased? - HCBBS Forum
79. Analyze the reasons for the water pump tripping - HCBBS Forum
80. 【Daily Question】Pump Equipment Technical Exchange Edition 20180110 - HCBBS Forum
81. How does the rotating ring of a stationary mechanical seal rotate? - HCBBS Forum
82. Cooling of double mechanical seals - HCBBS Forum
83. Liquid ring vacuum compressor - HCBBS Forum
84. What is the function of the G value on the Dalian Empire shielded pump? - HCBBS Forum
85. I would like to ask about the setting of flushing oil for the hydrogenation feed pump - HCBBS Forum
86. Where are thrust bearings generally installed on a pump? - HCBBS Forum
87. What are the product features of the submersible chemical pumps made by water pump manufacturers using concentrated sulfuric acid? - HCBBS Forum
88. Sludge pump pipeline? - HCBBS Forum
89. What do the numbers on the circulating water pump body mean? - HCBBS Forum
90. How to install a valve on the outlet of a diaphragm pump? - HCBBS Forum
91. Questions regarding the net positive suction head of the device - HCBBS Forum
92. Mechanical seal pumps and control of organic vapor emissions - HCBBS Forum
93. Are there any requirements regarding the length of the inlet pipeline for cam pumps? - HCBBS Forum
94. What is the difference between IH pumps and API standards? - HCBBS Forum
95. The pump has a head of 50m; the outlet is equipped with a PE electrofusion elbow. Will the elbow not be blown away when the pump starts? - HCBBS Forum
96. 【Daily Question】Pump Equipment Technical Exchange Edition 20180106 - HCBBS Forum
97. Who has the schematic diagram of a pneumatic diaphragm pump? - HCBBS Forum
98. Contact information for high-pressure centrifugal pump manufacturers - HCBBS Forum
99. Can a self-priming pump be used for high-temperature oil (around 300°C)? - HCBBS Forum
100. 【Pump Technology Edition: Daily Question】January 29, 2020 (Spring Festival bonus: 10 wealth points for those who answer correctly before the answers are revealed) - HCBBS Forum