English — Forum #714 (Page 3/68)

1. 【Video】18. High-definition animation of CIRCOR screw pump (available upon reply) - HCBBS Forum
2. Pump net positive suction head - HCBBS Forum
3. I’m looking for recommendations for manufacturers in China that are good at producing lined pumps - HCBBS Forum
4. ~~~Pump industry standard equipment~~~~~Resource sharing~~~~Summarizing helps avoid detours~~~~~~~~ - HCBBS Forum
5. Features of the SVP all-stainless-steel silent pump - HCBBS Forum
6. Mechanical seal - HCBBS Forum
7. Let’s take you inside valve positioners! - HCBBS Forum
8. What kind of pump is suitable for high-volume vacuum pumping? - HCBBS Forum
9. Regarding the minimum flow line of the pump - HCBBS Forum
10. I have a question about pumps? - HCBBS Forum
11. Mechanical diaphragm pump drawings, - HCBBS Forum
12. The shielded pump vibrates severely; the TRG gauge is in the yellow zone – seeking advice on this issue - HCBBS Forum
13. The shaft is broken - HCBBS Forum
14. Grundfos pump disassembly and repair video - HCBBS Forum
15. The inlet flange of the pipeline pump is cracked; can it be repaired by welding? - HCBBS Forum
16. Seeking advice on the characteristic curve of centrifugal pumps - HCBBS Forum
17. How long is the longest pump you’ve seen, and which manufacturer makes it? - HCBBS Forum
18. Gear pumps, rotor pumps for water transport - HCBBS Forum
19. Consultation on magnetic pump diaphragm issues - HCBBS Forum
20. Looking for steam turbine pump manufacturers - HCBBS Forum
21. Can shielded pumps be used for anthracene oil transportation? - HCBBS Forum
22. How can frequency conversion of the pump ensure both constant current and constant pressure? ? ? Need to save energy too? ? - HCBBS Forum
23. What is the difference between magnetic drive pumps and shielded pumps? - HCBBS Forum
24. What are the requirements for the flushing oil used in pump mechanical seals? - HCBBS Forum
25. One question per day; no prize for correct answers, it’s mainly for entertainment - HCBBS Forum
26. If the outlet control valve of a magnetic pump fails to open, will leakage occur over time? - HCBBS Forum
27. Basic framework issues regarding mechanical pumps - HCBBS Forum
28. The centrifugal pump is used for the maintenance and calibration of the backflow device - HCBBS Forum
29. Sinopec Pump Maintenance Fitter Vocational Skill Assessment Question Bank - HCBBS Forum
30. In tubular reactor operation, what method is used for measuring the flow of liquid chlorine? - HCBBS Forum
31. CAT Pump – High-pressure cleaner piston pump repair video – _Standard definition - HCBBS Forum
32. Seeking the maintenance procedures for the methanol plant, including centrifugal compressors, steam turbines, plunger pumps, centrifugal pumps, etc - HCBBS Forum
33. Sweep of single-stage centrifugal pumps - HCBBS Forum
34. The outlet valve of the centrifugal pump requires pressure buildup to allow flow; seeking help. - HCBBS Forum
35. 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
36. Overview of the concept and selection methods for Roots vacuum pumps - HCBBS Forum
37. What materials should be used for the mechanical seal rings in highly corrosive media - HCBBS Forum
38. Pump selection issue: low head, high flow rate - HCBBS Forum
39. Pump selection - HCBBS Forum
40. [Haichuan Chemical Technology Documentation] Alignment accuracy requirements and empirical data for various types of coupling in rotating machinery - HCBBS Forum
41. Request for equipment diagram of magnetic submersible pump for liquid chlorine - HCBBS Forum
42. Consultation on the selection of high-viscosity pumps - HCBBS Forum
43. Trouble with the frequency converter of centrifugal pumps tripping - HCBBS Forum
44. What is the definition of centrifugal pump blade wrap angle? I am a student, please ask centrifugal pump designers for help. - HCBBS Forum
45. Problems with sliding bearings in high-temperature molten salt pumps - HCBBS Forum
46. Calculation of the self-priming tank volume for centrifugal pumps - HCBBS Forum
47. A magnetic seal shaft sealing device for general mechanical equipment, easy to install. - HCBBS Forum
48. What is the structure and working principle of the Daikin hydraulic oil pump? - HCBBS Forum
49. 109 Do you know about water hammer pumps? No electricity is needed; just a few bent pipes are sufficient to deliver water to a high place - HCBBS Forum
50. Basic Knowledge of Vibration III——Placement of Measurement Points and Installation of Sensors - HCBBS Forum
51. Can the materials of the stationary and rotating rings in a mechanical seal be the same? - HCBBS Forum
52. 【Daily Question: Pump Equipment】Weekly Summary June 30, 2019 - HCBBS Forum
53. How is the amount of steam consumed by a steam reciprocating pump calculated? - HCBBS Forum
54. Centrifugal pump alignment - HCBBS Forum
55. Comprehensive Guide to Mechanical Seal Flushing Schemes - HCBBS Forum
56. Do you know the two cooling methods for chemical process shielded pumps? - HCBBS Forum
57. Characteristic parameters of Tokyo Kikai PV series plunger pumps and common models - HCBBS Forum
58. Can high-head pumps be used under low-head operating conditions? - HCBBS Forum
59. The difference between maintenance and upgrade of York screw compressor is quite big! - HCBBS Forum
60. How should a Nikkiso gear pump that is leaking be repaired? - HCBBS Forum
61. Dalian Empire shield pump video animation - HCBBS Forum
62. Welding standards for pump products - HCBBS Forum
63. Starting method of the fire pump - HCBBS Forum
64. What is this? - HCBBS Forum
65. Seeking advice on the key design aspects of 300-degree heavy oil pumps - HCBBS Forum
66. What is the basis for not allowing transfer pumps to be placed inside the fire dike of Class C tank areas? - HCBBS Forum
67. Troubleshooting of fluoroplastic magnetic pump - HCBBS Forum
68. 【2026 Pump Selection】Pump selection and pipeline pressure drop calculation - HCBBS Forum
69. pH value of 9–10, temperature of 80°C; the gray cast iron impeller of the pump was damaged after half a year - HCBBS Forum
70. What is the minimum opening degree at the outlet of a centrifugal pump? Does the outlet of a variable-frequency centrifugal pump generally need to be fully open? What is the meaning of three inlet ports and one outlet port for the pump? Please have an expert explain it! - HCBBS Forum
71. Performance of asphalt pumps - HCBBS Forum
72. Case of the Week (Accident Handling Training): Analysis of the incident involving the unexpected shutdown of the feed pump - HCBBS Forum
73. Corrosion of titanium - HCBBS Forum
74. Submersible pump or self-priming pump - HCBBS Forum
75. Reciprocating diaphragm pump - HCBBS Forum
76. On the structural principle of shielded pumps and the circulation path of the circulating fluid - HCBBS Forum
77. The liquid level in the tank of the self-priming pump cannot be maintained; it needs to be refilled frequently - HCBBS Forum
78. Discussion on blower selection and operating conditions - HCBBS Forum
79. How to choose between a magnetic pump and a shielded pump - HCBBS Forum
80. NPSH - HCBBS Forum
81. What is the flow rate of this positive displacement pump? - HCBBS Forum
82. I want to replace the standard cast iron impeller with a stainless steel one, but the manufacturer says they don’t have the molds - HCBBS Forum
83. Selection of pump seals and couplings for hot water pipelines - HCBBS Forum
84. Methods for studying residual mist treatment in oil mist lubrication - HCBBS Forum
85. Find the reasons for bearing damage during the operation of sludge transfer screw pumps - HCBBS Forum
86. Help needed with issues regarding the oil pump pumping water - HCBBS Forum
87. What is the priming tank of a centrifugal pump related to? - HCBBS Forum
88. Regarding aromatic extraction vacuum pumps. - HCBBS Forum
89. After replacing the seal on the high-speed pump, oil leakage occurred - HCBBS Forum
90. Bearing lubrication method - HCBBS Forum
91. Take a look at the world’s largest phosphate mine - HCBBS Forum
92. What is the maximum pressure rating that a standard single-stage centrifugal pump can achieve? - HCBBS Forum
93. Reasons for the explosion of large gear pumps and their repair methods - HCBBS Forum
94. Data sheet on the chemical corrosion resistance of industrially pure titanium - HCBBS Forum
95. When welding the isolation sleeve container of a magnetic pump at temperatures in the low tens of degrees below zero, what precautions should be taken? - HCBBS Forum
96. Can a variable frequency drive be used for a vertical reciprocating vacuum pump equipped with a shaft-end pump? - HCBBS Forum
97. 【Daily Question】Pump Equipment Technical Exchange Edition 20180414 - HCBBS Forum
98. 【2026 Conveying Machinery】To truly determine whether a fan is suitable, it is necessary to consider air volume, air pressure, power, and speed together - HCBBS Forum
99. CZ40-315 machine pump bearing box bearing over temperature - HCBBS Forum
100. Does a hot oil pump cause the oil temperature to rise? - HCBBS Forum