English — Forum #714 (Page 28/68)

1. The pump’s head is insufficient - HCBBS Forum
2. How is the linear speed of a mechanical seal calculated? - HCBBS Forum
3. After a while, the self-priming pump can no longer prime on its own and water needs to be added - HCBBS Forum
4. Inlet pressure, rotational speed, air intake volume - HCBBS Forum
5. Centrifugal pump mouth ring wear, clearance standards - HCBBS Forum
6. Which one has a higher ultimate vacuum, a reciprocating pump or a water ring pump? More stable in operation? - HCBBS Forum
7. Safety Operating Procedures for Centrifugal Pumps.doc - HCBBS Forum
8. GC1 pipeline - HCBBS Forum
9. Pump type issue - HCBBS Forum
10. Operation of the ethylene oxide pump - HCBBS Forum
11. The vibration acceleration of the vertical gearbox in the polymerization reactor is quite high, and the noise level is also high. Could someone please offer some advice? - HCBBS Forum
12. Question about material - HCBBS Forum
13. After the centrifugal pump impeller is cut, the flow rate increases and the outlet pressure decreases? - HCBBS Forum
14. How to adjust the clearance of a four-point contact ball bearing - HCBBS Forum
15. What is the purpose of this pipeline in front of the centrifugal pump? It says on the drawing that it’s a pressure balance pipeline. Could anyone who knows explain this? If it’s a pressure balance pipeline, how is balance achieved? - HCBBS Forum
16. Discuss together - HCBBS Forum
17. Mud pump - HCBBS Forum
18. The two-position three-way manual valve at the pyrolysis gas compressor oil station is stuck - HCBBS Forum
19. Ask the equipment expert for advice - HCBBS Forum
20. 【Daily Question: Pump Equipment】True or False Question, 2019.9.15 - HCBBS Forum
21. One question per day; no prize for correct answers, it’s just for entertainment. - HCBBS Forum
22. Questions about the pressure of the buffer tank at the inlet of a centrifugal pump and the effective cavitation margin of the pump - HCBBS Forum
23. centrifugal pump - HCBBS Forum
24. Seeking help with tube fitting issues in the PL52 mechanical seal auxiliary system? - HCBBS Forum
25. Help, what is this unit? - HCBBS Forum
26. One-on-one interactive post on centrifugal fan technology - HCBBS Forum
27. Reasons for the failure of mechanical seals - HCBBS Forum
28. Issues regarding the installation of check valves at the pump outlet - HCBBS Forum
29. What measures should be taken to effectively prevent corrosion in vacuum pumps? - HCBBS Forum
30. Issues regarding high-speed pumps - HCBBS Forum
31. Water retaining ring? - HCBBS Forum
32. What standard should be used for expansion bolts? - HCBBS Forum
33. This is the non-drive side bearing chamber of the double-suction circulating water pump. The rolling bearings are lubricated with grease. May I ask?: - HCBBS Forum
34. Handling of damaged filter screens - HCBBS Forum
35. Advantages of vacuum discharge gear pumps - HCBBS Forum
36. Regarding the installation plan for inspecting the pump - HCBBS Forum
37. Pumps made of carbon steel - HCBBS Forum
38. Petrochemical pump - HCBBS Forum
39. Guess - HCBBS Forum
40. shielded pump - HCBBS Forum
41. What type of pump should be used for transporting a fluid containing solid salt particles? The solid content is below 1 percent. - HCBBS Forum
42. Metal flexible graphite wound gasket - HCBBS Forum
43. Improving pump efficiency and saving energy by applying high-molecular super-smooth and wear-resistant materials - HCBBS Forum
44. The flange at the inlet of the self-priming pump is soft; why is this type of connection used here? - HCBBS Forum
45. …………What pumps do people use for powder?………… - HCBBS Forum
46. 【Pump Technology Edition Daily Question】(December 31, 2019) A reward of 5 Wealth points for correct answers - HCBBS Forum
47. Water pump performance curve plotting tool - HCBBS Forum
48. The medium passes through the orifice - HCBBS Forum
49. 【Daily Question】Multiple-choice Question 2019.5.11 - HCBBS Forum
50. Can silicon nitride bushings be used with pumps for fluorine-containing wastewater, when the concentration is below 5 percent? - HCBBS Forum
51. What are the typical annual inspection and maintenance tasks for vane pumps? - HCBBS Forum
52. Sampling is done from ordinary centrifugal pumps; water is added to the pump using a water intake tank and pipes along with bottom valves. What is the difference between these two methods? - HCBBS Forum
53. Urgently need TLB series maintenance documents, pictures, and course materials from Liaoning Hengxing - HCBBS Forum
54. Can pump equipment be installed on the roof of the factory building - HCBBS Forum
55. How to calculate head? ? - HCBBS Forum
56. 【Daily Question: Pump Equipment】Multiple-choice Question, May 28, 2019 - HCBBS Forum
57. The fire pump outlet compensator often deforms - HCBBS Forum
58. Looking for brands of imported pipeline pumps - HCBBS Forum
59. Why is the system pressure fluctuating wildly in the flushing scheme for seal 53B? - HCBBS Forum
60. Can changing the frequency of a computerized pump save electricity, and by how much? - HCBBS Forum
61. How to calculate the bearing service life of Sauer Danfoss 40 series piston motors - HCBBS Forum
62. Regarding the issue of continuous increase in outlet pressure after the diaphragm pump stops - HCBBS Forum
63. Cooling method for water in the water ring vacuum pump - HCBBS Forum
64. Issues regarding bearing lubrication - HCBBS Forum
65. Let’s take a look and see if this statement is correct - HCBBS Forum
66. Centrifugal Pump Inspection Standards.doc - HCBBS Forum
67. Series seal making squeaking noises - HCBBS Forum
68. Centrifugal pump lubrication management - HCBBS Forum
69. A plunger metering pump - HCBBS Forum
70. High vibration in the shaft bearings of the steam turbine generator set? - HCBBS Forum
71. 【Daily Question: Pump Equipment】True or False Question, 2019.5.17 - HCBBS Forum
72. The 100WFB-B self-priming pump is filling with water during startup; what are the implications of this? - HCBBS Forum
73. Can welded steel pipes be used for the nozzles of vertical cylindrical steel oil tanks? - HCBBS Forum
74. Vortex pump self-priming - HCBBS Forum
75. Pump selection - HCBBS Forum
76. Pump parameters do not match - HCBBS Forum
77. Regarding the issue of loose shaft head bolts in shielded pumps - HCBBS Forum
78. A newcomer is asking about the reasons for the pit-like defects in the impeller of a centrifugal pump - HCBBS Forum
79. How to fix bubbling in the water tank of a water-jet vacuum pump? - HCBBS Forum
80. Why, when cavitation occurs in a pump – for example, when the inlet filter gets clogged and the flow rate decreases – does the head also decrease? Isn’t it such that, according to the pump’s performance curve, the head decreases as the flow rate increases? - HCBBS Forum
81. Axial maintenance issues of single-stage double-suction centrifugal pumps - HCBBS Forum
82. What kind of pump is this? - HCBBS Forum
83. What should I do if the turbine body of the pump is leaking? - HCBBS Forum
84. Issues in selecting vacuum pumps for purchase - HCBBS Forum
85. Calculations for centrifugal pumps and pipeline pressure ranges - HCBBS Forum
86. Help: The horizontal vibration of the bearing at the coupling end of the centrifugal pump is above the acceptable level – how can this be resolved? - HCBBS Forum
87. Problems with removing the rotor of a coaxial pump - HCBBS Forum
88. Have you seen a pump for mixing powders? - HCBBS Forum
89. Selection of mechanical pumps - HCBBS Forum
90. Liquid ammonia pump usage - HCBBS Forum
91. Centrifugal pump failures, repair techniques - HCBBS Forum
92. Selection criteria for mechanical seals in special media - HCBBS Forum
93. Looking for recommendations on corrosion-resistant materials - HCBBS Forum
94. Single end cartridge mechanical seal for pumps - HCBBS Forum
95. Factors causing severe vibration in acid-alkali resistant self-priming pumps! ~ - HCBBS Forum
96. 【Pump Technology Edition: Daily Question】March 8, 2020 (Section benefit: 10 Wealth points as a reward for answering correctly before the answers are revealed) - HCBBS Forum
97. Abnormal noise from the pump volute - HCBBS Forum
98. Reasons for high bearing temperature in multi-stage pumps - HCBBS Forum
99. A beginner seeking advice on how to connect a pump? ? Thank you - HCBBS Forum
100. Knowing the exhaust pressure, how to choose a vacuum pump. - HCBBS Forum