English — Forum #274 (Page 7/77)

1. Specifications for the grounding wire used to ground the motor enclosure - HCBBS Forum
2. 1842, 1843, 1830, 1839 in the turbine quick-shut assembly. What’s the difference between them? - HCBBS Forum
3. Leakage from gas separation pumps, - HCBBS Forum
4. Two breakthroughs in domestic high-end electric drives: ultra-high-speed motors capable of operating at 10,000 revolutions per minute and motors with a vacuum distribution system capable of handling 100,000 units have passed the evaluation process - HCBBS Forum
5. The condensing steam turbine of the propylene refrigeration compressor unit of the separation unit of Ningxia Baofeng Energy Coal-to-Olefins Phase III project was successfully converted in one go - HCBBS Forum
6. Turbine speed control system - HCBBS Forum
7. Regarding lubricant temperature - HCBBS Forum
8. What are the reasons for low lubricating oil pressure in reciprocating compressors? How to handle it? - HCBBS Forum
9. The connection and positioning bolts between the cylinder block and cylinder head of the GD5-1000/17-230 diaphragm compressor are broken - HCBBS Forum
10. What are the starting and helper driver in gas turbines? - HCBBS Forum
11. Fault diagnosis technology for rotating equipment - HCBBS Forum
12. Vibration Analysis Technology for Reciprocating Compressors.pdf - HCBBS Forum
13. The belt tension is 12kgf/28mm, what does it mean? - HCBBS Forum
14. Leakage gas from the primary seal air of the centrifugal compressor - HCBBS Forum
15. Open-petal dual-use extended wrench - HCBBS Forum
16. Regarding pump selection and ordering - HCBBS Forum
17. 5 things to note when performing on-site dynamic balancing of the rotor - HCBBS Forum
18. Answers to Guess the Device by Looking at the Picture 20180615 have been released - HCBBS Forum
19. Is it only multi-stage pumps that require shaft displacement measurement? - HCBBS Forum
20. What is the function of the cooling oil pump? - HCBBS Forum
21. Which are the domestic manufacturers of centrifugal fans and compressors? - HCBBS Forum
22. A regular motor can be used directly after having a frequency converter installed. If a regular motor can work with a frequency converter, then why use special frequency-converter driven motors? - HCBBS Forum
23. Who has used Holberg’s HydroCOM variable air volume control system? - HCBBS Forum
24. Low flow rate, high head - HCBBS Forum
25. Cross-limit control of the outlet temperature of the heating furnace - HCBBS Forum
26. What is this on top of the check valve? - HCBBS Forum
27. What equipment is needed in the lithium battery industry? - HCBBS Forum
28. Unit barring gear - HCBBS Forum
29. I would like to ask the experienced teachers - HCBBS Forum
30. Unit lubricating oil system, - HCBBS Forum
31. Maintenance of the overrunning clutch in polypropylene granulators - HCBBS Forum
32. 【Mechanical Equipment Technology Edition】Daily Question 201802012: Revisiting High Scores from Festive Periods – Screw Compressors Series (2) - HCBBS Forum
33. 【Mechanical Equipment Technology Exchange Edition】Mechanical Equipment 【Daily Question】20210425 - HCBBS Forum
34. Cameron rotor - HCBBS Forum
35. Centrifugal pump impeller perforation - HCBBS Forum
36. 【2026 Transmission Equipment】The hidden high risk associated with changes in the density of the medium in centrifugal pumps - HCBBS Forum
37. Difference between pumps mounted on the centerline and those mounted on footings - HCBBS Forum
38. Regarding reciprocating compressor models - HCBBS Forum
39. [Mechanical Equipment Technology Edition] Daily Question 201708031: Condenser in the Refrigeration Maintenance Process - HCBBS Forum
40. What are the various specifications for compressor lubricant? - HCBBS Forum
41. Speed control and flow variation of centrifugal compressors - HCBBS Forum
42. Regarding fan selection - HCBBS Forum
43. What causes the compressor to vibrate? - HCBBS Forum
44. GEA screw compressor SP1 slide valve control oil circuit - HCBBS Forum
45. Dynamic balancing of multi-axis compressor impellers and rotors - HCBBS Forum
46. Does anyone know about Woodworth’s new TG governor? Is the orange one on top used for the speed test? How to use it specifically? Are there any detailed materials on governors? Animations would be great! Thank you! - HCBBS Forum
47. High-speed dynamic balancing problem - HCBBS Forum
48. Why do reciprocating compressors need to undergo hydrostatic testing? Why don’t centrifugal compressors require it, and which parts of reciprocating compressors are subject to hydrostatic testing? - HCBBS Forum
49. Is there any problem with this pipeline installation? - HCBBS Forum
50. TTMC Vertical Bag Pump.pdf - HCBBS Forum
51. Centrifugal compressor - HCBBS Forum
52. Please help, what is the role of the red bolt of the mixer reducer? Is it an exhaust valve or a breather valve? - HCBBS Forum
53. 100FV (D-32) - HCBBS Forum
54. exhaust fan - HCBBS Forum
55. Can a extraction steam turbine achieve its rated power when operating in full condensation mode? - HCBBS Forum
56. How to maintain a horizontal reactor stirrer when it has been out of use for a long time - HCBBS Forum
57. Throttle cut video - HCBBS Forum
58. Oil pressure of the hydraulic coupler - HCBBS Forum
59. Speed matching issue between turbine and compressor unit - HCBBS Forum
60. What are the effects of a high temperature in the gearbox? - HCBBS Forum
61. Magnetic sealing and mechanical sealing - HCBBS Forum
62. What knowledge areas should a equipment engineer possess? - HCBBS Forum
63. Dry gas seal - HCBBS Forum
64. Regarding the lapping of bearing shells - HCBBS Forum
65. There is a fault with the oil actuator of the turbine in Hangqi; the original stroke was 68.1 mm, but now the total stroke is only 38 mm - HCBBS Forum
66. Guys, what are the reasons for the fracture of the main shaft in water ring compressors? Is there no obvious damage to the bearing after disassembly? - HCBBS Forum
67. A brief discussion on the prospects of accumulators - HCBBS Forum
68. Explanation requested for the cutting groove provided on the tip of the positioning pin - HCBBS Forum
69. 【Ten Years of Rapid Development in Chemical Engineering Equipment】From 2035 to 2026: The Shanghai Research Institute of China Coal Science successfully deployed the world’s most powerful coal mining machine with a cutting height of 0.9 meters - HCBBS Forum
70. [Moving Equipment Technical Exchange Section] Moving Equipment [Daily Question] 20190802 - HCBBS Forum
71. 【Ten Years of Rapid Development in Chemical Engineering Equipment】From 2392 to 2025: Successful commercial operation of China Aero-Engine’s domestically produced 2MW-class pure hydrogen gas turbines - HCBBS Forum
72. How is equipment interlock distinguished from process interlock? - HCBBS Forum
73. Metering pump three-valve assembly - HCBBS Forum
74. 【Ten Years of Rapid Development in Chemical Engineering Equipment】From 2027 to 2025, CNOOC Engineering took the lead in developing a device for detecting the flare angle of cable-laying machines, which has been successfully put into use - HCBBS Forum
75. The function of the mechanical seal flushing plan62 - HCBBS Forum
76. The secondary piston rings of the 4M125 compressor are broken in large numbers; please analyze what could be the causes - HCBBS Forum
77. Are the inlet and outlet buffer tanks that come standard with reciprocating compressors regulated as pressure vessels? - HCBBS Forum
78. Operation problems of ethylene plants - HCBBS Forum
79. 【Ten Years of Rapid Development in Chemical Engineering Equipment】China’s first set of 40-megapascal high-pressure centrifugal compressors for gas storage facilities was put into operation in 3100–2026 - HCBBS Forum
80. Sealing of the turbine control valve stem - HCBBS Forum
81. The shaft of the granulator has broken; the cause is unknown. I hope experts can offer some guidance - HCBBS Forum
82. One Question per Day 20181217 - HCBBS Forum
83. What principle is used by the stepless air volume control installed in reciprocating compressors to achieve energy savings? - HCBBS Forum
84. Standards for the classification of large and medium-sized refrigeration equipment - HCBBS Forum
85. Issues in understanding the API 614 standard - HCBBS Forum
86. The issue of the maximum exhaust volume of centrifugal compressors - HCBBS Forum
87. Disassembly of a multi-stage pump, internal erosion condition - HCBBS Forum
88. Compressor surge - HCBBS Forum
89. screw compressor - HCBBS Forum
90. With these evaluation criteria, repairing compressors must be an extremely daunting task - HCBBS Forum
91. How to choose between a rotary filter and a vacuum belt filter - HCBBS Forum
92. Xihex vacuum pump - HCBBS Forum
93. Find the problems in the picture 20180103 - HCBBS Forum
94. Request equipment - HCBBS Forum
95. Pneumatic press intermediate tank - HCBBS Forum
96. Examples of vibration fault diagnosis - HCBBS Forum
97. Do electric hoists belong to special equipment? - HCBBS Forum
98. What do the symbols marked in red on the drawing mean? - HCBBS Forum
99. Impeller clearance issues in vertical multi-stage pumps - HCBBS Forum
100. Rotary vane blower outlet size - HCBBS Forum