English — Forum #350 (Page 14/163)

1. How does the trend of historical M6 system points increase - HCBBS Forum
2. Dinghua Radar Instrument Training School: How do radar level gauges achieve measurement without any blind spots? - HCBBS Forum
3. What needs to be checked in the security assessment of a SIS system? - HCBBS Forum
4. Download issues with JX300-XP - HCBBS Forum
5. Describe based on the image -- Intrinsically safe solenoid valve - HCBBS Forum
6. Guys, I need help with the drawing method of PID diagrams for valves - HCBBS Forum
7. 【2025 Safety Design】Key Points for Valve Settings of Compressors - HCBBS Forum
8. Seeking help with domestic sledgehammers - HCBBS Forum
9. 【2025 Accumulated Knowledge】12. Issues with level switch measurement - HCBBS Forum
10. 【2025 Industrial Automation News】Emerson releases significant updates to the DeltaV platform - HCBBS Forum
11. Dinghua Radar Instrument Training School: Precautions for using the guide wave tube in radar level gauges - HCBBS Forum
12. 【2026 Book Recommendations】Engineering Design of Piping Systems for Petrochemical Plants - HCBBS Forum
13. [2025 Standards] The \"Requirements and Evaluation Methods for the Intelligence Level of Industrial Instruments\" have been officially issued, to take effect on December 1, 2025 - HCBBS Forum
14. May I ask how factories detect internal leakage in valves by pressure testing? - HCBBS Forum
15. The division of the work interface leads to one’s own technical shortcomings - HCBBS Forum
16. The capillary of the on-site instrument lacks protection and is also tied up; how should this be fixed? - HCBBS Forum
17. SIL classification and verification issues - HCBBS Forum
18. 【2025 Industry Trends】The three leading companies (Satellite Chemical, Kaixin Energy, Baofeng Energy) are increasing their investment in high-end polyolefins production - HCBBS Forum
19. 【2025 Pressure Rating】Are the valve pressure rating and the pipeline pressure rating the same? - HCBBS Forum
20. Signal distribution box - HCBBS Forum
21. Issues regarding floating-point precision - HCBBS Forum
22. Regarding the layout of the engineer station - HCBBS Forum
23. 【2025 Level Gauges】Differences between different antennas of radar level gauges - HCBBS Forum
24. 【Haichuan Intelligence】Yuntianhua Dawa’s ammonia production plant has successfully commissioned the world’s first system that integrates artificial intelligence (AI) with real-time optimization (RTO) technologies - HCBBS Forum
25. 【2025 Control Systems】Selection of PLC Communication Methods - HCBBS Forum
26. 【Weekend Share-14】Can valves be installed above the pedestrian walkways in chemical plant facilities? - HCBBS Forum
27. Let’s test you--Discussion on the selection of DN1400 electric fluorinated rubber butterfly valves - HCBBS Forum
28. How to correctly select the range for a radar level gauge? - HCBBS Forum
29. HollySys SIS system alarm - HCBBS Forum
30. The reason why current signals are more resistant to electric field coupling interference than voltage signals - HCBBS Forum
31. 【Typical Issues in Flow Meter Installation 009】Installation location of the differential pressure transmitter for orifice plate flow meters - HCBBS Forum
32. How to select a radar level gauge? - HCBBS Forum
33. The opening on the device for the instrument - HCBBS Forum
34. 【2025 CCR】Explosion-proof door interlock in the blast control room - HCBBS Forum
35. The pressure variator display does not match the remote transmission. - HCBBS Forum
36. 【Weekend Share-22】What is the difference between surge protectors and lightning arresters? - HCBBS Forum
37. 【Standard Specifications】GB/T 45111-2024 \"Layer of Protection Analysis (LOPA), Safety Integrity Level Classification and Verification\" - HCBBS Forum
38. Qilu Petrochemical uses intelligent equipment to improve the efficiency of water quality testing - HCBBS Forum
39. Regarding the selection of cable trays for instruments - HCBBS Forum
40. How are critical alarms selected? - HCBBS Forum
41. 【Y2025】Selection of ATEX explosion-proof and ASCO solenoid valves - HCBBS Forum
42. Seek the Chinese version of the NACE MR 0103-2005 standard - HCBBS Forum
43. 【2025 Analysis Instruments】Analysis instruments are called “meters” or “instruments,” and there are principles behind this as well - HCBBS Forum
44. 【2025 I&C】Requirements of proportional control systems for control valves and examples - HCBBS Forum
45. Vibration Detection Instrument Data Sheet - HCBBS Forum
46. The main differences among DVC 6200 HC, AD, and PD - HCBBS Forum
47. [2025 Tech Brief] Guoneng New Materials – Successful trial run of the controllably cross-linked polyethylene project - HCBBS Forum
48. Comparison of Old and New Interpretations of SHT-3081 Grounding Design Specifications – 2003 VS 2019 - HCBBS Forum
49. I would like an introduction to and information on the applications of the TSxPlus system configuration software, Architect Program. Thank you! - HCBBS Forum
50. Valve position switch selection - HCBBS Forum
51. [2025 Temperature Instruments] Calculation and Selection of Thermometer Tube Strength per ASME PTC 19.3 TW-2016 - HCBBS Forum
52. Is it necessary to cover the emergency stop button on the site/control room auxiliary console with a seal? - HCBBS Forum
53. A card-type temperature sensor is installed in the explosion-proof junction box; is a separate explosion-proof certification required? - HCBBS Forum
54. 【2025 Chemical Industry News】China’s first integrated production facility for ASA resin has been put into operation, breaking through and filling a gap in the domestic market! - HCBBS Forum
55. Differences between HCV and PCV – See the images to understand - HCBBS Forum
56. Looking for the Beijing Far East Rosemount selection manual - HCBBS Forum
57. Dinghua Radar Instrument Training School: What technologies are used in the measurement of levels with guided-wave radar level gauges? - HCBBS Forum
58. Flammable and toxic gas detection alarm - HCBBS Forum
59. A variety of instrument problems - HCBBS Forum
60. Glass tube level gauge - HCBBS Forum
61. axonometric drawing - HCBBS Forum
62. 【2025 Temperature Meters】Can one thermocouple be connected to multiple display instruments or DCS system cards? - HCBBS Forum
63. Software for calculation, selection, and verification of the orifice diameter for gauge orifices - HCBBS Forum
64. Is the emergency shut-off valve manual or automatic? - HCBBS Forum
65. Issues regarding the number of settings for measuring the water level in boiler drums - HCBBS Forum
66. 【Ten Years of Rapid Development in Chemical Equipment】2037–2024: China’s First Large-Scale Model for the Petrochemical Industry Based on AI Technology - HCBBS Forum
67. 【2025 Book Recommendations】Fundamentals and Applications of Hazard and Operability Analysis (HAZOP) - HCBBS Forum
68. ICP-MS Inductively Coupled Plasma Mass Spectrometer - HCBBS Forum
69. 【2025 Specification Requirements】The regulatory basis for installing dual valves in chemical plants - HCBBS Forum
70. Issues with command issuance by the JX-300XP main control card - HCBBS Forum
71. 【Y2025】Q&A on Grounding Technology - HCBBS Forum
72. Has anyone studied microcontrollers? - HCBBS Forum
73. On-site issues with turbine flowmeters! - HCBBS Forum
74. [Haichuan Intelligence] Operation of the “intelligent diagnosis and analysis model” for Guangdong Petrochemical’s catalytic cracking unit – key performance indicators of the stabilization system - HCBBS Forum
75. Is it possible to shut down the compressor without going through the compressor PLC in the SIS system? - HCBBS Forum
76. 【2025GIF】Direct-through two-seat valve - HCBBS Forum
77. Technical Discussion on Zhejiang University Zhongkong TCS-500 - HCBBS Forum
78. Pre-commissioning inspection checklist for new equipment - HCBBS Forum
79. 【2025 Fun Fact】 The difference between “chain” and “interlock” - HCBBS Forum
80. PID control of control valves - HCBBS Forum
81. For level 3 major hazard sources, since interlocks are already in place in the SIS systems at the inlet and outlet, is it necessary to have interlocks also in the DCS system? - HCBBS Forum
82. 【2025 Industrial Automation Updates】Rotork releases the next-generation intelligent valve positioner RTP-4000 - HCBBS Forum
83. Precision chemical process flow meters - HCBBS Forum
84. Implementation of the project to transfer Party A’s instruments to Party B’s DCS system - HCBBS Forum
85. Filling in the range of the weighing instrument. - HCBBS Forum
86. Can electromagnetic methods be used for softening water in steel mills? - HCBBS Forum
87. Thinning problem of control valves - HCBBS Forum
88. New standards for control valves released - HCBBS Forum
89. Bluetooth cloud screen: A powerful tool for instrument manufacturers to break through constraints​ - HCBBS Forum
90. Basic principles and comparison of intelligent valve positioners (nine major foreign brands) - HCBBS Forum
91. Seeking \"Instrumentation Engineering Design for Petrochemical Plants\" - HCBBS Forum
92. Regarding the valve voltage rating - HCBBS Forum
93. What brand of valve positioners are used in various companies, and what are their advantages and disadvantages? - HCBBS Forum
94. Should the control cabinet that comes with the complete set of equipment be placed in the cabinet room or in the power distribution room? - HCBBS Forum
95. [2025 Grounding System] Should the metal enclosures of field instruments, instrument protection boxes, wiring boxes, etc. be provided with protective grounding? - HCBBS Forum
96. What are the specific requirements for surface hardening (HF) of ball valves in engineering design? - HCBBS Forum
97. Can rotameters be used in high-temperature and high-pressure environments? - HCBBS Forum
98. Instrument grounding system - HCBBS Forum
99. Can a fire alarm system share the UPS with instruments? - HCBBS Forum
100. Does the shut-off valve come with a handwheel, and how should it be designed? - HCBBS Forum