English — Forum #350 (Page 8/163)

1. The temperature switch controls the start and stop of the fan - HCBBS Forum
2. 【2025 Engineering Applications】Application of double-acting positioners in single-acting valves‌ - HCBBS Forum
3. Pump outlet flow control issue - HCBBS Forum
4. On split-range control of level and pressure - HCBBS Forum
5. 【2025 Related Knowledge】Which valves require NACE treatment - HCBBS Forum
6. 【2025 E&C】Measures to prevent high-voltage electricity from damaging instrument components at the interface between the motor’s DI and the instrument’s DO - HCBBS Forum
7. Dinghua Radar Knowledge Lecture: What are the interferences in the measurement process of radar level gauges? - HCBBS Forum
8. I have a question about SIS - HCBBS Forum
9. Problems with two-stage (three-position) pneumatic cut-off ball valves - HCBBS Forum
10. [2026 Flange Standards] Key differences between European PN-series flanges and American Class-series flanges - HCBBS Forum
11. Are there any regulations requiring that the air supply ball valve of the automatic valves in a DCS system be marked with a \"Do Not Close\" indication or secured using tie straps? - HCBBS Forum
12. What is the medium of the pre-desilication mother liquor? - HCBBS Forum
13. I would like to ask about the letter codes used for valves - HCBBS Forum
14. How to export historical data for a certain period using the PKS reporting function - HCBBS Forum
15. Operation Station Windows_vhdx Solution - HCBBS Forum
16. ▏Technology*▏ The flame monitoring probe is powered externally with 24VDC; what size fuse should be used? - HCBBS Forum
17. 【2025 Explosion-Proof Accessories】Selection and Application of Explosion-Proof Flexible Hoses and Explosion-Proof Flanges - HCBBS Forum
18. 【2025 Industrial Automation News】HollySys and Kylin Software Reach Strategic Partnership - HCBBS Forum
19. 【Ten Years of Rapid Development in Chemical Engineering Equipment】From 2019 to 2024, on-site tests of the sonar cavity-measuring equipment for salt cavern gas storage facilities, developed through independent research, were successfully carried out - HCBBS Forum
20. Grounding issue - HCBBS Forum
21. May I ask everyone how to manage the touch screen at the RTO site? - HCBBS Forum
22. 【Y2025】Should an electromagnetic flowmeter have its own separate grounding? - HCBBS Forum
23. Maintenance Configuration (Operation) Procedures for DCS&SIS Systems - HCBBS Forum
24. Practical Guide to the Application of RS485 to Multi-channel Current Signal Output Technology - HCBBS Forum
25. In what situations is it necessary to install pressure gauges - HCBBS Forum
26. [2025 Risk Assessment] Key Areas for Assessing Safety Risks Related to Electrical and Instrumentation Systems in Hazardous Chemicals Enterprises - HCBBS Forum
27. [2025 Fun Fact] Components of the flameproof enclosure introduction device - HCBBS Forum
28. How do I understand this interlock logic? - HCBBS Forum
29. Problems with flowchart configuration in Zhejiang University’s Zhongkong system - HCBBS Forum
30. 【2025GIF】Differential Pressure Level Gauge (1/3) - HCBBS Forum
31. Difference between blue and gray cards in Emerson DCS card modules - HCBBS Forum
32. Relationship between gas components and flow rate - HCBBS Forum
33. Air separation nitrogen production - HCBBS Forum
34. Throttle flow meter - HCBBS Forum
35. Discussion on whether combustible gas detectors are universal. - HCBBS Forum
36. 【Haichuan Chemical Technical Documentation】The little Gran head: a fault culprit that is easily overlooked - HCBBS Forum
37. 【2025 Benchmark Case】On-site Instrument Hazards Case (2/2) - HCBBS Forum
38. 【2025 Pressure Measurement】The key differences between gauge pressure and absolute pressure and their applications - HCBBS Forum
39. Selection of piezoresistive diaphragm material - HCBBS Forum
40. Should a thermal resistor be equipped with a surge protector? - HCBBS Forum
41. Quantitative loading at the tank farm - HCBBS Forum
42. AB Rockwell MACSV6.5.4 installation issues - HCBBS Forum
43. Seeking help with sanitary level gauges - HCBBS Forum
44. 【2025 Standards】GB/T 32857-2025 \"Guidelines for the Application of Layer of Protection Analysis (LOPA)\」released - HCBBS Forum
45. How to choose an 80GHz radar level gauge and a 26GHz radar level gauge - HCBBS Forum
46. 【2025 Fun Facts】Control valves, intelligent valve positioners, impedance – the impact of impedance on valves - HCBBS Forum
47. Which expert has information on valve cascade control? - HCBBS Forum
48. Issues related to the installation of instrument cable trays - HCBBS Forum
49. RS flip-flop in interlock logic diagram - HCBBS Forum
50. Material selection for the protective sleeve of the thermocouple used for temperature measurement in the rising flue of hazardous waste incinerators - HCBBS Forum
51. I earnestly implore those experts in self-control to give some guidance: since the DCS interlock shutdown is set as F.C., is it possible to design the system so that the valve closes when power is applied? - HCBBS Forum
52. Solenoid valve manufacturers - HCBBS Forum
53. 【2025 Control System】Activation/Deactivation of Interlocks in Emerson DCS Systems - HCBBS Forum
54. Measurement of hydrogen and carbon monoxide in industrial trade? - HCBBS Forum
55. Layered meter - HCBBS Forum
56. Problems with online replacement of the fisher6200 positioner? - HCBBS Forum
57. In the SIS of Zhejiang University Zhongkong, the RS flip-flops are reset using the S terminal - HCBBS Forum
58. 【SeaChuan Safety Discussion】A047: Are there really specific requirements for the installation of bends in the protective tubes for instrument cables? - HCBBS Forum
59. In what operating conditions are radar level gauges suitable? - HCBBS Forum
60. Seeking help with Zhejiang University Zhongkong PTCOMPX module - HCBBS Forum
61. On the technical complexity of control valves - HCBBS Forum
62. Volume at standard gas conditions - HCBBS Forum
63. Which one is the best in DCS? - HCBBS Forum
64. 【2025 Electrical Interfaces】Common Issues with Instrument Electrical Interfaces-1/10 - HCBBS Forum
65. 【2025 Circuit Analysis】Controlling the start and stop of a motor with just one button - HCBBS Forum
66. 【Ten Years of Rapid Development in Chemical Processing Equipment】2013–2024: Intelligent alarm systems implemented in large-scale transportation and storage facilities at Henan Oilfield - HCBBS Forum
67. Selection of power cables for instrument valves at different voltage levels - HCBBS Forum
68. Cologne MFC400 mass flow meter converter manual - HCBBS Forum
69. Zhejiang University Zhongkong ECS-700 Internal Optimization and Configuration Software - HCBBS Forum
70. Some questions from a chemistry beginner regarding xv and xzv - HCBBS Forum
71. Online sampling system - HCBBS Forum
72. The DHE-FT fork-type level switch has been successfully applied in overseas projects! - HCBBS Forum
73. Which website can I download Chinese samples for Masoneilan? - HCBBS Forum
74. I’m seeking help from fellow sailors: how can a PID diagram be used to represent the valve opening at the high limit of the pressure sensor and the valve closing at the low limit? - HCBBS Forum
75. 【Y2025】Differences among explosion protection standards such as ATEX, IECEx, and NEC, and the steps to follow in project planning and implementation - HCBBS Forum
76. Can the PLC power supply have an inlet at the top and an outlet at the top as well? - HCBBS Forum
77. Hey everyone, what should we do if the pressure gauge’s inspection deadline has passed but the report hasn’t been issued yet? - HCBBS Forum
78. 【2025 Diagram Analysis】Control Valve Pneumatic Circuit Diagram (2/4) - HCBBS Forum
79. 【Industry Updates】314.5 billion yuan invested in 8 new large-scale ethylene plants with a capacity of one million tons each - HCBBS Forum
80. Dear sea friends, I want to learn Kangjisen’s SIS software on my own. Are there any resources or ways to do that? - HCBBS Forum
81. Temperature compensation of thermocouples – Instrumentation Technician, Issue 3 [Video] Chemical Industry Weekly, Issue 58 AY03 - HCBBS Forum
82. Self-acting control valve - HCBBS Forum
83. The micro-sulfur analyzer independently developed by Puguang Gas Field has been put into operation - HCBBS Forum
84. Schemes for measuring the surface temperature of equipment, especially that of large storage tanks or gasifiers - HCBBS Forum
85. For a 35MPa clean air pipeline with DN65, a flow rate of 10kg/s, and a required accuracy of 1%, which type of flow meter would be suitable for installation? - HCBBS Forum
86. Christmas Eve | As long as you and I are safe, that’s enough! May all things go well, and may joy prevail year after year! - HCBBS Forum
87. 【2025 Industry Trends】New Moves by Wanhua Chemical - HCBBS Forum
88. 【Weekend Share-1】Should gas audio-visual alarm devices be installed in the control rooms of chemical plants? - HCBBS Forum
89. To measure the flow rate of C4 in oil products, which flow meter is the best choice? - HCBBS Forum
90. ESD Emergency Shutdown System - HCBBS Forum
91. Chuanyi officially merged into SIC Group; the instrumentation \"team\" comes to light - HCBBS Forum
92. Heat dissipation issues for control system equipment such as DCS/SIS/GDS system cabinets, operator stations, and large display screens - HCBBS Forum
93. Dinghua Radar Knowledge Lecture: How Radar Level Meters Are Used in Tank Farm Automation Systems - HCBBS Forum
94. Selection of industrial online pH meters - HCBBS Forum
95. Seek brands of pipeline sampling systems at domestic offices - HCBBS Forum
96. 【Y2025】200 Questions on Temperature Instruments - HCBBS Forum
97. Problems with DCS display of turbine flowmeters - HCBBS Forum
98. Safety Manual - HCBBS Forum
99. 【Ten Years of Rapid Development in Chemical Processing Equipment】The first domestically produced helium ionization chromatograph, model 2973-2025, has been officially delivered to the high-end polyolefin project at Blue Ocean New Materials - HCBBS Forum
100. Problems with rotary mass flow meters? - HCBBS Forum