English — Forum #350 (Page 5/163)

1. 【2026 Process Safety】Specific calculation and determination steps for the alarm setpoint of toxic gas detectors (dichloromethane) - HCBBS Forum
2. 【2026 Safety Protection】Difference Between PSV and PRV - HCBBS Forum
3. Which type of level gauge is suitable for measuring the liquid level in horizontal tanks? - HCBBS Forum
4. 【2026 Actuators】Detailed Explanation of Valve Actuators～2 - HCBBS Forum
5. 【2026 Interlocking System】Requirements for the time to release safety interlocks - HCBBS Forum
6. EU introduces new rules to prevent plastic particle leakage - HCBBS Forum
7. Where can I find Honeywell TDC3000 FSC training? - HCBBS Forum
8. Requirements for installing temperature transmitters - HCBBS Forum
9. Request an explanation for dual-core thermal resistors - HCBBS Forum
10. Dinghua Radar Instrument Training School: Installation requirements for guided-wave radar level gauges - HCBBS Forum
11. 【2026 Speed Knowledge】Speed, rated speed, no-load speed - HCBBS Forum
12. Seeking videos or images showing the maintenance of the coking removal rod for the dynamic reflux sampling probe in ethylene cracking - HCBBS Forum
13. Regarding the material accumulation issue with double-flange level gauges, seek a solution - HCBBS Forum
14. 【2025 Safety Systems】SIS (Safety Instrumented System) and Safety Valves (Pressure Relief Devices) - HCBBS Forum
15. 【2025 Process Control】Select Control - HCBBS Forum
16. Chinese large-scale PLCs surpass foreign products; the pace of localization is accelerating - HCBBS Forum
17. Purpose of instrument tag numbers - HCBBS Forum
18. What is the box on this pneumatic ball valve used for? - HCBBS Forum
19. DCS control cabinet heat dissipation capacity - HCBBS Forum
20. Technological Innovation | Successful Application of Integrated External Level Gauges in Large Styrene Tanks - HCBBS Forum
21. Instrument control valves are required - HCBBS Forum
22. TOF and TON used in series - HCBBS Forum
23. Differential calculation of the I/O points in the Zhongkong JX300 system - HCBBS Forum
24. 【Ten Years of Rapid Development in Chemical Equipment】From 2025 to 2036, the first industrial control system for the petrochemical industry, with 100% domestic production of both hardware and software, was successfully put into use in complex petrochemical plants - HCBBS Forum
25. Instrument cable continuous protection connection diagram (flexible tube protection) - HCBBS Forum
26. Is ASME B16.36 orifice plate flange up to 24”? - HCBBS Forum
27. A brief discussion on the application of radar level gauges in the chemical industry - HCBBS Forum
28. How to resolve abnormal readings from the magnetic float level gauge at the bottom of the alkali scrubber tower - HCBBS Forum
29. Handbook of Chemical Process Design, Fifth Edition - HCBBS Forum
30. 【2025 Standard Recommendations】Commonly Used International Standards for Control Systems (1/2) - HCBBS Forum
31. 【2025 Flow Meters】Selection of Flow Meters for Non-full-pipe Conditions - HCBBS Forum
32. Should hard-core or soft-core wires be used for the wiring of control instruments? - HCBBS Forum
33. PSA programmable valve position sensor issue - HCBBS Forum
34. 【2025 Industrial Automation Updates】Emerson introduces Fisher™ GX bolted valve covers with direct control valves - HCBBS Forum
35. What type is this copper temperature sensor? - HCBBS Forum
36. Elliptical gear flow meter. - HCBBS Forum
37. Bentley 3500 Video Tutorial - HCBBS Forum
38. 【Ten Years of Rapid Development in Chemical Processing Equipment】Application of Intelligent Analysis Robots and Fully Automatic Coal Sampling Systems from 2018 to 2024 - HCBBS Forum
39. Instrument tag naming convention - HCBBS Forum
40. [Haichuan Intelligence] Ningxia Nenghua’s unattended centralized control system for vehicle scales has been put into operation - HCBBS Forum
41. Instrument selection and cable selection - HCBBS Forum
42. [Weekend Share - 19] What is the baseline in liquid chromatography? - HCBBS Forum
43. I would like to ask how all the CAD experts draw flowcharts - HCBBS Forum
44. 【Ten Years of Rapid Development in Chemical Engineering Equipment】The first international standard formulated by China in the field of oil and gas metering was officially released in 2025 - HCBBS Forum
45. Cannot the SIS and DCS junction boxes be shared? - HCBBS Forum
46. Issues regarding dust explosion prevention for E+H instruments - HCBBS Forum
47. 【Y2025】Common problems in the assignment of instrument tag numbers and methods for their assignment - HCBBS Forum
48. Regarding the wiring method of toxic flammable gas detectors - HCBBS Forum
49. 【2025 Tech Brief】Global polyethylene production capacity will exceed 160 million tons in 2025! China’s dependence on imported polyethylene remains over 30%! - HCBBS Forum
50. Mechanical micromanometer - HCBBS Forum
51. What is the Oscillator-demodulator in API670? - HCBBS Forum
52. Standards related to DCS - HCBBS Forum
53. 【Y2025】Understand electrical and instrumentation explosion-proof equipment at a glance - HCBBS Forum
54. What type of cylinders and solenoids are used to control a three-way valve? - HCBBS Forum
55. 【2025 Standard Recommendations】Commonly Used International Standards for Control Systems (2/2) - HCBBS Forum
56. Instructions for using explosion-proof flexible connection pipes and flange fittings - HCBBS Forum
57. Valve spool rotation issue -- Explain based on the diagram - HCBBS Forum
58. 【2025 Mini Knowledge Point】Differences and connections among intrinsically safe devices such as Zener gates, isolation gates, and intrinsically safe cards - HCBBS Forum
59. Pressure transmitter range - HCBBS Forum
60. How can fine chemicals achieve intelligent production - HCBBS Forum
61. Which medium valves in the boundary zone require an emergency stop button - HCBBS Forum
62. How is the motor protected from overcurrent when a centrifugal pump starts automatically? - HCBBS Forum
63. Dinghua Electronic Instrument Training School: How to deal with failures in radar level gauges - HCBBS Forum
64. Seeking manufacturers of flow meters for electronic-grade high-purity hydrofluoric acid - HCBBS Forum
65. Selection of motor control signal cables - HCBBS Forum
66. Orifice plate flow calculation - HCBBS Forum
67. How to choose a thermometer for installing one upward with a sleeve on the lower plate of a liquid ammonia spherical tank - HCBBS Forum
68. 【2025 Safety Design】Key points for the safety design and layout of tank areas - HCBBS Forum
69. Can a full-bore O-ring ball valve be used for the styrene pneumatic on/off valve? - HCBBS Forum
70. 【Ten Years of Rapid Development in Chemical Processing Equipment】From 2028 to 2025, the PLC control systems for the key equipment used in sulfur storage and transportation at the Puguang Gas Field’s natural gas purification plant have been made 100% domestically produced - HCBBS Forum
71. 【2025GIF】Direct-through single-seat valve - HCBBS Forum
72. 【Weekend Share-15】When is the SIL assessment and classification for chemical enterprises carried out? - HCBBS Forum
73. Technological Innovation | Integrated external level gauges provide a high-precision safety interlock solution for methanol vertical tanks - HCBBS Forum
74. Laser oxygen content monitoring - HCBBS Forum
75. Internal structure and working principle of liquid ammonia mass flow meters - HCBBS Forum
76. 【Ten Years of Rapid Development in Chemical Equipment】China Petrochemical’s first domestically produced Safety Instrumented System (SIS) was successfully tested and approved in Hangzhou from 2661 to 2025 - HCBBS Forum
77. [2025 Project Video] On-site video of a large-scale petrochemical integration project - HCBBS Forum
78. Woodward’s PGPL DRIVER manual - HCBBS Forum
79. 【2025 Standards】Key Updates in GB/T 3091-2015 VS GB/T 3091-2025: Welded Steel Tubes for Low-Pressure Fluid Transport - HCBBS Forum
80. Dinghua Radar Instrument Training School: What impact do echo values have on the measurement performed by radar level gauges? - HCBBS Forum
81. 【Haichuan’s Best Practices】Upgrading and renewing the sensors of the trace oxygen analyzer for flue gas to ensure stable operation of the reforming unit - HCBBS Forum
82. The two valves are interlocked; how to draw the interlock logic diagram and how to configure it? - HCBBS Forum
83. 【Typical Issues in Flow Meter Installation 002】The straight pipe section at the inlet of the magnetic filter for rotameter installation starts from after the magnetic filter - HCBBS Forum
84. [2025 Process Safety] PHA report and HAZOP, SIL classification, SIL verification timeline - HCBBS Forum
85. 【Haichuan – Lessons from Others】Online Monitoring of Critical Pumps - HCBBS Forum
86. Share the English book “How to Become an Instrument Engineer” - HCBBS Forum
87. Gas flow meter; accuracy requirement of 0.5%. Seeking recommendations for suitable flow meter types - HCBBS Forum
88. What is the distance requirement between overhead power lines and fuel dispensers: 5m or 6m? - HCBBS Forum
89. The Yulin Chemical “Green, Low-Carbon, Intelligent Factory for Coal-Based Ethylene Glycol” – in the construction of which Central Control Technology played an active role – was selected as an “Excellence-Level Intelligent Factory”” - HCBBS Forum
90. ECS700 historical data retention time setting - HCBBS Forum
91. 【Weekend Share-17】What requirements must SIS hardware meet? - HCBBS Forum
92. 【2025 Fun Fact】The function of Bench Set in control valves - HCBBS Forum
93. How can pneumatic instrument systems save gas usage? - HCBBS Forum
94. Which fellow sailor has the ECS700 configuration software? Please send it to 646822311@qq.com. I would be extremely grateful; thank you - HCBBS Forum
95. 【Y2025】Practical Manual on Control Valves - HCBBS Forum
96. Regarding the cost of blast-resistant cabinets - HCBBS Forum
97. The important role of SFC language in realizing sequential control - HCBBS Forum
98. Stainless steel and carbon steel corrode easily when in contact, but what about metal wound gaskets? - HCBBS Forum
99. Recruitment for instrument designers - HCBBS Forum
100. Heating for combustible liquid pipelines - HCBBS Forum