English — Forum #350 (Page 15/163)

1. 【2025 Industry Updates】Summary of the latest developments in domestic polyolefin elastomer (POE) projects - HCBBS Forum
2. 【Y2025】How to ensure that instrument cable trays pass through buildings, structures, or equipment in a compliant manner - HCBBS Forum
3. I would like to ask about the meaning of the graphics representing the pressure transmitter component in PID - HCBBS Forum
4. 【2025 Industry Updates】Another bid won for Dalian Petrochemical’s integrated refining and chemical production project - HCBBS Forum
5. Hollyland M6.5.2, regarding simulation issues - HCBBS Forum
6. Discussion on the material of the fatigue layer in instrument shielding cables - HCBBS Forum
7. Online analysis device for benzene moisture content - HCBBS Forum
8. For waste heat boilers, should valves be electric or pneumatic? - HCBBS Forum
9. 【Free Download】External download link for the PDF version of the HG21581-2012 instrument installation manual - HCBBS Forum
10. Discussion on the selection of imported and domestic brands for hydrogen-circulating electric ball valves - HCBBS Forum
11. 【2025 Risk Assessment】Key Changes in GB 17681-2024 \"Technical Specifications for Safety Monitoring of Major Hazard Sources of Hazardous Chemicals\" - HCBBS Forum
12. DeltaV DCS system notes! It’s extremely valuable and worth downloading to learn from!* - HCBBS Forum
13. Level gauge for selection inside pressure vessel tanks - HCBBS Forum
14. 【Typical Issues in Flow Meter Installation 004】Electromagnetic flow meters installed in non-metallic pipes require the use of grounding rings - HCBBS Forum
15. 【2025GIF】Piston actuator with valve positioner - HCBBS Forum
16. Wiring the control line midway - HCBBS Forum
17. 【Typical Issues in Flow Meter Installation 005】Pay attention to the requirements for straight pipe sections before and after a rotameter - HCBBS Forum
18. Number of cabinets - HCBBS Forum
19. 【2026 Book Recommendations】Design of Production Process Flow for Chemical Products - HCBBS Forum
20. How is interlocking between valves represented on a PID diagram? - HCBBS Forum
21. Can pipelines carrying liquid ammonia in steel cylinders be connected using hoses? - HCBBS Forum
22. Looking for the latest version of SH/T 3081 - HCBBS Forum
23. Furnace negative pressure - HCBBS Forum
24. Installation height of flammable and toxic detectors - HCBBS Forum
25. Is there an on-site flow meter similar to a water meter that can provide quantitative measurements? - HCBBS Forum
26. 【Typical Issues in Flow Meter Installation 007】Eddy current flow meters (for steam) should preferably be of a split-type design - HCBBS Forum
27. Explain the relevant specifications, such as those pertaining to professional terms like PFD diagrams/PID diagrams - HCBBS Forum
28. Dinghua Radar Instrument Training School: In what applications are radar level gauges used? What other advantages are there? - HCBBS Forum
29. [2025 Pressure Measurement] Relationship between gauge pressure, absolute pressure, vacuum, negative pressure, and back pressure - HCBBS Forum
30. Let’s discuss with everyone the issue of the density of the magnetic flap float in liquid ammonia storage tanks - HCBBS Forum
31. Stable level monitoring of DHE-FT fork-type level switches in conditions of agitation, adhesion, and corrosion! - HCBBS Forum
32. 【2025 Related Knowledge】The differences between NACE MR 0175 and MR 0103 - HCBBS Forum
33. 【2025 CCR】Are area alarms necessary in the control room of petrochemical plants? - HCBBS Forum
34. [2025 Diagram Analysis] Control Valve Pneumatic Circuit Diagram (1/4) - HCBBS Forum
35. 【2025 Fun Fact】How do flow measurement instruments determine whether to activate a bypass? - HCBBS Forum
36. Measurement Management System for Refining and Chemical Enterprises in 2025 - HCBBS Forum
37. 【2025 Issue Sharing】Common Issues in HAZOP Analysis (6/15) - HCBBS Forum
38. Yamaki AVP100-H locator - HCBBS Forum
39. Describe the picture – things related to hydraulics - HCBBS Forum
40. Zhongkong Technology’s TPT was selected for Sinopec’s AI demonstration project for the research and development of new polyolefin products, aiming to tackle the key challenges in the development of high-end new materials - HCBBS Forum
41. Should the pressure gauge bend be installed before or after the needle valve? - HCBBS Forum
42. Calculate using electricity - HCBBS Forum
43. 【Y2025】Is it a potential hazard that the gauge does not indicate the red line marking the maximum operating pressure? - HCBBS Forum
44. Instrument design - HCBBS Forum
45. Overturning the traditional DCS architecture | Zhongkong Technology unveils Nyx, the world’s first universal control system - HCBBS Forum
46. [2025: Ten Questions and Answers] The entire process from formulation to implementation of group standards - HCBBS Forum
47. Dinghua Radar Instrument Training School: How to choose a radar level gauge? - HCBBS Forum
48. The on-site toxic gas detector is giving alarms for no reason - HCBBS Forum
49. I would like some advice on selecting the measurement range for a pressure transmitter - HCBBS Forum
50. 【2025 Flow Meters】Causes of \"pulse leakage\" in vortex flow meters and solutions - HCBBS Forum
51. [2025 Standards] SH/T 3240-2025, \"Technical Specifications for Hazard and Operability Study (HAZOP Analysis) in the Petrochemical Industry,\" came into effect on November 1, 2025 - HCBBS Forum
52. Issues regarding the selection of range and alarm values for toxic gas detectors - HCBBS Forum
53. Turbo flowmeter: issues regarding minimum and maximum flow rates as well as the measurement range. Reply to get 20 wealth points - HCBBS Forum
54. 【2025: Understand at a Glance】Understanding the differences and connections between PID and APC in one diagram - HCBBS Forum
55. 【Ten Years of Rapid Development in Chemical Equipment】1694–2019: China’s first \"LNG high-pressure ultra-low temperature control valve\" was successfully put into operation - HCBBS Forum
56. Install a pH meter for the circulating water - HCBBS Forum
57. I have a question regarding the selection of flow meters - HCBBS Forum
58. Zhongkong Technology has been granted an invention patent: “A method, device, and medium for the coordinated control of multiple units in desalinated water treatment”” - HCBBS Forum
59. Methods and examples for SIL verification - HCBBS Forum
60. Should a bimetallic thermometer with a sleeve be removed before purging? - HCBBS Forum
61. Electromagnetic flowmeter for measuring copper sulfate solution - HCBBS Forum
62. After the power is cut to the PKS SCADA vacuum gauge, it cannot connect automatically. How can this issue be resolved? - HCBBS Forum
63. 【2025 Industrial Software】TIA Portal software integrates the entire process of “programming + configuration + debugging” - HCBBS Forum
64. 【2025 Industrial Automation News】HollySys HiaGuard MAX high-availability security control system receives SIL3 functional safety certification - HCBBS Forum
65. Is an explosion-proof sealing box an essential component for instruments in explosion-proof areas? - HCBBS Forum
66. Selection issues of pressure gauges after rupture disc failure - HCBBS Forum
67. 【2025 Analysis Instruments】Typical Application Scenarios of Online Analysis Instruments in Various Units of Large Petrochemical Plants - HCBBS Forum
68. Central control technology helps Fushun Petrochemical complete the upgrade of a large-scale intelligent transformation project - HCBBS Forum
69. If there is a uniform rule throughout the factory, is it better for solenoid valves to operate at 220V or 24V? - HCBBS Forum
70. APC control system - HCBBS Forum
71. 【2025 Energy Security】Solved successfully! A petroleum engineering company stole **energy** by altering flow meter data and other methods - HCBBS Forum
72. Do instruments necessarily require explosion-proof wire sleeves? - HCBBS Forum
73. Internal leakage issue in the steam vent valve - HCBBS Forum
74. Seeking a PPT file for training on the interpretation of GB17681-2024 - HCBBS Forum
75. Differences between contactless and contact radar level gauges - HCBBS Forum
76. Layout of combustible gas detectors - HCBBS Forum
77. Issues regarding the distance between the UPS and the wall - HCBBS Forum
78. Technological Innovation | Energy-concentrating external level measurement products help users eliminate safety risks and ensure smooth production - HCBBS Forum
79. 【2025 Valve Settings】Emergency shut-off valve settings - 1/2 - HCBBS Forum
80. 【2025 Wiring Boxes】Difference between increased safety explosion-proof wiring boxes and flameproof explosion-proof wiring boxes - HCBBS Forum
81. Problems with the gas-phase line flow meter in liquefied gas cylinders - HCBBS Forum
82. [2025 Information Weekly] The Next Battleground in the New Materials Sector - HCBBS Forum
83. 【2025 Temperature Meters】Insertion depth of temperature meters - HCBBS Forum
84. What are some methods for implementing partial journey testing? - HCBBS Forum
85. In the early stage of a project, does DCS have a method for estimating power? - HCBBS Forum
86. 【Industry Updates】Overview of Domestic Ten-Million-Ton-Class Refining and Chemical Projects (8 planned, 8 under construction, 33 in operation) - HCBBS Forum
87. 【2025 Flow Meters】Selection of Five Common Ultrasonic Flow Meters and Determination of Installation Locations - HCBBS Forum
88. 【2025 Benchmark Case】On-site Instrument Hazards Case (1/2) - HCBBS Forum
89. 【Y2025】Various ways of denoting pipe diameters such as DN, inch, D, Φ, De, dn, d, and their application scenarios - HCBBS Forum
90. Instrumented level and flow cascade control - HCBBS Forum
91. [2025 Instrument Encyclopedia] Selection of Electrode Material for Electromagnetic Flow Meters - HCBBS Forum
92. 【Typical Issues in Flow Meter Installation 001】Improper installation location of electromagnetic flow meters, insufficient length of the straight pipe section ahead - HCBBS Forum
93. Ask whether instruments of SIL2 level can be combined in a 3-redundancy configuration to achieve SIL3 level - HCBBS Forum
94. Regarding the power supply for the control system - HCBBS Forum
95. Looking for the manual for Siemens frequency converter V20 - HCBBS Forum
96. 【2025 Valve Response】Valve response switch signal - HCBBS Forum
97. 【SeaChannel Safety Discussion】A062: Is it a mistake in instrument installation, or a mistake in piping? - HCBBS Forum
98. Is it common in Xinjiang to use compressed air with heating for instrument air? - HCBBS Forum
99. 【2025 Industry Updates】The three major oil companies (CNPC, Sinopec, and CNOOC) are all entering the green methanol sector - HCBBS Forum
100. Dinghua Radar Instrument School: Radar level gauges – what else would you like to know? - HCBBS Forum