English — Forum #350 (Page 20/163)

1. Dust explosion prevention marking -- View the diagram - HCBBS Forum
2. Has anyone here used the flameproof rail-mounted temperature transmitter? - HCBBS Forum
3. Understanding of multiple metrological controls - HCBBS Forum
4. Graphite digester and digestion tubes: The necessity of understanding soil health - HCBBS Forum
5. BARTEC module switch - HCBBS Forum
6. Is it possible to use an S-type thermocouple at temperatures over 1300 degrees for a long period of time? - HCBBS Forum
7. Selection of flowmeters under specific operating conditions - HCBBS Forum
8. Selection and application of radioactive level gauges - HCBBS Forum
9. Regarding the instrument cascade control system - HCBBS Forum
10. Will instruments and electrical systems be the trends of the future? - HCBBS Forum
11. For flameproof instruments, what type of wiring box should be used? - HCBBS Forum
12. Definition of instrument safety levels: What are the differences between SIL1, SIL2, and SIL3? - HCBBS Forum
13. Flammable gas and toxic gas detectors - HCBBS Forum
14. What methods are people using in DCS calculations for superheated steam orifice plate flowmeters? - HCBBS Forum
15. Selection of oil tank level gauges - HCBBS Forum
16. Implementation of the safety production technical specifications for nitration processes - HCBBS Forum
17. Square root range of orifice flow meter - HCBBS Forum
18. I would like to ask the experts about the faults of electromagnetic flowmeters and how to deal with them - HCBBS Forum
19. Are there any recommended manufacturers of automated instrument valves? - HCBBS Forum
20. Selection of materials for sulfur-containing light hydrocarbon pipelines - HCBBS Forum
21. ABB Industrial Optical Bus Explosion-Proof Intelligent IO Electronic Wiring System - HCBBS Forum
22. How to measure interfaces with very similar densities - HCBBS Forum
23. What considerations should be taken when selecting common instruments and meters? - HCBBS Forum
24. Zhejiang University Zhongkong JX300XP data type conversion - HCBBS Forum
25. Share the basics of inter-station communication and semi-floating point number programming for JX-300XP programming - HCBBS Forum
26. Calibration issues for A+K balanced flowmeters - HCBBS Forum
27. Experts, I have a question: how is the power supply duration for emergency power in chemical processing plants determined? Thank you - HCBBS Forum
28. Select the valve diameter based on the KV value - HCBBS Forum
29. Selection of side tube material for electromagnetic flowmeters. - HCBBS Forum
30. Regarding the explosion protection rating of the instrument wiring box - HCBBS Forum
31. Discussion on the parallel laying distance of instrument cables - HCBBS Forum
32. Should the control valve be selected as air-open or air-close? - HCBBS Forum
33. What material is suitable for gas supply pipes in areas with high corrosivity? - HCBBS Forum
34. Release the 12th wave of instrument book introductions – free download with screenshot descriptions - HCBBS Forum
35. Interlock explanation - HCBBS Forum
36. Difference between DCS interlock and SIS interlock operation - HCBBS Forum
37. Sending out the second wave of introductions to instrument books – free download with screenshots - HCBBS Forum
38. +Tank side display - HCBBS Forum
39. From the thermal resistor to the on-site temperature sensor, does the cable shielding layer in between need to be grounded? - HCBBS Forum
40. Are there any recommended solenoid valves for pipes that are useful? Feedback is required - HCBBS Forum
41. Acid concentration meter selection - HCBBS Forum
42. Seeking advice on DCS variable definition - HCBBS Forum
43. The CPU of the data acquisition unit should be configured with 1:1 redundancy; when is it necessary to set up a data acquisition unit? - HCBBS Forum
44. Regarding the issue of cable trays entering the control room - HCBBS Forum
45. Questions regarding cascade control in DCS systems - HCBBS Forum
46. OPCENUM cannot be enabled during DCOM configuration - HCBBS Forum
47. For pressure compensation in Pitot tube flowmeters, should the accompanying pressure transmitter use gauge pressure or absolute pressure? - HCBBS Forum
48. Temperature measurement with flexural installation - HCBBS Forum
49. Regarding the setup of the DCS system - HCBBS Forum
50. Are the DI cards of PLCs/DCSs by default passive contacts for input? - HCBBS Forum
51. Do load scales need to be calibrated or checked regularly? Is it **mandatory**? - HCBBS Forum
52. Central control alarm management software documentation - HCBBS Forum
53. Bentley precursor - HCBBS Forum
54. DCS interlock logic diagram - HCBBS Forum
55. Do I need to send the newly purchased pressure gauge for inspection? - HCBBS Forum
56. PCV control valve - HCBBS Forum
57. The issue of toxic gases - HCBBS Forum
58. Error of double-flange level gauge for 12m storage tank - HCBBS Forum
59. DCS system card configuration issue - HCBBS Forum
60. PVC powder level measurement - HCBBS Forum
61. What are the specific uses of solenoid valve diverter (general purpose) type? - HCBBS Forum
62. Interlock value, alarm value, linkage value - HCBBS Forum
63. In what situations is it necessary to choose a full stainless steel pressure transmitter? - HCBBS Forum
64. How to perform self-tuning of the Memosens SVI3 locator using Fieldmate software to load DD files for debugging - HCBBS Forum
65. Can a pressure transmitter be installed horizontally? ? ? - HCBBS Forum
66. Must the internal components of a shut-off valve be made of 316 material? - HCBBS Forum
67. Seeking advice on the selection of a differential pressure level gauge for a low-temperature recovery tower using concentrated sulfuric acid - HCBBS Forum
68. Difference between pressure gauge calibration and verification - HCBBS Forum
69. Petroleum and Chemical Equipment Maintenance and Repair Procedures, Volume 7 – Instruments – 2019 Edition - HCBBS Forum
70. How does the Benshan valve positioner perform automatic calibration? - HCBBS Forum
71. Which series of pipes are galvanized pipes? - HCBBS Forum
72. Issue of shared thermometer sleeves for dual-element thermal resistors in DCS and SIS systems - HCBBS Forum
73. Units issues for flow meters - HCBBS Forum
74. For on-site pressure gauges, how can one tell from their appearance whether they have been regularly calibrated or not? - HCBBS Forum
75. Electrical characteristics of instrument cables - HCBBS Forum
76. Relevant specifications - HCBBS Forum
77. When installing a pressure gauge, it is best to orient the dial in a place where it can be easily seen by people? - HCBBS Forum
78. What are the precautions for nuclear level gauges? - HCBBS Forum
79. Alarm values and interlock values - HCBBS Forum
80. What is the purpose of the pressure release valve at the top of the pressure-reducing filter? - HCBBS Forum
81. Why isn’t titanium widely used in the chemical instrumentation industry? - HCBBS Forum
82. Looking for videos on chemical process instrumentation and automation design courses - HCBBS Forum
83. Aluminum and stainless steel filter pressure reducing valves---Discussion - HCBBS Forum
84. Control system - HCBBS Forum
85. Minimum measurement value of diaphragm pressure transmitter? - HCBBS Forum
86. Can an ammonia detector be used to detect monomethylamine? - HCBBS Forum
87. Seeking advice on Allen-Bradley module programming issues - HCBBS Forum
88. ITCC (Integrated Turbine Compressor Unit Control) system issues - HCBBS Forum
89. What material is required for the pipeline of the instrument air inlet valve? - HCBBS Forum
90. Is the value calculated by the orifice flow meter on site, after temperature and pressure compensation by the DCS, accurate? - HCBBS Forum
91. Request for Spring Festival couplets related to the electrical instrumentation field - HCBBS Forum
92. Can anyone explain how to control this? - HCBBS Forum
93. Is the flow rate measured by this float-type flow meter under standard conditions? - HCBBS Forum
94. Release the 10th wave of introductions to meter books – free download with screenshot details - HCBBS Forum
95. Seeking information on EH Tankvision - HCBBS Forum
96. Which is more common in chemical plants: intrinsically safe instruments or flameproof instruments? - HCBBS Forum
97. Classification of explosion-proof areas - HCBBS Forum
98. How to deal with fluctuating flowmeter readings - HCBBS Forum
99. Regarding the issue of no doors leading directly outside should be provided in cabinet rooms - HCBBS Forum
100. P&ID symbols, dimensions - HCBBS Forum