English — Forum #350 (Page 28/163)

1. 2023_Honeywell_Experion_PKS_Video_Tutorial - HCBBS Forum
2. How should Article 5, which specifies the scope of mandatory inspection for pressure gauges in the list of instruments subject to mandatory calibration, be understood? - HCBBS Forum
3. Are the directions of the angular stroke pneumatic head and valve body of a switching valve (such as a pneumatic ball valve) parallel? - HCBBS Forum
4. The Yokogawa VP6 cannot be used for simulation after installation - HCBBS Forum
5. Flow meters that can be used in partially filled pipes - HCBBS Forum
6. Questions regarding instrument grounding - HCBBS Forum
7. Flowmeter issues during shutdown - HCBBS Forum
8. Are pressure switches and differential pressure switches widely used in your factory? Is it necessary? - HCBBS Forum
9. Dear all, regarding the selection of valve types for flow regulation. - HCBBS Forum
10. Dry process for making acetylene - HCBBS Forum
11. Is the valve selected by the automation engineer? - HCBBS Forum
12. Seeking help to understand Allen-Bradley DCS function block knowledge - HCBBS Forum
13. Dinghua Radar Knowledge Lecture: Popular science knowledge about the shell of radar level meter - HCBBS Forum
14. Transmitter input line – follow the diagram - HCBBS Forum
15. Price of helium ionization detector - HCBBS Forum
16. Which expert has the minutes of the seminar on the \"Design Standards for Detection and Alarm of Flammable and Toxic Gases in Petrochemical Industries\"? - HCBBS Forum
17. Mass flow meter - HCBBS Forum
18. Issues regarding the polarity of compensation wires for K-type thermocouples - HCBBS Forum
19. Regarding the issue of too low transmission current in Fisher float level gauges. - HCBBS Forum
20. Challenges and solutions in implementing MES systems in the chemical industry - HCBBS Forum
21. What is the use of the pressure gauge calibration certificate issued by the comprehensive testing institute of the prefecture-level city? Is it okay to use the organization’s archive? - HCBBS Forum
22. Differences between diversion and convergence of three-way control valves and selection criteria - HCBBS Forum
23. A strange galvanometer - HCBBS Forum
24. Start and stop of the pump - HCBBS Forum
25. PT100 dual-leg 4-wire schematic? - HCBBS Forum
26. Questions regarding the operating modes of pneumatic control valves - HCBBS Forum
27. Can an electromagnetic flowmeter be installed at the pump inlet? - HCBBS Forum
28. Yokogawa DCS - HCBBS Forum
29. Gentle experts, does anyone have the GB/T21109.2-2023 standard? - HCBBS Forum
30. Gauge pressure issue - HCBBS Forum
31. What are the problems with installing intrinsically safe instruments without a safety barrier? - HCBBS Forum
32. Questions regarding the instrument status - HCBBS Forum
33. Are there temperature instruments with double sleeves? - HCBBS Forum
34. 【Ten Years of Rapid Development in Chemical Processing Equipment】Wireless monitoring of mechanical equipment was used for the first time in overseas projects from 2012 to 2023 - HCBBS Forum
35. DCS control valve proportional-integral control - HCBBS Forum
36. Looking for Valvelink DTM software - HCBBS Forum
37. Is it necessary to use a dual-thread differential pressure transmitter for measuring wind pressure (micro-pressure)? - HCBBS Forum
38. How to control the liquid level drop rate? - HCBBS Forum
39. Is it necessary for TUV safety instrument system engineers and TUV functional safety assessors to take the exams? - HCBBS Forum
40. The owner says a SIS is not needed – what are the consequences of that? - HCBBS Forum
41. Is it okay to place the DCS redundant servers in another building? Why? - HCBBS Forum
42. Selection of V-cone flow meters - HCBBS Forum
43. \"Digital Factory: Modeling, Implementation, and Evaluation\" - HCBBS Forum
44. Sanyo, World Expo, Eweichi magnetic pumps - HCBBS Forum
45. Should the orifice plate be designed using operating conditions or standard conditions? - HCBBS Forum
46. Instruments, Control, and Automation in Sewage Systems - HCBBS Forum
47. Seeking help with simulation issues of Zhejiang University Zhongkong ECS700 - HCBBS Forum
48. Quality monitoring of the width of hot- and cold-rolled strip steel is carried out using online width measuring devices - HCBBS Forum
49. Discussion on the selection of root valves for instruments - HCBBS Forum
50. Principles and bases for setting interlock circuits in chemical processing units - HCBBS Forum
51. Vinyl chloride and acetylene online analyzer - HCBBS Forum
52. Meaning of EJA503E specification code - HCBBS Forum
53. Study on Technical Specifications Related to Electric Heat Tracing Bands* - HCBBS Forum
54. How were differential pressure level gauges and flap level gauges converted before? - HCBBS Forum
55. How to restore archived historical data in the PKS system? - HCBBS Forum
56. Regarding the STEP7 software for Siemens S7-300, there are several questions about forced values - HCBBS Forum
57. 【Ten Years of Rapid Development in Chemical Engineering Equipment】From 2012 to 2021, Zhongkong Technology successfully broke the foreign monopoly on control systems for aerospace gasifiers - HCBBS Forum
58. DCS - HCBBS Forum
59. MTL4575 - HCBBS Forum
60. Problem with the bypass switch - HCBBS Forum
61. Problems with the Wiggle-guided rod radar level gauge - HCBBS Forum
62. Step control - HCBBS Forum
63. Calibration specifications for digital module indicator scales - HCBBS Forum
64. Instrument design for chemical processing units and instrument design for refining units - HCBBS Forum
65. Conversion of units for double-flange level gauges - HCBBS Forum
66. I would like to ask you some questions about thermocouples. - HCBBS Forum
67. Discussion on power supplies for explosion-proof weighing instruments - HCBBS Forum
68. The level indicated by the magnetic flap level gauge does not match the level seen visually or as captured by a smartphone - HCBBS Forum
69. Is an instrument protection box still necessary? - HCBBS Forum
70. What kind of pressure is measured using a differential pressure transmitter? - HCBBS Forum
71. Purpose of installing a shut-off valve in front of the fuel gas liquid separation tank - HCBBS Forum
72. Which pressure tapping location is the most reasonable? - HCBBS Forum
73. Problems in cascade control systems - HCBBS Forum
74. Series atlases such as 13CD, 13CG, 13CJ, 13D, 13G, 13J, 13K, 13R, 13S, 13SG, 13SR, etc - HCBBS Forum
75. Sharing: Practical Applications of Gas Generator Level Measurement - HCBBS Forum
76. Dinghua Radar Knowledge Lecture: Differences and Selection Between Radar Level Gauges and Guided Wave Radar Level Gauges - HCBBS Forum
77. Dinghua Radar Knowledge Lecture: Measurement principles, characteristics, and applications of radar level gauges - HCBBS Forum
78. Which has a higher safety level, 1oo2 or 2oo3? - HCBBS Forum
79. Regarding the UPS room - HCBBS Forum
80. HG_T 20637.4-2017 Code for Preparation of Engineering Design Documents for Automatic Control Systems in Chemical Plants – Preparation of Instrumentation Design Specifications - HCBBS Forum
81. Radar level gauge – multiple echo peaks – please have an expert take a look - HCBBS Forum
82. Pressure transmitter issues - HCBBS Forum
83. How to calibrate the Bentley 990 vibration probe? The 3300 is used for measuring gap voltage; how should this 990 vibration probe be installed? - HCBBS Forum
84. Boiler and steam desuperheater control valves - HCBBS Forum
85. Under what operating conditions is it necessary to perform frequency calculations for the thermometer sleeve? - HCBBS Forum
86. 【Q&A】Zhejiang University Zhongkong DCS, Hollyland DCS, Yokogawa DCS, Emerson DCS - HCBBS Forum
87. Must a pressure gauge have a red line? Where should the red line be drawn? - HCBBS Forum
88. Types and principles of level gauges - HCBBS Forum
89. Practical Techniques in Temperature Measurement - HCBBS Forum
90. [Exclusive release] "Chinese and Foreign Metal Materials Handbook" contains a comparison table of material grades in various countries - HCBBS Forum
91. Regarding pressure transmitter chips - HCBBS Forum
92. Where can I learn videos on the TCS900 system of *central control? - HCBBS Forum
93. Seeking advice on automatic control of the drum in methanol synthesis system - HCBBS Forum
94. Control valve calculation and selection software - HCBBS Forum
95. Differences between GDS systems and SIS systems - HCBBS Forum
96. Definition of “substation” in the Catalogue for Safety Classification and Rectification of Hazardous Chemical Enterprises - HCBBS Forum
97. Flammable gas alarm - HCBBS Forum
98. Issues in measuring the full-liquid level interface using guided-wave radar - HCBBS Forum
99. Temperature cascade control problem - HCBBS Forum
100. What type of level gauge is best for use in septic tanks? - HCBBS Forum