English — Forum #350 (Page 47/163)

1. How to fill out the instrument circuit calibration record form - HCBBS Forum
2. Do you know anything about bridge fire protection? - HCBBS Forum
3. How should the relative error be calculated? - HCBBS Forum
4. Can a control valve be connected to both a thermometer and a pressure gauge? - HCBBS Forum
5. What is the best way to provide heat tracing for instruments in the northeast during winter? - HCBBS Forum
6. Maintenance of high pressure steam flow meter - HCBBS Forum
7. Difference between filler materials p6528+p4519 and PTFE - HCBBS Forum
8. Some course materials obtained during the conference are shared with you all - HCBBS Forum
9. Can intrinsically safe and flameproof instruments be used together? - HCBBS Forum
10. Which company makes good programmable control valves for methanol-to-hydrogen production? - HCBBS Forum
11. Help: How to solve the problem of too long communication distance for instruments? - HCBBS Forum
12. I have a question regarding incorrect display of data in 485 communication - HCBBS Forum
13. Working principle of the radar level gauge with 4-20mA output - HCBBS Forum
14. Seeking advice on electronic wiring issues - HCBBS Forum
15. Regarding the DCS display of the actual valve position - HCBBS Forum
16. Selection of pressure gauge range - HCBBS Forum
17. Recommendations for brands of electromagnetic flowmeters used by CNOOC - HCBBS Forum
18. Travel switch contact type identification - HCBBS Forum
19. Can radio frequency admittance really prevent material buildup? - HCBBS Forum
20. Calculation of liquid level boundary using double flanges - HCBBS Forum
21. Level gauge selection - HCBBS Forum
22. Can sodium chloride silos be conveyed by pneumatic transport? - HCBBS Forum
23. Help: Flowserve valves, problems using Siemens positioners - HCBBS Forum
24. wedge throttle - HCBBS Forum
25. Communication issues with electro-hydraulic actuators in 100,000-liter storage tanks - HCBBS Forum
26. How to choose a pressure transmitter to prevent metal ions from entering the material - HCBBS Forum
27. Selection of control valves and on/off valves for superheated steam at 4 MPa and 400°C - HCBBS Forum
28. Pumps in master-slave configuration are illustrated in the flowchart - HCBBS Forum
29. A tank truck has two inlet pipes, each equipped with a flow meter; only one flow meter can be in use at a time - HCBBS Forum
30. I have a question regarding the interface of a DCS system - HCBBS Forum
31. How to wire it - HCBBS Forum
32. I would like to ask, what is a dynamic zero point? - HCBBS Forum
33. Ask about sources for Emerson mass flow meters F200 - HCBBS Forum
34. Wireless transmission - HCBBS Forum
35. Which level gauge should be used for the catalyst tank - HCBBS Forum
36. One-on-one Q&A for Emerson flowmeters! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! - HCBBS Forum
37. Issues with explosion-proof hoses for field instruments - HCBBS Forum
38. Process Engineering Division – Instrumentation and Automation Section – Daily Topics – Topic No. 2021-01-13 - HCBBS Forum
39. The LPG storage tank at the filling station is being modified to hold dimethyl ether – can the instruments on the tank still be used? - HCBBS Forum
40. What is the piezoelectric material used in Siemens positioners and piezoelectric valves? Does anyone know? - HCBBS Forum
41. Common Problems and Pre-maintenance Methods for Sonar-type External Level Gauges - HCBBS Forum
42. Basic variable gap electrothermal sensor and differential variable gap capacitive sensor - HCBBS Forum
43. Methods to improve the interference resistance of pressure transmitters - HCBBS Forum
44. Reasons for inaccurate readings on Emerson flowmeters - HCBBS Forum
45. What parameters are required when requesting a quote for the actuation mechanism of an electric valve? - HCBBS Forum
46. A+QMC balanced flow meter - HCBBS Forum
47. Problems with the measurement interface of float level gauges - HCBBS Forum
48. DCS side motor current display issue - HCBBS Forum
49. Yokogawa VP OPC connection issue - HCBBS Forum
50. I would like to ask the experts: what are the characteristics and safety measures of control systems in refining plants that set them apart from those used in other process industries? ? - HCBBS Forum
51. Discussion on the Selection of Electrodes and Linings for Electromagnetic Flowmeters - HCBBS Forum
52. High oxygen content alarm value and high-high alarm value - HCBBS Forum
53. Can a tank with an internal floating roof use a differential pressure transmitter to measure the liquid level? - HCBBS Forum
54. I need the latest Yokogawa selection guide for vortex flowmeters - HCBBS Forum
55. Advantages and features of FSC medium and low voltage disturbance-free switching cabinets - HCBBS Forum
56. The air circuit of the control valve – why isn’t this port connected? - HCBBS Forum
57. What type of level gauge is suitable for use in reaction vessels? - HCBBS Forum
58. Distance between 2 E+H Promass300 mass flow meters in series - HCBBS Forum
59. Centum vp cannot find the default project - HCBBS Forum
60. Process Engineering Division – Instrumentation and Automation Section – Daily Topics – Topic No. 2020-12-10 - HCBBS Forum
61. Fully automated production in chemical workshops - HCBBS Forum
62. Software-002-Flow Accumulator Simulation Software - HCBBS Forum
63. Process Engineering Division – Instrumentation and Automation Section – Daily Topics – Topic No. 2020-12-03 - HCBBS Forum
64. Calculation of the measurement range for liquid level in open containers using single-flange level gauges - HCBBS Forum
65. I would like to ask fellow sailors: what does ‘Pipeline Grade ABA’ in the PID diagram’s pipeline numbering mean? - HCBBS Forum
66. Process Engineering Division – Instrumentation and Automation Section – Daily Topics – Topic No. 2021-02-02 - HCBBS Forum
67. Regarding the selection of steam flow meters - HCBBS Forum
68. Process Engineering Division – Instrumentation and Automation Section – Daily Topics – Topic No. 2020-12-13 - HCBBS Forum
69. 1.0mm2 cable longest laying distance - HCBBS Forum
70. Emerson 8600d flow meter unit - HCBBS Forum
71. Basic level control, please help - HCBBS Forum
72. Function and principle of ultrasonic level gauges - HCBBS Forum
73. WinCC learning materials* - HCBBS Forum
74. Design issues for main cables and branch cables - HCBBS Forum
75. Considerations for selecting instrument accuracy - HCBBS Forum
76. Regarding thermocouple wiring issues - HCBBS Forum
77. Working principle and correct operating methods of radar level gauges - HCBBS Forum
78. Process Engineering Division – Instrumentation and Automation Section – Daily Topics – Topic No. 2021-02-05 - HCBBS Forum
79. Process Engineering Division – Instrumentation and Automation Section – Daily Topics – Topic 2021-01-01 - HCBBS Forum
80. Flammable and toxic gas alarm system and SIS - HCBBS Forum
81. Compressor control system - HCBBS Forum
82. Process Engineering Division – Instrumentation and Automation Section – Daily Topics – Topic No. 2020-12-22 - HCBBS Forum
83. Questions regarding solenoid valves NO and NC - HCBBS Forum
84. Regarding the ground resistance and ground connection resistance of instrumentation and control systems - HCBBS Forum
85. Seeking help with instrumentation terminology. - HCBBS Forum
86. Honeywell - HCBBS Forum
87. For use on boilers, with a range of 800 mm, a temperature of around 300 degrees, and a pressure of PN160 – should a magnetic flap level gauge or a boiler-type level gauge be used? - HCBBS Forum
88. Process Engineering Division – Instrumentation and Automation Section – Daily Topics – Topic No. 2021-01-20 - HCBBS Forum
89. When an intelligent transmitter fails, for production safety and to facilitate fault diagnosis, it is generally necessary to fix the transmitter’s output... - HCBBS Forum
90. What is the abbreviation DEV before the flow meter, and what does it mean? - HCBBS Forum
91. Is the DEVCTL module necessary when configuring the pump status? - HCBBS Forum
92. How to wire a motor start/stop control using an electric contact pressure gauge - HCBBS Forum
93. Can kerosene and aviation fuel be detected using the same combustible gas detector? - HCBBS Forum
94. Venturi tube throttle element calculation formula - HCBBS Forum
95. Seeking help with heating furnace thermocouple issues - HCBBS Forum
96. Analysis of the Principle and Advantages of Radar Level Meters - HCBBS Forum
97. Flow measurement range - HCBBS Forum
98. I would like to ask experts: can a conductivity meter be used to measure pure propylene? - HCBBS Forum
99. Fisher valves - HCBBS Forum
100. Why is low-value control chosen for the BOG compressor tank pressure control and the operating condition correction of the recondenser? - HCBBS Forum