English — Forum #350 (Page 26/163)

1. Electromagnetic valve control logic for dry gas seals! - HCBBS Forum
2. Application differences, functional distinctions between servo level gauges and radar level gauges, as well as their selection and use in tank farms - HCBBS Forum
3. The ABB AC700 project will not open - HCBBS Forum
4. Is the negative migration of the hydrostatic level gauge too large and the gauge needs to be changed? - HCBBS Forum
5. Design standards and specifications for fire shields of control valves - HCBBS Forum
6. What does a butt-welded straight-through terminal connector BW∅14/∅22PE look like? - HCBBS Forum
7. Are there any brothers working in the instrumentation industry in Suzhou or Jiangsu? Come and share your experiences - HCBBS Forum
8. Seal integrity of the pressure gauge and fogging inside the pressure gauge - HCBBS Forum
9. The Dinghua G80 radar enables accurate measurement of substances with low dielectric constants such as liquid chlorine and yellow phosphorus at a chemical plant in Jiangsu - HCBBS Forum
10. Install a tuning fork switch on the pipeline - HCBBS Forum
11. What type of flow meter should be used to measure hydrogen flow in DN100 pipes? - HCBBS Forum
12. Instrument gas supply pipeline design - HCBBS Forum
13. Pulse recognition problem - HCBBS Forum
14. Magnetic flap level gauge - HCBBS Forum
15. Why weren’t the 26G radar level gauge and the 80G radar level gauge chosen when making the purchase? - HCBBS Forum
16. Transmitter Range Migration Calculation Software (Green, Install-Free Version) - HCBBS Forum
17. Thermal resistor - HCBBS Forum
18. How to understand \"full-process automation\"? Does achieving remote control equate to achieving automation? - HCBBS Forum
19. Issues with the process connection method of pressure transmitters - HCBBS Forum
20. How long does it take for a DCS alarm to trigger a SIS response? - HCBBS Forum
21. Is there a significant difference in temperature and pressure resistance between valve spools 304 and 316? - HCBBS Forum
22. Motor DCS signals and instrument DCS signals - HCBBS Forum
23. Seeking help in selecting a gauge pressure transmitter - HCBBS Forum
24. Discussion on hydrogen permeation - HCBBS Forum
25. Yokogawa differential pressure - HCBBS Forum
26. Analyze the classification and structure of analysis cabins - HCBBS Forum
27. Is it still necessary to take the exam for a First-Class Constructor? - HCBBS Forum
28. Safety risk analysis of interlocking operation tickets - HCBBS Forum
29. Should explosion-proof flexible hoses be installed mandatorily? - HCBBS Forum
30. SIS bypass button and reset button - HCBBS Forum
31. How to interlock the start and stop of the boiler feed water pump with the drum level - HCBBS Forum
32. As shown in the figure, the solenoid valve is A on the left and B on the right. - HCBBS Forum
33. Recommendations for gas detector brands - HCBBS Forum
34. SIS interlock logic - HCBBS Forum
35. Discussion on pneumatic circuit instruments - HCBBS Forum
36. Wet desulfurization pH meter - HCBBS Forum
37. Basis and reasons for including Class I and II major hazard sources in the SIS system - HCBBS Forum
38. Can pressure relief manholes be installed on atmospheric storage tanks for highly toxic liquids? - HCBBS Forum
39. Material issue with the air source solenoid valve - HCBBS Forum
40. Comparison of measurement range ranges for various oxygen content analyzers - HCBBS Forum
41. A pressure gauge with electrical contacts can’t have an alarm function, right? - HCBBS Forum
42. How to handle rapid shutdown of a pneumatic control valve due to power loss - HCBBS Forum
43. What type of level gauge is suitable for septic tanks? - HCBBS Forum
44. Regarding the inaccurate differential pressure orifice plate flow readings at the inlet of the diaphragm compressor - HCBBS Forum
45. How is the redundancy of DCS configured in the chemical projects currently under implementation? - HCBBS Forum
46. I would like to ask you about the temperature measuring holes and pressure measuring ports. - HCBBS Forum
47. Issues with the signal alarm circuit - HCBBS Forum
48. AMS, PDM, or FDM – which is better? - HCBBS Forum
49. Should pressure storage tanks and pipelines use flexible connections? - HCBBS Forum
50. Instrument installation - HCBBS Forum
51. Help, the official document regarding the latest regulations on the classification of measuring instruments - HCBBS Forum
52. Pitfalls in instrument control systems that you must know! - HCBBS Forum
53. Acousto-optic alarm signal - HCBBS Forum
54. Regarding the issue of adding partitions to the instrument bridge - HCBBS Forum
55. What type of flow meter is suitable for high-pressure, room-temperature nitrogen? - HCBBS Forum
56. Cable selection issues - HCBBS Forum
57. Selection Specifications for Primary Valves of Instruments - HCBBS Forum
58. Understanding the mnemonic for PID tuning - HCBBS Forum
59. Cybersecurity - HCBBS Forum
60. Calibration issues of differential pressure flowmeters for measuring steam - HCBBS Forum
61. I need the manual for a Honeywell Enraf 977TSI level gauge - HCBBS Forum
62. Is Dinghua’s level switch good? - HCBBS Forum
63. The drum liquid level fluctuates severely; how can this be addressed from an instrumentation perspective? - HCBBS Forum
64. Release the 6th wave of instrument book introductions – free download with screenshot descriptions - HCBBS Forum
65. What size cable is needed for star-delta starting of a 55KW motor? - HCBBS Forum
66. Can a 24V power supply always be connected where there are pressure transmitters and temperature transmitters? - HCBBS Forum
67. Terminal looseness detector - HCBBS Forum
68. The operation flowchart for the ECS700 monitoring software operator login cannot be displayed - HCBBS Forum
69. Sil computer pump failure probability - HCBBS Forum
70. Wiegand VEGAFLEX 81 - HCBBS Forum
71. Which discipline is responsible for the design of the connections between instruments and process pipelines? - HCBBS Forum
72. Scraper flowmeters are commonly used in crude oil transfer trades - HCBBS Forum
73. Does having a orifice flow meter near a elbow cause noise? - HCBBS Forum
74. Outdoor optical cable laying for control system - HCBBS Forum
75. Seeking advice on emergency cooling measures for hazardous processes - HCBBS Forum
76. What does a flow meter (housing) inspection certificate refer to? - HCBBS Forum
77. For diaphragm pressure gauges, can they be used normally just by replacing the dial on top? - HCBBS Forum
78. Interlock issues in chlor-alkali electrolysis - HCBBS Forum
79. It doesn’t matter what size the gauge face is, right? - HCBBS Forum
80. Precautions for Instrument Installation to Prevent Leaks and Liquid Ingress (Revised Discussion Version) - HCBBS Forum
81. How are the tank farm units for major hazardous chemical sources classified? - HCBBS Forum
82. The emergency vent pipes for flammable liquids or gases in refining units should be equipped with purging facilities - HCBBS Forum
83. A new beginning in 2023 – may everything be fine! - HCBBS Forum
84. Dinghua Radar Knowledge Lecture: An Overview of Two Types of Radar Level Meters - HCBBS Forum
85. Can the valve pressure test be omitted? - HCBBS Forum
86. -How to choose a level gauge for a liquid nitrogen storage tank at 196℃ - HCBBS Forum
87. Inverter start/stop control - HCBBS Forum
88. Useful Tips | Installation and Maintenance of Electromagnetic Flow Meters - HCBBS Forum
89. Selection between fixed ball valves and floating ball valves - HCBBS Forum
90. During shutdown for maintenance, are the on-site pressure gauges and pressure transmitters both calibrated? Recording this in the calibration sheet requires a lot of work - HCBBS Forum
91. Problems with shaft system instruments - HCBBS Forum
92. Automatic Calculator for Cable Trays and Installation Materials (Green, installation-free version) - HCBBS Forum
93. Can the equipment control room be built together with other buildings? - HCBBS Forum
94. GDS and DCS communication - HCBBS Forum
95. SIS system safety relay - HCBBS Forum
96. Where can one obtain a certification as an instrument repair technician? - HCBBS Forum
97. Pipeline pressure drop calculation - HCBBS Forum
98. FO, FC, FL – can you tell them apart? - HCBBS Forum
99. Who has used absolute pressure flanges to install pressure transmitters - HCBBS Forum
100. Balanced flow meter for measuring steam - HCBBS Forum