English — Forum #350 (Page 119/163)

1. Videos on the principles of various types of valves - HCBBS Forum
2. The PT100 is intrinsically safe for use in explosion-proof areas, while the junction box is waterproof – don’t understand? - HCBBS Forum
3. Feedback issues with pneumatic control valves - HCBBS Forum
4. The issue of not mixing gases and liquids with orifice plate throttling elements - HCBBS Forum
5. Problems with the Zhejiang University Zhongkong JX-300XP module - HCBBS Forum
6. Double-flange transmitter for level measurement – migration issue. - HCBBS Forum
7. Based on my experience, I’ll tell you about the instrument safety certification process and the things to keep in mind - HCBBS Forum
8. Turbine flowmeter - HCBBS Forum
9. Features of flue gas flow meters and the range of media they can handle - HCBBS Forum
10. Interlock logic diagram of the catalytic cracking main fan - HCBBS Forum
11. I need an expert to help me figure out how to connect this valve - HCBBS Forum
12. Whether it is a single-core valve or a dual-core valve, the fluid flows in from below and out from above. - HCBBS Forum
13. For the dark horse SIS, if PB-20001C operates, AND won’t produce any output, right? - HCBBS Forum
14. Issues with Bentley 3500 signal transmission? - HCBBS Forum
15. The pneumatic control valve cannot be adjusted - HCBBS Forum
16. Solenoid valve - HCBBS Forum
17. Target flow meter - HCBBS Forum
18. Can a 1/4 inch hose be used as a substitute for a 6mm hose? - HCBBS Forum
19. What does CD stand for in the chemical industry? I need help with this abbreviation - HCBBS Forum
20. SHT 3164-2012 Design Code for Lightning Protection of Instrumentation Systems in Petrochemical Industries - HCBBS Forum
21. Specifications for Automatic Instrument Tag Numbering - HCBBS Forum
22. In the Siemens S7-300 hot water station, why are the values of the analog inputs on the high side? - HCBBS Forum
23. Are the configuration data cables for Beckhoff and MTL safety barriers compatible? - HCBBS Forum
24. Application of HART converter in communication with Coriolis IFC flowmeters - HCBBS Forum
25. Problems with the EJA100A differential pressure level transmitter - HCBBS Forum
26. Seeking a comparison between KingView and LabVIEW - HCBBS Forum
27. Hollyland DCS algorithm - HCBBS Forum
28. How should the isolation valves for SIS and DCS be configured? - HCBBS Forum
29. Essential products for pressure calibration (pressure conversion adapter screws) - HCBBS Forum
30. KCD2-SR-EX2 safety barrier DIP switch settings - HCBBS Forum
31. Gas for analytical instruments - HCBBS Forum
32. Three methods for detecting abnormalities in intelligent differential pressure transmitters - HCBBS Forum
33. How to use a signal generator - HCBBS Forum
34. Seeking help regarding Hilscher systems. - HCBBS Forum
35. Seeking advice on using backflow wind to measure density - HCBBS Forum
36. Regarding whether an on-site button needs to be added to the emergency shut-off valve - HCBBS Forum
37. What are the differences in usage and applications between ball valves and needle valves? l - HCBBS Forum
38. On-site instrument selection - HCBBS Forum
39. Basic knowledge of safety barriers - HCBBS Forum
40. Seeking instrumentation equipment - HCBBS Forum
41. Single-chamber equilibrium vessel and double-chamber equilibrium vessel - HCBBS Forum
42. 【Control Version】One Question per Day 20180412 - HCBBS Forum
43. What are the reasons for inaccurate readings from steam flow meters? - HCBBS Forum
44. Today is the Lantern Festival; those who post great posts or give excellent replies will receive the greatest wealth possible - HCBBS Forum
45. Selection of the diameter of the protective tube when passing cables through it - HCBBS Forum
46. Can the expanded measurement range provided by dual transmitters be understood as meaning that one of the transmitters will always operate outside its rated range? - HCBBS Forum
47. Automatic calculation for float level/gauge, automatic calculation table for double-flange level/gauge - HCBBS Forum
48. If the density of the medium changes, does the height of the gauge used in a float level gauge change significantly as well? - HCBBS Forum
49. The issue of sulfuric acid concentration - HCBBS Forum
50. 【Control Version】One Question per Day 20180516 - HCBBS Forum
51. Solenoid valve - HCBBS Forum
52. Advanced Diagnosis and Analysis of Four Common Types of Instrument Failures - HCBBS Forum
53. ABB Analytical Instrument Instructions - HCBBS Forum
54. Zhejiang University Zhongkong - HCBBS Forum
55. Foam high and low level detection, instrument options - HCBBS Forum
56. Rosemount gauge alarm - HCBBS Forum
57. How to modify parameters of Emerson micro motion mass flow meters? - HCBBS Forum
58. The system installed in 2004 fails to start when the main computer loses power, but it can start again after some time - HCBBS Forum
59. Instrument Selection (2): Rotameters - HCBBS Forum
60. Looking for an agent for KEEK magnetic flap level gauges. - HCBBS Forum
61. I need help figuring out what the range of the flow meter in the picture is - HCBBS Forum
62. The issue of static reading in vortex flowmeters - HCBBS Forum
63. What are the reasons for the low quality of domestic valve products? - HCBBS Forum
64. What is the temperature range that an online pH meter can measure? What is the lifespan of a pH electrode? How to maintain - HCBBS Forum
65. What are overhead feeders and underground feeders? - HCBBS Forum
66. Do engineers developing SIS systems need a TUV certification? - HCBBS Forum
67. Under what circumstances is it necessary to install a virtual machine? - HCBBS Forum
68. Can online detection of liquid concentration be used to achieve proportional control with the feed flow rate? - HCBBS Forum
69. Dear sea friends, how do you determine the accuracy grade when selecting measuring instruments? - HCBBS Forum
70. What trends can be expected in process control within the fine chemicals industry? Do any of you have any valuable insights? - HCBBS Forum
71. Rosemount differential pressure transmitter issues - HCBBS Forum
72. Selection of a water level gauge - HCBBS Forum
73. Interlock issues in the sulfide carbide canning process - HCBBS Forum
74. Interlock control system - HCBBS Forum
75. 【Control Version】One Question per Day 20180419 - HCBBS Forum
76. Instrument Selection Criteria Table - HCBBS Forum
77. Looking for WinCC and STEP7 software that can run on Win7 - HCBBS Forum
78. On-site instrument on-site grounding - HCBBS Forum
79. Question: Issues with E+H Prowirl 200 series FF bus vortex flow meters - HCBBS Forum
80. Issues regarding the distributor and pneumatic control valve - HCBBS Forum
81. Level gauge - HCBBS Forum
82. Protective grounding and working grounding of DCS cabinets - HCBBS Forum
83. What’s the difference from the CCS control system? - HCBBS Forum
84. Request wiring diagram and control scheme - HCBBS Forum
85. 【Help】Installation of flameproof sensors in Zone 1? - HCBBS Forum
86. Questions about PLC ladder diagrams - HCBBS Forum
87. 【Control Version】One Question per Day 20180502 - HCBBS Forum
88. Some minor issues with the weight sensors used in belt scales. - HCBBS Forum
89. May I ask what the configuration software options are for Zhejiang University Zhongkong DCS systems? - HCBBS Forum
90. Flammable gas detector - HCBBS Forum
91. Replace diaphragm in direct-acting actuator - HCBBS Forum
92. Thermometer sleeve - HCBBS Forum
93. What is the purpose of the handwheel in an actuator with a handwheel? - HCBBS Forum
94. What are the requirements for selecting accessories in valve selection? - HCBBS Forum
95. How is the control of a pump represented in a process flow diagram? - HCBBS Forum
96. Quantitative loading system for acids and bases - HCBBS Forum
97. Foxboro system unable to connect to remote host AW5101 - HCBBS Forum
98. How to set square root on a Mitsubishi PLC? - HCBBS Forum
99. Thermocouple compensation issue - HCBBS Forum
100. Applications of fully welded ball valves, directly buried welded ball valves, and underground fully welded ball valves, as well as characteristics of the welding process - HCBBS Forum