English — Forum #350 (Page 140/163)

1. Which brand is good for throttle expansion valves? - HCBBS Forum
2. A new silicone oil option is available in the Yokogawa EJA-118E series – what are the differences for high vacuum applications? - HCBBS Forum
3. Seeking advice from experts: D/P level transmitter - HCBBS Forum
4. For orifice plate flow meters, if the flow measurement is inaccurate, why can adding an isolation fluid correct it? - HCBBS Forum
5. What size fuse should be used for the power supply of four-wire instruments? - HCBBS Forum
6. How to perform simulation operations for the Zhongkong JX300 system on a separate computer? ? - HCBBS Forum
7. What type of flow meter is suitable for measuring hot water? - HCBBS Forum
8. Unit Bentley (Pallis) probe - HCBBS Forum
9. Methods for optimizing the efficiency of floating tanks using water! - HCBBS Forum
10. Which differential pressure gauge should be used for liquids with a high amount of suspended solids? - HCBBS Forum
11. Seeking help with Honeywell C300 script issues - HCBBS Forum
12. Questions regarding the wiring method for instrument measurements - HCBBS Forum
13. It specifically criticized a major domestic manufacturer of pressure transmitters, Chongqing Wei’an - HCBBS Forum
14. Regarding the selection of instrument cables - HCBBS Forum
15. 475 Menu - HCBBS Forum
16. I would like to ask: given the total number of points in a DCS system, how are AI, AO, DI, and DO calculated respectively? - HCBBS Forum
17. Wiring method of thermal resistors - HCBBS Forum
18. One temperature signal can control several control valves - HCBBS Forum
19. Fluent to ANSYS fluid-structure coupling calculation examples - HCBBS Forum
20. What is a pneumatic diaphragm control valve controller and what is its function? - HCBBS Forum
21. Project consultation - HCBBS Forum
22. Water treatment COD - HCBBS Forum
23. Regarding power supply selection, what are the advantages and disadvantages of the N+1 and redundant configurations? - HCBBS Forum
24. Saturated vapor pressure of a substance - HCBBS Forum
25. 【Weekly 3 Questions, Question 5】2017.8.19 - HCBBS Forum
26. Pressure increase at the compressor return inlet - HCBBS Forum
27. The control valve operates very slowly at speeds above 75%. Why? - HCBBS Forum
28. Problems in the implementation of Document No. 116 issued by the State Administration of Work Safety - HCBBS Forum
29. Have you come into contact with a dual-loop flow ratio control system? - HCBBS Forum
30. Can a bypass valve be installed on the cut-off valve of the emergency stop interlock? - HCBBS Forum
31. Seeking assistance with purchasing Jetstream brand valves; having access to suppliers would be ideal. - HCBBS Forum
32. ACS800 drive training materials - HCBBS Forum
33. The Yamaki positioner switch controls oscillations of less than 20% up and down - HCBBS Forum
34. For a two-cylinder control valve, are there 2 sources of control air? - HCBBS Forum
35. Measurement principle of ultrasonic open-channel flow meters - HCBBS Forum
36. Regarding SIS and ESD - HCBBS Forum
37. Can the valve body connection flange of a control valve be welded? - HCBBS Forum
38. Will adding dikes to each tank in the tank farm affect the existing gas detector layout? - HCBBS Forum
39. Which brand of thermal mass flow meter is performed well? Please give me some recommendations. Thank you! - HCBBS Forum
40. Intelligent valve positioner - HCBBS Forum
41. Problems with the calibration of the temperature instrument circuit - HCBBS Forum
42. What is the international standard corresponding to HG/T 21581? - HCBBS Forum
43. Welding of instrument pressure lead pipes - HCBBS Forum
44. I’m a beginner and would like to learn some knowledge related to DCS from the more experienced sailors here - HCBBS Forum
45. Can a control valve be used as an SIS emergency shut-off device? - HCBBS Forum
46. Sudden sharp increase in flow rate of the orifice meter when the valve is opened slightly - HCBBS Forum
47. Standards are meant for people to see; I despise those who are obsessed with money. - HCBBS Forum
48. [Weekly Accident Case Sharing] Accident Case 3: Misoperation of the valve position switch. - HCBBS Forum
49. Issues with cable routing for instrument installation - HCBBS Forum
50. Does a cut-off valve with fault holding function require 1 DO or 2 DOs? - HCBBS Forum
51. Why are single-seat plug valves commonly used for oxygen control valves? - HCBBS Forum
52. Steps and considerations for selecting a flow meter - HCBBS Forum
53. What is the difference between adjustable flow meters and balanced flow meters? - HCBBS Forum
54. Problems with the VEGAPULS 68 radar level gauge - HCBBS Forum
55. Dear experts, please give some advice - HCBBS Forum
56. Interference issues with radar level gauges - HCBBS Forum
57. 【Weekly 3 Questions, Question 38】November 04, 2017 - HCBBS Forum
58. The influence of the isentropic exponent on the calculation of throttling elements - HCBBS Forum
59. Determination of interlock level - HCBBS Forum
60. Analysis of explosion protection issues in the air separation zone cabin - HCBBS Forum
61. The float of the magnetic flap level gauge is damaged - HCBBS Forum
62. How is it achieved in TS1131 to prevent tripping caused by a broken wire in the thermal resistance circuit? - HCBBS Forum
63. For tanks rated at SIL2, a 1oo2 dual-level interlock is used; do both level gauges meet the SIL2 certification requirements? - HCBBS Forum
64. Over-temperature alarm for CEMS condensation chamber temperature controller of Siemens online instruments - HCBBS Forum
65. Issues with the list of instruments in engineering feasibility studies - HCBBS Forum
66. Phosphorus trichloride storage tank interlock - HCBBS Forum
67. Information on the Central Control ECS700 system - HCBBS Forum
68. Fluorinated oils in pressure transmitter applications - HCBBS Forum
69. Why is an ammeter connected in series in the negative circuit during transmitter calibration? - HCBBS Forum
70. 【Interview Question】For a control valve with a diameter of DN100 and a pressure difference of 100 kPa, how should it be selected? - HCBBS Forum
71. Five key issues to consider when installing ultrasonic flowmeters - HCBBS Forum
72. How does pcs7 communicate with other systems? - HCBBS Forum
73. Why are there no three questions every Wednesday? ? ? - HCBBS Forum
74. Cologne flowmeter issue - HCBBS Forum
75. "A separate high liquid level monitoring, alarm, and interlock control system should be installed\" Question - HCBBS Forum
76. Help, what is the difference between ppm and mg/l as units for oil in water? - HCBBS Forum
77. Introduction to the classification of orifice plate flowmeters - HCBBS Forum
78. What kind of level gauge should be selected? - HCBBS Forum
79. What does “2-out-of-3 voting” mean in instruments? - HCBBS Forum
80. What is a interlock bypass? - HCBBS Forum
81. 【Weekly 3 Questions, Question 34】2017.10.26 - HCBBS Forum
82. A newcomer to recruitment wants to know what essential professional skills are required for chemical instrument design? - HCBBS Forum
83. Magma pressure - HCBBS Forum
84. Xiaobai is seeking help - HCBBS Forum
85. 【Weekly 3 Questions, Question 10】2017.8.31 - HCBBS Forum
86. What is the ramp curve of a valve? - HCBBS Forum
87. The 24V solenoid valve is not functioning - HCBBS Forum
88. Requirements for the location of instrument pressure tapping pipes - HCBBS Forum
89. What are the foreign brands of temperature transmitter modules? - HCBBS Forum
90. Which company has analyzers for measuring nitrogen and oxygen in hydrogen, as well as analyzers for detecting primary and secondary hydrogen in hydrogen? - HCBBS Forum
91. Convert CAD drawings to PDF - HCBBS Forum
92. How are two-valve assemblies, three-valve assemblies, and five-valve assemblies expressed in English? - HCBBS Forum
93. Issues with measuring media in float level gauges - HCBBS Forum
94. Which type of flow meter is more suitable for measuring gas-liquid two-phase flow media - HCBBS Forum
95. Issues regarding combined certification for explosion protection - HCBBS Forum
96. 【Weekly 3 Questions, Question 37】2017.11.02 - HCBBS Forum
97. Regarding the flange spacing of double-flange level gauges - HCBBS Forum
98. Seeking purchase of surface thermocouples for Desgu gasifiers - HCBBS Forum
99. Can the pumps interlocked by the SIS system be controlled in the DCS? - HCBBS Forum
100. Sharing winter anti-freezing experiences: Clean gas remote transmission level gauge - HCBBS Forum