English — Forum #350 (Page 36/163)

1. What are these Sis cabinets used for? - HCBBS Forum
2. What does an independent safety instrumented system mean? - HCBBS Forum
3. Do explosion-proof instruments need safety barriers? - HCBBS Forum
4. The downtime of the equipment is short; are there any things to keep in mind when modifying the system? - HCBBS Forum
5. Why do instrument junction boxes need jumpers? - HCBBS Forum
6. Which company is good at manufacturing wedge flow meters? - HCBBS Forum
7. HGT 20505-2014 Functional indicators and graphic symbols for process measurement and control instruments - HCBBS Forum
8. Can the cabinet be installed in the equipment area? - HCBBS Forum
9. Alarm - HCBBS Forum
10. Regarding the instrument range issue - HCBBS Forum
11. Comparison of metallographic images before and after hydrogen embrittlement testing on stainless steel 304 - HCBBS Forum
12. Selection of level gauges for crude oil floating roof storage tanks. - HCBBS Forum
13. On measuring liquid level using the blowing method. - HCBBS Forum
14. The HZAOP analysis is rated as SIL2. - HCBBS Forum
15. Can petrochemical instrument cable trays be laid with wave climbing? - HCBBS Forum
16. Question regarding the reason why the Honeywell ST700 transmitter cannot be zeroed - HCBBS Forum
17. Request flowchart - HCBBS Forum
18. What do 4~20mA and passive/active mean for electromagnetic flowmeters? - HCBBS Forum
19. 6 key features of radar level gauges - HCBBS Forum
20. Selection of electromagnetic flowmeters - HCBBS Forum
21. What does that mean? What is it for? ? - HCBBS Forum
22. Discussion on thermocouple grounding and ungrounded types - HCBBS Forum
23. Orifice plate flow meter - HCBBS Forum
24. Is there a DN50 specification for thermometer flange sleeves? - HCBBS Forum
25. Question: What factors determine the base height of thermocouple and thermal resistor elements? - HCBBS Forum
26. Do the experienced forum members know this? - HCBBS Forum
27. Liquid sulfur flow measurement - HCBBS Forum
28. Radar Lecture Hall | Six points to tell you whether radar is useful or not~ - HCBBS Forum
29. Emerson 485 Analog Flow Meter - HCBBS Forum
30. Selection of on-site flow meters - HCBBS Forum
31. How to disassemble and install the Rosemount 3051 pressure transmitter? - HCBBS Forum
32. Online moisture detector for industrial silicon raw materials - HCBBS Forum
33. Plastic Melt Fingermeter - HCBBS Forum
34. Why does the air compressor start and stop operating frequently? - HCBBS Forum
35. Isolation valve testing - HCBBS Forum
36. Questions regarding cable selection - HCBBS Forum
37. Automatic crude oil sampling system - HCBBS Forum
38. Is there something wrong with this SIS interlock design? - HCBBS Forum
39. Can the current of a high-voltage motor be used as a parameter for controlling the liquid level of a device? - HCBBS Forum
40. Rosemount single flange level gauge is installed at the front of the material pump, and the reading jumps back and forth - HCBBS Forum
41. What is the pound rating of fluorine-lined valves? - HCBBS Forum
42. Help: \"Rules for Maintenance and Repair of Petrochemical Equipment, Volume 7: Instruments\", revised edition in 2004 - HCBBS Forum
43. What are the distance requirements between the chemical plant control room (cabinet room) and the substation? - HCBBS Forum
44. The system manufacturer says they don’t look at the logical interlock diagrams, only the textual descriptions? - HCBBS Forum
45. Can an increased safety type junction box be placed in Zone II? - HCBBS Forum
46. How are the electrodes of an electromagnetic flowmeter connected to the pipeline? - HCBBS Forum
47. How to set up Honeywell PLS MODBUS ASCII communication? - HCBBS Forum
48. Does anyone here have Siemens PDM debugging software? - HCBBS Forum
49. Questions about instrument air distributor and instrument air storage tank? - HCBBS Forum
50. Seeking recommendations for brands of hydrogen peroxide analyzer devices - HCBBS Forum
51. Instrument Technician’s Manual (2nd Edition) by Le Jiaqian - HCBBS Forum
52. 【CENTUM_VP Video Tutorial】Yokogawa CENTUM Video Training Tutorial - HCBBS Forum
53. Guidelines for Identifying and Addressing Safety Risks and Hazards in Hazardous Chemical Enterprises, 2019 edition issued by the Emergency Management Bureau - HCBBS Forum
54. API6FA - HCBBS Forum
55. Is SIL verification required for all SIF circuits rated at SIL Class A? - HCBBS Forum
56. What type of flow meter is relatively inexpensive for measuring the flow rate of circulating water, for example, with a DN50 PN16 diameter? - HCBBS Forum
57. Regarding dust content monitoring - HCBBS Forum
58. Seeking help with a small issue in the SIS interlock design - HCBBS Forum
59. Should an HH alarm interlock display be included in the safety interlock system of PID? - HCBBS Forum
60. In the event of a fault with the instrument itself, is it necessary to activate the safety interlock to ensure safety? - HCBBS Forum
61. Looking for a product that can provide a solution - HCBBS Forum
62. What exactly do the process connection methods and process piping methods for thermometers and pressure gauges refer to? - HCBBS Forum
63. Applications of dielectric moisture meters in the military industry - HCBBS Forum
64. Quantitative feeding problem - HCBBS Forum
65. Standard wiring diagram for the Bentley 3500 system - HCBBS Forum
66. For the nitrogen sealing control scheme in atmospheric pressure tanks, what are the specified pressure values before the nitrogen sealing valve? - HCBBS Forum
67. Interlocking between controllers - HCBBS Forum
68. Thermocouple calculation problems - HCBBS Forum
69. Medium: liquid alkali; material selection for pressure transmitters - HCBBS Forum
70. Where can I find the design specifications for cable trays in hazardous chemical storage tank areas? - HCBBS Forum
71. Knowledge sharing on current and power related to power cords - HCBBS Forum
72. What specifications are available for reference when participating in the design of DCS configurations? - HCBBS Forum
73. Laminar flow meter - HCBBS Forum
74. May I ask what the air volume of the fan is at such a frequency? - HCBBS Forum
75. The radar level gauge is showing a disconnect alarm; there is no display on the gauge. The voltage measured is 3.1 V when the gauge is connected, while it rises to 21 V when the gauge is disconnected. I would appreciate it if everyone could help analyze what might be causing this issue How should one judge it? - HCBBS Forum
76. Probe (parameters): What does repeatability ±3%F.S mean? - HCBBS Forum
77. Case analysis of radar level gauges in liquid ammonia applications - HCBBS Forum
78. Issues with accessing historical station trends from the Yokogawa Centem VP operation station - HCBBS Forum
79. Conval professional valve selection software - HCBBS Forum
80. ANSI/FCI 70-2 Seat Internal Leakage Test - HCBBS Forum
81. Dinghua Radar Knowledge Lecture: What are the differences between radar level gauges, material level gauges, and liquid level gauges? - HCBBS Forum
82. Common error codes and solutions for ABB TZID-C intelligent positioners - HCBBS Forum
83. Could any expert help me figure out how to calibrate the German Bertho LB490 and LB491? - HCBBS Forum
84. A brief discussion on the differences between magnetic flap level gauges and external level gauges - HCBBS Forum
85. Instrument accuracy - HCBBS Forum
86. Seeking purchase of pilot-operated flameproof solenoid valves with a power rating of less than 2W - HCBBS Forum
87. The negative terminal block of the 24V power supply has 6V AC voltage with respect to ground or the cabinet rails - HCBBS Forum
88. What should equipment users do after the production of the older model GEA energy level sensor, 627498001, comes to an end? - HCBBS Forum
89. Chain logic simulation - HCBBS Forum
90. Hydrogen pipeline pressure gauge - HCBBS Forum
91. I have a question regarding the instrument wiring box - HCBBS Forum
92. Help: Instrument air is filled inside the temperature protection sleeve - HCBBS Forum
93. How to select a swirl-type level gauge - HCBBS Forum
94. Difference between safety barriers and isolators - HCBBS Forum
95. Selection of compensation wire diameter - HCBBS Forum
96. Can a selective control system be used for SIS interlocking? - HCBBS Forum
97. Regulating valve flow direction to FTO - HCBBS Forum
98. The EJA110e differential pressure transmitter is unstable - HCBBS Forum
99. Looking for recommendations for manufacturers of two-color level gauges in Zhangjiagang - HCBBS Forum
100. Selection of cut-off valves - HCBBS Forum