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Control.com member...Member Information and Posts by akhait
from the Instrument department...Generic pressure transmitter in SIL determination
Doubts about "generic" instrument
Adding lately my thoughts and experience on this interesting topic: No, for a SIL loop you don't...
from the Instrument department...Pressure control valve
Pressure control valve works well when isolated, but after opening does not close to 0%
Agree with d. Most likely cause is the undersizing of the actuator. Try using a booster in...
from the Instrumentation Department department...Failure of blowdown valves
Suitable type of shutdown valve
from the Instrumentation department...Process connection for Hastelloy C DP transmitter
Process connection accessories required for DP Transmitters for Acid tanks
Hello, Your problem is to select proper impulse tube material. You haven't given enough...
from the Forum department...Junction Boxes for zone 0
what is the minimum requirements for junction box in zone 0?
1st of all you haven't indicated correctly the hazardous rating of the area where the junction box...
from the Instrumentation Department department...Siemens Gas Turbine cable gland issue
Siemens gas turbine cable gland issue
from the Forum department...Thermowell Length for best accuracy
What is the Thermowell immersion length required for best accuracy?
The error in the temperature measurement happens in such cases due to a well know phenomena called...
from the Instrumentation department...Emergency shut down system for process plant
As per my knowledge for ESD system is always implemented through PLC is there any particular safety reasons for that?
Hello Dick, You are correct. Yes, according to the manufacturer's claim in ABB 800, the same...
from the Contrl system department...Interposing relay Panel
Do we need two type of Interposing relays in Relay panel for controlling Motor & getting feedback?
Hello, I couldn't agree with your comment on the DCS/PLC DO. Please note that 24 V DC...
from the Automation List department...EEx ia vs EEx [ia] vs [EEx ia]
EEx ia and EEx [ia] and [EEx ia] and isolation barrier
Rashid, You need to be little bit careful with this instrument. There are various parts of the...
from the Forum department...displacer type I/F level
displacer type I/F level Measurement
Hello, If you want to calibrate a displacer type interface level measuring instrument at field...
from the maintenance department...mass flow controller
Where should we use mass flow controller ?
You haven't given sufficient details to answer your question correctly. In which industry you are...
from the Forum department...Interface transmitter displacer type
When you are measuring interface level with displacer, 1st consideration is make sure that 100% of...
from the Transmitter Calibration Instrumentataion department...Recalibrating a Gauge Pressure Transmitter to be a vacuum pressure even if its not absolute type categorised?
Can a Gauge Pressure Transmitter be recalibrated for vacuum pressure even if its not absolute type categorised?
For the gauge pressure transmitter both the ports are open to the atmosphere. If you are connecting...
from the commissioning department...electrostatic treater interfce level control
We have a Ktek Capacitance type level transmitter to measure the interface and it is part of a LIC and LCV. We have checked the calibration and it is ok. In a current normal operation crude is flowing along with the water on the water line.
Roberto, Most probably the problem is with the level transmitter probe. I am working on a FPSO...
from the PLC department...Digital output card - PLC
PLC digital output card for Solenoid valves
Sami, You are correct, the most important point to check if the output power per channel has the...
from the Forum department...Maximun Shutoff Differential in a valve
Significance of Maximum Delta P shut off for valves
Maximum shut off DP is vital to size the actuator of the valve. If the DP is less, the actuator...
from the Instrumentation department...Connection of 3-wire sink device in Siemens PCS-7 safety PLC
How to connect a 3-wire sink transmitter to Siemens PCS-7 safety PLC?
from the Confused in simple issues department...Basic difference between Zone-2 and Zone-1 equipment
Exd/Exe equipment for Zone-2 and Zone-1
I will try to give you some insight into the subject. Since you are working in a power plant...
from the Forum department...Required SIL for F&G system
Does anyone have experience about F&G detectors which are SIL3?
You haven't given enough information to give you proper guidance. However, pl. note the following: ...
from the Automation department...DCS Shutdown signals
Shutdown logic signal between two DCS systems
In my experience I haven't come across any standards which says that shutdown through serial link...
from the Offshore Oil & Gas Safety department...Offshore Gas detectors' voting
Offshore hydrocarbon gas detectors' voting criteria
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Illinois isn't exactly the land that God forgot -- it's more like the
land He's trying to ignore.
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