Types of Surge Control for Parallel Gas Compressors
Different Types of Surge Control for Parallel Gas Compressors are as follows. Types of Surge Control Base Load Method Suction Side – Speed Control Method Equal Flow Balance Method Equidistant...
Difference between RTJ and T&G Flange Facings
I searched many sources to know the difference between Tongue and Groove Flange and RTJ flange, both looked same as per construction. RTJ and T&G Flange Mostly (not always) we go...
How to do Interface Level Calculation using DP Transmitter ?
Interface level calculation is not complicated. If we just have our basics concepts clear it is very straight forward. First simple pressure measurement formula The pic above shows a Container...
What is Static Pressure Limit in DP Transmitter ?
In a DP transmitter one of the very important ingredient to check is Static pressure. Well static pressure and Differential pressure in DP transmitter are two DIFFERENT terms So what...
When to choose Full Bore Valve or Reduced Bore Valve ?
A brief explanation as this article is more focused on the section of Full or Reduced bore type of valves. Full bore Valve :- The I.D of the Valve is...
How to Control VFD with PLC using Ladder Logic
This is a complete tutorial about PLC ladder logic to control variable frequency drive (VFD) for motor speed control with speed selection from Field Local Panel or SCADA graphics. Execution...
PLC Sequencer Instruction with Example
The PLC Sequencer Instruction (SQO) is an output instruction. SQO instructions can perform the same specific “ON” or “OFF” patterns of outputs that are continuously repeated. The advantage of sequencer...
Process Design of Instrument Air System
Industrial process facilities consist of a wide variety of pneumatically operated equipment which needs to be provided with a motive force for operation. Towards this, ambient air is one of...
Why Orifice Flow Meter Flange is not Recommended 150# Rating ?
This question comes to mind ? As to Restriction Orifice can have 150# but Orifice flange (Flow meter) is not recommended to have 150# rating. Orifice Flange Rating – 150#...
Automatic Car Washing using PLC
Make a PLC Ladder diagram for Automatic car washing process using PLC program in RSLOGIX 500 software. Automatic Car Washing Problem Solution Car entry sensor triggers the process and turns...