I saw one P&ID 6" control valve has been connected with 8"
process line, and 2" valve also connected in parallel with
6" valve. why the 2" valve connected in parallel, Is there
any technical reason. please clarify. With Regards-Kittu

Answer Posted / chowdary

The controller name is Split Range controller.

Is This Answer Correct ?    8 Yes 3 No



Post New Answer       View All Answers


Please Help Members By Posting Answers For Below Questions

Valve positioner and actuators in detail.

1385


can you provide me full detail about instrumentation in ONGC??

1754


Draw block digram for well head from well to shipping pump?

1741


If fire would be inside the plant which fire detector is to detected the fire.

1076


explain key exchanges in all security modes WPA,WPA2,TLS?

1497






Explain operation of Haskel pump.

1547


where i can get training in INTOOLS and PDMS in Delhi-NCR OR north part of India. please reply with ur ans. at arunsamkaria@ymail.com

3077


What is the purpose of the analyzer in petrochemical plant?

3374


Where is wet leg is used?

639


how can leve transmetter calibate in feild .and also put cv and flow plz .....

1776


whats the abbreviation of IOP? is it instrument of power or input open problem?

666


In which principles tx ,pressure gauge,Temp gauge,control valve works?

1295


Why grounding is necessary? Give example with diagram.

1755


Why does a pressure gauge installed on reactor, doesn't have any vent line below to release the pressure? Is it any kind of designing mistake or it actually does not require any vent line? And if it does not require any vent line below it then how we are gonna release the pressure built inside the pressure gauge?

1720


what is the process for double acting cylinder pneumatic for 32' v/v

1632