How to get Cv of control valve having following parameter
,i.e inlet pressure 4.5kg/cm2
outlet pressure 1 kg/cm2
specific gravity 0.808
Answers were Sorted based on User's Feedback
Answer / mohammad iftikhar
firstly u need to convert the following parametrs
1- conver inlet pressure into PSIG, your outlet pressure
2- you need to know what is your temperature max & min
3- you must know your flow rate
4- diffrential pressure
5- nominal pize size
6- sizing for ....mean for which fluid
| Is This Answer Correct ? | 1 Yes | 2 No |
Answer / marankrapu
Roughly the Cv is Flow rate (q) divided by square root of
Delta P over fluid sg
| Is This Answer Correct ? | 0 Yes | 1 No |
Answer / abhiic2008
please provide the calculation form for this
| Is This Answer Correct ? | 1 Yes | 5 No |
what is the usage of QDV & VOLUME BOOSTER.
What is procedure on mmwc in to tph
Which type of pressure can be measured by these elements?
which is the best type to measure level of a Tank(water). Displacer or Differential Pressure method?
please tell me five types of fault of control valve and positioners?please
Q- Control problem are mainly classified in _____ types. a-)4 b-)3 c-)6 d-)nono of these Few of them i know is 1- regulator type problem (eg- Air conditioner) 2- tracking problem (eg missile trcking problem) 3- sybernatics 4- optimal control problem
1 bar is equal to how many pound per square inch(psi)?
in any transimitter (flow/level) there are three terminals for supply& test (+,-,+)in two wire,24VDC given to Tx.,but how 4-20 ma signal travels thru same wire (as it is for 24VDC input supply)?
What is the difference between HMI and Scada?
use of split range ? where it is used ? in which control loop it is used ?
what is a device net.
Tyes of interface level measurement and how to use that technique for interface level measurement,
Civil Engineering (5086)
Mechanical Engineering (4456)
Electrical Engineering (16639)
Electronics Communications (3918)
Chemical Engineering (1095)
Aeronautical Engineering (239)
Bio Engineering (96)
Metallurgy (361)
Industrial Engineering (259)
Instrumentation (3014)
Automobile Engineering (332)
Mechatronics Engineering (97)
Marine Engineering (124)
Power Plant Engineering (172)
Textile Engineering (575)
Production Engineering (25)
Satellite Systems Engineering (106)
Engineering AllOther (1379)