how many type of control valve?

Answer Posted / muhammad sanaullah

sanders patent valve , Butterfly valve , Three way valve , Two way valve , Angle body valve , Needle valve , V-port valve , Double seated valve .

Is This Answer Correct ?    1 Yes 0 No



Post New Answer       View All Answers


Please Help Members By Posting Answers For Below Questions

(1) In turbine, what does term CDP, NI, NH, HSSOC, means. (2) What is the purpose of LO overhead tank in turbines.(3) An equipment is certified for EEX, IA, IIC,T6, what do you under stand by this.(4) what is SURGE, and how it is prevented, what is the purpose of bypass valve across AS valve.(5) Give 2 application of quartz crystal used for process parameter measurement.(6) what is meant by cold float of compressor shaft. (7) state four different types of flow measurement. For gas flow measurement mmscfd is the common unit. Expand the unit and specify significance of word S in the unit.(8) what is meant by Gap voltage, in vibration measurement. Normally how much Gap voltage is set and state the reason.(9) what will the new flow factor if D/P transmitter is Re-Ranged from 25” wc to 50” wc.(10) what is the usage of QDV & Volume booster.

3441


Explain the mechanism behind the turbine meter.

690


What is sensitivity in vibration probes..?

1034


What is critcal speed. what is resonant frequency. why we want to cross crtcal speed on higher RPM (early).

1675


What is exact difference between the panel earthing and system earthing in DCS system. What is the value of resistence.

2157






What is Span Error

207


POSSITIVE PULSE IS APPLIED TO AN INVERTER INPUT.THE TIME FROM THE LEADING EDGE OF THE INPUT TO THE LEADING EDGE OF THE OUTPUT IS 10 ns. THE TIME FROM THE TRAILING EDGE OF THE INPUT TO THE TRYLING EDGE OF THE OUTPUT IS 8 ns. WHAT ARE THE VALUES OF tPLH and tPHL?

1757


How can measure flow in oil line?which type of transmitter is generally used?

3541


what is diffrance between FF & SMART, explain with difination

2691


what is instrument philosophy

1747


To become an Instrument DESIGN engineer, is there any softwares or training to become Instrument Design engineer, plz suggest me, Iam very much interested in designing.

2970


Explain pH, Conductivity.

1696


what is temperature compensation?

4781


How to calibrate smoke Dectector

1128


how many type of plug are used in pneumatic control valve,name them.

4354