Explain Difference between Bech set and operating range of
control valve
Answer Posted / rakesh kumar.n be
if u do the adjustment in the string at the actuator, or
compress the spring, u will get the opposing force to move the
stem in the control valve that is called bech set .it depents
on the control valve. mostly foe small valve we use 3-15 psi
and for medium we use 6-30 psi .thanks
| Is This Answer Correct ? | 3 Yes | 0 No |
Post New Answer View All Answers
what are the documents(Construction point of view for a process plant) submitted by contactor initially entering in to new site for client?
Definition of reverse and acting controllers:
Drum level tx with GP4 with zero elevation:7300mmh20 on HP and 8050mmh2o on LP as range but on commissioning the tx readiing is max,Why this reading?
Explain the working of an electronic level troll.
how to turbine speed measurement?
What is mean by analytical instrumentation?
what is the responsibility of an instrument commissioning supervisor
HOW CREATED LP & HP PRESURES IN DRUM FOR DRUM LEVEL MEASUREMENT!
what is the working principal of pribe
Why use ball valves on Gas pipelines instead of gate & or globe valves...means basic diffrence or use of these valves..how designers knows this type of valve with rating is required...
hi sir yhis is zahid ali i am preparing for the jspl at oct.4.please send me the recently updated sample paper.
What is surge and how is it prevented, what is the purpose of bypass valve across AS valve.
PT RTD Range: -200 to 500 degree celsius If I configured in DCS Lower range and Upper range . In face plate it shows red colour due to overa range how was the characteristics look If the temperature is more than operating range. how was the characteristics look . whether its in Resistance vs Temperature curve is Linear or Non linear
I am manjunath having exp in maintenance of chemical plants,know i want to do a design course INTOOLS,after doing design course can we get jobs in design field.sinve i dont have design exp..
There are two chlorination tonners both are connected to two pressure swithes and the pressure switch is connected to SOV which operates the valve to changeover the tonner selection i.e if pressure one tonner goes low the other tonner should come in line if it is inautomatic selection design a circuit using relays ?