Answer / vijayaprakash

at first u know what is temperature and what is controller

here, to see simple controller automatic iron box

one heater element and thermostat are used. when the
temperature raises thermostat controls the supply of the
heater. it is called on off controller

Answer / akhil.goyalanager1985

space heater

Answer / ernesto

AC, refrigerator

what is the difference between E/P positioner and I/P positioner in control valve , in which application the respective positioner are used in.

1 Answers   ABB,

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i have calibrate rosemount make level transmitter , wht can i do ? my tank capacity is 30,000 liter

9 Answers   Equate,

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If we increase only P what will be controller action ?

0 Answers   IMECO,

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CONTROL VALVE OPERATING IN MANUAL BUT NOT IN MANUAL. WHAT SHOULD BE THE PROBLEM ?

0 Answers   GSC,

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I want to use 1/2 inch SS316 tube in my high pressure & temperature (64 kg/cm2 & 500 deg C)after condensate pot in pressure tranmistter. 1) Is it possible to use 1/2" ss316 tube in high pressure and temperature line. Tube manufacturer is local vendor. 2)On sarting the plant, We need to do system fluse that time condesate is not in the condesate pot so steam is directly contact with the tube. We have no exact calculation to know our tube is ok or nor at this time. pleae,reply.

1 Answers  

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my temperature transmitter in field showing 700 degree , whereas in dcs showing 459 degree, how to resolve this?

4 Answers   ONGC,

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why we use 0.2 to 1.0 kg/cm2 output in control valve

4 Answers   GNFC,

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what is the calibration procedure for transweigh make weigh feeder?

0 Answers   Anjani Cements,

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Sitrans LR460 Radar level transmitter getting level out or disturbed level during moisture present in the material ie coal in the pccb bunker in CHP.Any suggestions for this problem...????

1 Answers   ABG Shipyard,

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Why do we floating DC in DC system.

0 Answers  

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how can loop single 4-20 ma to two isolation amplifier? i mean i have two isolation amplifier with 4-20 ma input and 1-5 v output.can i done series connection ?

1 Answers  

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whats the reason for control valve not installed -90degree (down position)

1 Answers  

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