Controlair Type Transducer
Marsh Bellofram Type Transducer
Fairchild Type Transducer
Flowserve Type Transducer
EPC Type TransducerHow These Instruments Work And How To Select Them
Eight guides covering the force balance principle, the nozzle and baffle mechanism, selection against an actuator spring, calibration procedure and the feature sets of each pattern.
How An Electro Pneumatic Transducer Works
The force balance principle behind an I/P transducer: coil, lever, baffle, nozzle, power amplifier and feedback bellows, and why 4-20 mA becomes 20-100 kPa.
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PRODUCT GUIDEPrinciple And Composition Of An I/P Transducer
Nozzle baffle mechanism and pneumatic power amplifier explained: how an electrical signal becomes a physical displacement and then a controlled air pressure.
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INDUSTRY ARTICLEThe Role Of An Electro Pneumatic Transducer In A Control Loop
Why a pneumatic control valve needs a conversion instrument at all, and where the transducer sits between the control room and the final element.
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BUYING GUIDESelecting An Electro Pneumatic Converter For A Control Valve
Why the valve spring range decides the converter, and why the air supply has to be conditioned at the instrument inlet.
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MAINTENANCE GUIDECalibrating An Electro Pneumatic Converter
The instruments needed, the connections to make, and the zero, span, linearity and dead band checks, as EAA publishes them.
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PRODUCT GUIDEFeatures Of An Electro Pneumatic Transducer
The eight characteristics EAA publishes for its direct-acting transducers, including explosion protection grades and construction details.
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PRODUCT GUIDEFeatures Of The EPC Electro Pneumatic Converter
What distinguishes the EPC pattern: direct action, a power amplifying relay, on-site action reversal and selectable output bands.
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COMPARISON ARTICLEEPC Series Electro Pneumatic Converter Overview
What the EPC series is for, how it pairs with a pneumatic positioner, and where it sits against the imported patterns.
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Ask An Engineer Instead Of Reading
If the answer is not in these guides, send the loop details and we will answer directly.