Kearflex Engineering is the industry leader when it comes to diaphragm based pressure sensing solutions. Our 50 years of experience provides a unique perspective that combines time-tested and contemporary insight into sensor integration on a variety of unique applications. From single metallic diaphragms to complex system monitoring solutions, we can custom design and manufacture exactly what you need for your specific application.
Switches, air data interface, isolation diaphragms for transducers as well as industrial and aerospace Delta P measurement requirements are using Kearflex technology to provide reliable mechanical output in supporting their product needs. Our corporate and manufacture facility is safe, clean and ergonomic. Our engineering staff has a rich history of problem solving and integration expertise available for every need.
Kearflex is a responsible and sustainable partner on many critical programs and remains a sole source and designated self-release vendor from some of the world's largest and most well-respected companies in the aerospace field.
Switches, air data interface, isolation diaphragms for transducers as well as industrial and aerospace Delta P measurement requirements are using Kearflex technology to provide reliable mechanical output in supporting their product needs. Our corporate and manufacture facility is safe, clean and ergonomic. Our engineering staff has a rich history of problem solving and integration expertise available for every need.
Kearflex is a responsible and sustainable partner on many critical programs and remains a sole source and designated self-release vendor from some of the world's largest and most well-respected companies in the aerospace field.
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This instrument uses an aneroid capsule assembly to measure the atmospheric pressure outside of an aircraft.
The pressure at a given altitude is a function of the air supported above that point where the force is caused by gravity.
As the column of air is taller closer to earth, there is more pressure.
However, this is not a linear progression due to the fact that air is compressible.
The Altitude Pressure Chart provides a visual representation of what the instrument must be calibrated to measure.
The pressure at a given altitude is a function of the air supported above that point where the force is caused by gravity.
As the column of air is taller closer to earth, there is more pressure.
However, this is not a linear progression due to the fact that air is compressible.
The Altitude Pressure Chart provides a visual representation of what the instrument must be calibrated to measure.
The aneroid capsule assembly has a deep vacuum trapped inside, and measures the difference between the atmosphere outside of the assembly and this nearly perfect vacuum.
The internal vacuum is constant and provides the reference pressure that the capsule uses to measure altitude.
Note the collapsed condition of the altitude capsule compared to the airspeed capsule.
The atmospheric pressure is pressing on the assembly which has an internal vacuum.
Increasing altitude up to the near vacuum at 40,000 feet, the capsule will expand to nearly the same profile as the airspeed assembly.
The internal vacuum is constant and provides the reference pressure that the capsule uses to measure altitude.
Note the collapsed condition of the altitude capsule compared to the airspeed capsule.
The atmospheric pressure is pressing on the assembly which has an internal vacuum.
Increasing altitude up to the near vacuum at 40,000 feet, the capsule will expand to nearly the same profile as the airspeed assembly.
Kearflex manufactures complex assemblies that are based upon our capsule sub-assemblies.
These are sold to our customers to allow efficient installation in the next level assembly.
Advantages to this approach are a "turn-key" product where the capsule related problems are solved and specialty manufacturing is performed.
Customers can use these assemblies on a ship to stock basis with confidence that each unit is calibrated and interchangeable.
Inspection and test activities, process fallout and specialty manufacturing efforts are all reduced.
These are sold to our customers to allow efficient installation in the next level assembly.
Advantages to this approach are a "turn-key" product where the capsule related problems are solved and specialty manufacturing is performed.
Customers can use these assemblies on a ship to stock basis with confidence that each unit is calibrated and interchangeable.
Inspection and test activities, process fallout and specialty manufacturing efforts are all reduced.
Kearflex incorporates our diaphragms and capsule assemblies into altitude switches.
In the altitude switch, the sensing element has a permanent vacuum trapped inside to allow the switch to respond to atmospheric pressure.
Kearflex integrates our diaphragms and capsule assemblies into airspeed switches.
In the airspeed switch, the sensing element applies pressure to both sides allowing measurement of the pitot and static pressure signal.
Kearflex designs our diaphragms and capsule assemblies into absolute pressure (Psia) switches.
In the altitude switch, the sensing element has a permanent vacuum trapped inside to allow the switch to respond to atmospheric pressure.
Kearflex integrates our diaphragms and capsule assemblies into airspeed switches.
In the airspeed switch, the sensing element applies pressure to both sides allowing measurement of the pitot and static pressure signal.
Kearflex designs our diaphragms and capsule assemblies into absolute pressure (Psia) switches.
Mechanical movements amplify the displacement of the diaphragm to turn a pointer providing pressure indication.
Using the small 1.125 inch diameter diaphragm, this mechanical gauge can be calibrated in ranges from 10 Psi to 400 Psi.
A range of diaphragms is used providing the same deflection at the specified full scale pressure.
This allows the mechanical movement and all other parts except the faceplate to be common for all ranges.
Using the small 1.125 inch diameter diaphragm, this mechanical gauge can be calibrated in ranges from 10 Psi to 400 Psi.
A range of diaphragms is used providing the same deflection at the specified full scale pressure.
This allows the mechanical movement and all other parts except the faceplate to be common for all ranges.
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