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Melt Pressure Sensors (NaK filled) - Gefran K Series

Gefran is the worlds largest suppliers of extrusion pressure transducers and transmitters for OEM machine supply, and replacement. Their products are compatible in all ways with Dynisco, and they offer a a wide variety of configurations and diaphragm materials. In addition Gefran has released some new technologies, such as this NaK series which suit ultra high temperatures and are the natural replacement for Mercury filled sensors. Should you have an operational issue, please contact us for advice. ECEFast now supplies standard double thickness diaphragms for extended life.

Mercury has been banned for use in sensors in plastic packaging  in Europe from 2018


  • Ranges from 30 to 1000 bar-- temperatures to 400C with standard diaphragm
  • Low temperature induced drift (optional autocompensation on analog outputs)
  • NaK is defined as a safe substance (GRAS)
  • Accuracy 0.25% or 0.5%(standard)
  • Outputs 3.3 mV/V or 4-20mA (KE series) - Magnetic switch "zero" on KE types
  • Inconel 718 diaphragm GTP coating to 538C
  • 1/2 20 UNF or M18x1.5 standard process connection
  • Standard 6 PIN bendix connector - cable not included
  • 32xx series is standard with J thermocouple -- K is optional at no charge
Part No. Description Qty Availability Price
GF-K32-6MP10M14 NaK filled Extrusion sensor Flexible stem 10000psi with J Thermocouple- add cable Not Available For Online Purchase, please contact one of our sales offices.
GF-C08W Cable for Gefran extrusion sensors 6 pin connector 8M length Stock Available $192.00
GF-K30-6MP10M14 NaK filled Extrusion sensor rigid stem 10000psi - add cable Stock Available $1,700.00
GF-K31-6MP10M14 NaK filled Extrusion sensor Flexible stem 10000psi - add cable Stock Available $1,800.00

Additional Information

Background Infromation on NaK series and special a 813 KB Download PDF
Sensor & Diaphragm Selection Guide for Application 32 KB Download PDF
Gefran KE series data sheet for mA output 104 KB Download PDF
Data Sheet K3 series with mV output 90 KB Download PDF

Additional Information

There are no manuals currently available for this product..