Gefran K7: NaK Melt Pressure Transmitter, Performance Level 'c'
Gefran K7: NaK Melt Pressure Transmitter, Performance Level 'c'
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K7 NaK filled Melt pressure transmitters Performance Level 'c'

  • Performance Level 'c'
  • Pressure ranges from:
    0-35 ato 0-1000 bar / 0-500 to 0-150000 psiA
  • Accuracy: < ±0.25% FSO (H); < ±0.5% FSO (M)
  • Hydraulic transmission system for pressure signal guarantees stability at working temperature (NaK).
    Liquid conforming to RoHS Directive. NaK is defined as a safe substance (GRAS).
  • Quantity of NaK contained per model: K70 series (30mm³) [0.00183 in³], K71, K72 (40mm³) [0.00244 in³]
  • 1/2-20UNF, M18x1.5 standard threads; other types available on request
  • Autozero function on board / external option
  • Inconel 718 diaphragm with GTP coating for temperatures up to 538°C (1000°F)
  • 15-5 PH diaphragm with GTP coating for temperatures up to 400°C (750°F)
  • HastelloyC276 diaphragm for temperatures up to 300°C (570°F)
  • 17-7 PH corrugated diaphragm with GTP coating for ranges below 100 bar-1500 psi
  • Material of stem 17-4PH
Custom Product Options
Pick your custom options from the list below and click "Add To List".
*M18x1.5 (not available with membrane in Inconel)
*available on request
* max temperature
*as an alternative to the CAL function

The K7 Performance Level 'c' Series are pressure sensors  for use in high temperature applications where the process temperatures may reach 538°C (1000°F) such as high temperature engineered polymers.

The K Series utilizes standard melt pressure principles and construction; strain sensing technology is bonded foil strain gage. A near incompressible sodium-potassium (i.e. NaK) mixture is used for pressure transmission. NaK is FDA recognized safe (GRAS) substance.

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