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The K7 Series are for use in high temperature applications where the process temperatures may reach 538°C (1000°F) such as high temperature engineered polymers. This series utilizes standard melt pressure principles and construction, but uses a near incompressible (NAK Sodium Potassium) for pressure transmission. The phisical quantity is transformed in a electrical measure by means the thick film strain-gauge technology. The SIL2 certified version makes the product suitable for use in the Functional Safety applications, particularly in the process plants for the production of polymers, where it is an essential requirement.

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  • Pressure ranges from: 0-17 to 0-1000 bar / 0-250 to 0-15000 psi
  • Accuracy: < ±0.25% FS (H); < ±0.5% FS (M)
  • SIL2 approvals for Functional Safety
  • Hydraulic transmission system for pressure signal guarantees stability at working temperature (NaK). Liquid conforming to RoHS Directive.
  • 1/2-20UNF, M18x1.5 standard threads; other types available on request
  • Autozero function on board / external option
  • Stem drift Autocompensation function (SP version)
  • 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)
  • Hastelloy C276 diaphragm for temperatures up to 300°C (570°F)
  • 17-7 PH corrugated diaphragm with GTP+ coating for ranges below 100 bar-1500 psi up to 400°C (750°F)
  • Material of stem 17-4PH

Downloads for K7 SIL2

  • 4.0 Gefran product catalog

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  • 4.0 plastic application catalogue

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  • EU Conformity declaration K series FS min 500bar SIL 2

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  • EU Conformity declaration K series FS over 500bar SIL 2

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  • Melt SIL2 Certification

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