NaK Melt Pressure Transducers and Transmitters

KE SIL2 NAK Sodium Potassium - Output 4...20mA - SIL2

The KE Series are 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, but uses a near incompressible NAK (Sodium Potassium) for pressure transmission. The thick film extensimetric technology of KE series provides to transform the physical quantity “pressure” into an electrical signal, in this case 4 to 20 mA. 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.

• Pressure ranges from: 0-17 to 0-1000 bar / 0-250 to 0-15000 psi
• Accuracy: < ±0.25% FS (H); < ±0.5% FS (M)
• Hydraulic transmission system for pressure signal guarantees stability at working temperature (NaK). Liquid conforming to RoHS Directive.
• SIL2 approvals for Functional Safety
• 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 100bar-1500psi up to 400°C (750°F)
• Stem material: 17-4 PH

K7 SIL2 NAK Sodium Potassium - Voltage Output - SIL2

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.

• 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

K3 NAK - Sodium Potassium - mV/V Output

The K3 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.

Application:

• As for FDA approval,  K series is suitable for Mercury free , food and medical application
• Processing  special polymers, technopolymers (538°C /1000°F)
• Pressure ranges from: 0-35 to 0-1000 bar / 0-500 to 0-15000 psi
• Accuracy < ±0.25% FS (H); < ±0.5% FS (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: K30 series (30mm3) (0.00183 in3), K31-K32-K33 series (40mm3) (0.00244 in3)
• 1/2-20UNF, M18x1.5 standard threads; other types available on request
• 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 100bar-1500psi

ILK NAK - Sodium Potassium - IO-Link Digital Output - SIL2 - PLd

The ILK Performance Level ‘d’/SIL2 series of Gefran are pressure transmitters for using in high temperature environment with digital IO-Link output interface.The constructive principle is based on the hydraulic trasmission of the pressure.This new series ILK with “IO-Link” interface is a Smart device specifically designed to meet the requirements of “Industry 4.0” environment, with auxiliary information suitable to prevent machine downtime and thanks to the “mercury free” solution it can withstand up to 538°C of process temperature.

In addition, with PLd and SIL2 approvals, the ILK series is the best solution for “Functional Safety” applications.

Pressure ranges from:

• 0-17 to 0-1000 bar / 0-250 to 0-15000 psi
• Accuracy: < ±0.25% FS (H); < ±0.5% FS (M)
• 1/2-20UNF, M18x1.5 standard threads
• 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)
• IO-Link digital output, ready for “Industry 4.0”
• Rangeabilty: 3:1
• PLd and SIL2 approvals for Functional safety
• Autozero function
• Auxiliary information over IO-Link protocol

HKE NAK – Sodium Potassium - HART - SIL2 - PLd

The HKE series of Gefran are pressure transmitters with HART communication protocol for using in high temperature environment.The main characteristic of this series is the capability to read temperature of the media up to 538°C. The constructive principle is based on the hydraulic trasmission of the pressure.

The fluid-filled system assures the temperature stability.The physical measure is transformed in a electrical measure by means of strain-gauge technology.

• pressure ranges from: 0-35 to 0-1000 bar / 0-500 to 0-15000 psi
• accuracy: < ±0.25% FS (h); < ±0.5% FS (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: hke0 series (30mm³) [0.00183 in³], hke1, hke2, hke3 (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)
• hastelloy c276 diaphragm for temperatures up to 300°c (570°f)
• 17-7 ph corrugated diaphragm with GTP+ coating for ranges below 100bar-1500psi
• stem material: 17-4 ph

KE NAK – Sodium Potassium - Output 4…20Ma

Overview:

The KE 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.

The uses a near incompressible NAK (Sodium Potassium) for pressure transmission.

NaK is FDA recognized safe (GRAS) substance.

Application:

• As for FDA approval,  K series is suitable for Mercury free , food and medical application
• Processing  special polymers, technopolymers (538°C /1000°F)

Description:

• Pressure ranges from: 0-35 to 0-1000 bar / 0-500 to 0-15000 psi
• Accuracy: < ±0.25% FS (H); < ±0.5% FS (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: KE0 series (30mm3) (0.00183 in3), KE1, KE2, KE3 (40mm3) (0.00244 in3)
• 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 100bar-1500psi

KE PLc NAK – Sodium Potassium - Output 4…20mA - PLc

The KE 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.

• Perfromance Level 'c'
• Pressure ranges from: 0-35 to 0-1000 bar / 0-500 to 0-15000 psi
• Accuracy: < ±0.25% FS (H); < ±0.5% FS (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: KE0 series (30mm³) [0.00183 in³], KE1, KE2, (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)
• Hastelloy C276 diaphragm for temperatures up to 300°C (570°F)
• 17-7 PH corrugated diaphragm with GTP+ coating for ranges below 100bar-1500psi
• Stem material: 17-4 PH

KN NAK - Sodium Potassium - Voltage Output

The KN Series are 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, but uses a near incompressible NAK (Sodium Potassium) for pressure transmission.

The K Series strain sensing technology is bonded foil strain gage.

• Pressure ranges from: 0-35 ato 0-1000 bar / 0-500 to 0-150000 psi
• Accuracy: < ±0.25% FS (H); < ±0.5% FS (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: KN0 series (30mm3) (0.00183 in3) , KN1, KN2, KN3 (40mm3) (0.00244 in3)
• 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)
• 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

K7 PLc NAK - Sodium Potassium - Voltage Output - PLc

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.

• Perfromance Level 'c'
• Pressure ranges from: 0-35 ato 0-1000 bar / 0-500 to 0-150000 psi
• Accuracy: < ±0.25% FS (H); < ±0.5% FS (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

KD DP404 CAN OPEN digital output

The KD 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.

Application:

• As for FDA approval,  K series is suitable for Mercury free , food and medical application
• Processing  special polymers, technopolymers (538°C /1000°F)

Electrical

• Digital output signal with DP404 CAN OPEN communication protocol
• Transmission frequency (Baud rate): 10 Kbaud to 1 Mbaud (default 500 Kbaud)
• Software / Hardware selection of Baud rate and ID nodes
• Operation with 1 or 2 settable alarm limits
• “Autozero” for temperature compensation
• Zero and span drift compensation
• 80% FSO calibration signal
 

Mechanical

• Pressure ranges: 0-35 to 0-700 bar / 0-500 to 0-10000 psi
• Accuracy: < ± 0.25% FS (H); < ±0.5% FS (M)
• Hydraulic transmission system to guarantee temperature stability (NaK). Liquid conforming to RoHS Directive. NaK is defined as a safe substance (GRAS).
• Quantity of NaK contained per model: KD0 series (30mm3) (0.00183 in3), KD1,KD2,KD3 series (40mm3) (0.00244 in3)
• Standard threading: 1/2-20 UNF, M18x1.5; other versions on request.
• 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