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CeramTite™ High Pressure Feedthroughs
CeramTite™ feedthroughs consist of a Nickel plated Alumel pin bonded directly to the threaded bolt using our proprietary glass-ceramic sealing process. These hermetically sealed feedthroughs utilize an O-ring crush seal to make the external pressure seal. The hex bolt side is designed to be the high pressure side of the feedthrough. The temperature rating of the assembly is limited by the O-ring material. Viton® is the standard O-ring material used and this material has a high end temperature capability of 205 ºC.
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CeramTite™ Pressure Feedthroughs

1 Pin CeramTite™ Pressure Feedthrough
2 Pin CeramTite™ Pressure Feedthrough (50040-01-A)

2 Pin CeramTite™ Pressure Feedthrough
3 Pin CeramTite™ Pressure Feedthrough (50041-01-A)

3 Pin CeramTite™ Pressure Feedthrough
Description N/A CeramTite™ High Pressure Feedthroughs
CeramTite™ feedthroughs consist of a Nickel plated Alumel pin bonded directly to the threaded bolt using our proprietary glass-ceramic sealing process. These hermetically sealed feedthroughs utilize an O-ring crush seal to make the external pressure seal. The hex bolt side is designed to be the high pressure side of the feedthrough. The temperature rating of the assembly is limited by the O-ring material. Viton® is the standard O-ring material used and this material has a high end temperature capability of 205 ºC.
Finish N/A Nickel Plated
Direct Current (DC) Voltage Rating N/A 500 V
Conductor Current Rating Per Pin N/A 4 A
Temperature Range N/A -269 to 450 ºC
Temperature Range for Viton® O-ring N/A -25 to 205 ºC
Pressure at 20 Degree Celsius (ºC) Temperature N/A 25000 psig1724 bar N/A 20000 psig1379 bar N/A 20000 psig1379 bar
Number of Pins N/A 1 N/A 2 N/A 3
Hexagon Size N/A 5/16 in N/A 9/16 in N/A 9/16 in
Thread Size N/A 10-32 in N/A 3/8-24 in N/A 3/8-24 in
Body Material N/A 316 Stainless Steel
O-Ring Material N/A Viton®
Pin Material N/A Alumel
Insulation Material N/A Alumina Ceramic Glass-Ceramic
Magnetic Material N/A true
Additional Information N/A CeramTite™ feedthroughs are typically used for low power or instrumentation applications in pressure vessels or oil systems. 100% of CeramTec’s Ceramaseal® products are helium leak tested to meet or exceed 10-10 atm-cc/sec (He). Custom bolt sizes, pin configurations or sizes are available upon request.
Extreme/Custom Design N/A
  • Different fittings: cone and thread, NPT, straight thread and weld designs
  • Internal pressures from 1 x 10-10 torr to 40,000 psig
  • Instrumentation, multipin connector, coaxial, and thermocouple units are available
  • Precious metal braze alloys
Applications N/A A few of the many applications in which these pressure feedthroughs are commonly used are:
  • Undersea communications
  • Geothermal energy exploration
  • Power generation
  • Furnaces
New Products N/A
  • Power Plug feedthroughs mounted in NPT fittings
  • CeramTite™ glass-ceramic sealed high pressure feedthroughs
  • Tec-Seal™ high pressure feedthroughs
Accessories N/A Part Number - 16167-03-A
Description - Accepts wire up to 0.040 [1.0]
Material - Copper Alloy - Gold Flash
Type - 0.040 Crimp Contacts

Part Number - 2840-05
Description - For 0.025" - 0.075" Crimp Diameters
Type - Crimp Tool
Features N/A Accelerators Cryogenics Fusion High Current High Energy Physics High Temperature High Voltage Laser Technology Microwave Nuclear Photovoltaic Semiconductor Equipment Superconductivity Ultra-High Vacuum