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Vacuum & Pressure Plate Feedthroughs for Sealing Wire & Cable

Vacuum/Pressure Feedthroughs, Hermetic Face Seal



Volume discounts available
Volume Discount Schedule
Quantity Price each
1-9 $1,020.40
10-24 $969.38
25-49 $948.97
50-99 $908.16
100+ $887.75

In stock

Lead Time (If not in stock): 8 weeks
Vacuum/Pressure Feedthroughs, Hermetic Face Seal PFTFS-8CU PFTFS-8CU
  • 2000 psi Pressure Rating
  • 10-8 Torr Vacuum Rating
  • Copper and Thermocouple Wire
  • 8 Wire Pairs for 8 Thermocouples

PFTFS-8CU Model Options

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Wire Type
Ferrule Material
Number of Wires

Material: 300 series SS; nitrile O-ring
Maximum Pressure: 2000 psi
Leak Rates, Pressure: 1 x 10-6 cc air/s at 2000 psi; 1 X 10-7 cc air/s at 29 inHg vacuum
Vacuum Limit: 1 x 10-8 Torr
Leak Rates, Vacuum: 1 x 10-8 cc He/s at 15 psi; 1 X 10-8 cc He/s at 10-8 Torr
Temperature Limits: -40 to 250°F (-40 to 120°C)
Out Gassing: < 0.003% VCM; < 0.34% weight loss; sample at 125°C, surface at 25°C
Wire: 20 AWG solid with PFA insulation; 48 inL, -200 to 200°C rating

NOTE: The Face Seal is the High Pressure Side, the tightening nut is the low pressure side. Contact our Pressure Engineering Department for any questions about installation
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Is the this a fine thread (UNF) fitting?

Asked by: joe b
Yes, This is a UNF thread.
Answered by: Pressure Engineer JK
Date published: 2022-11-03

What is the temperature rating of the potting used around the wires.

Asked by: Steve1216
Thank you for your inquiry. The integrity of the seal is limited to 120C.
Answered by: NorwalkAE_SP
Date published: 2024-05-23

do you sell a crimp or tool to attach the 2 different wire types of the type k thermocouple wire to make a good junction that will be reliable connection going hot and cold and condensation? Or do you provide a service to spot weld the ends together?

Asked by: Tom C
Hi Tom C, Thank you for the inquiry. We do not offer tool for making junction other then our welder. We do not offer welded option. Suggested method of termination and use is to use a terminal block or connector to mate to a pre welded wire or probe style TC. Best regards OMEGA
Answered by: NorwalkAE_RS
Date published: 2022-03-25

Can this connector be used above 120C if there's no pressure? what limits the temp rating if wires are good for 200C?

Asked by: Mark Marcos
The integrity of the seal is limited to 120C but if your not concerned about leaking in Vacuum or Pressure it should be able to be used above 120C. Omega would not guarantee the product used outside the specified temperature range.
Answered by: ApplicationsEngineerANB
Date published: 2024-04-30

on the PFTFS-8J feedthrough - could you please tell me what the recommended hole size is for the mating part?

Asked by: joe b
Hole size should be 1.062&quot;
Answered by: Pressure Engineer JK
Date published: 2022-11-03
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