
VACUUM/PRESSURE FEEDTHROUGHS
NPT FITTINGS, PLUG OR COUPLE MODELS
½ NPT Plug
½ NPT Couple
PFT2 Series
U Copper and
Thermocouple Wire
U 1-, 2-, and 4-Wire Pairs
U PTFE Insulated Wire
-8
U 10
U Each Unit Tested for
SPECIFICATIONS
Material: Brass
Maximum Pressure: 120 psi (8 bar)
Leak Rates, Pressure: 1 x 10
air/s at 120 psi; 1 x 10-7 cc air/s at
29 inHg vacuum
Vacuum Limit: 1 x 10
Leak Rates, Vacuum: 1 x 10
at 15 psi; 1 x 10
Temperature Limits: -40 to 120°C
(-40 to 250°F)
Out Gassing: <0.003% VCM; <0.34%
weight loss; sample at 125°C, cold
surface at 25°C
T/C Wire: 20 AWG solid with PTFE
insulation; 48 inL, -200 to 200°C rating
Copper wire: 20 AWG stranded with
PTFE
torr/120 psi
(8 bar) Rating
Reliability
-11
cc He/s at 10-8 torr
insulation, 600V rating
-6
cc
-8
torr
-8
cc He/s
PFT2NPT-2K, 1⁄2 NPT plug,
shown actual size.
1
PFT2CPL-4K,
couple, shown actual size.
⁄2 NPT
CHEMICAL EXPOSURE
Compatible: Oils, solvents, refrigerants,
water, non-corrosive gases
Avoid: Strong acids and bases
Dimensions: mm (inch)
MODEL NO. AREA THREAD HEX LENGTH
PFT2NPT
PFT2CPL
4.8 (0.189)
4.8 (0.189)
1
⁄2 NPT 22.4 (0.88) 27.7 (1.09)
1
⁄2 NPT 22.4 (0.88) 48.0 (1.89)
To Order
MODEL NO. WIRE NO. OF PAIRS DESCRIPTION
PFT2NPT-1CU
PFT2NPT-2CU
PFT2NPT-4CU
PFT2NPT-1(
PFT2NPT-2(
PFT2NPT-4(
PFT2CPL-1CU
PFT2CPL-2CU
PFT2CPL-4CU
PFT2CPL-1(
PFT2CPL-2(
PFT2CPL-4(
Specify thermocouple type: J, K, T, or E.
*
Ordering Example: PFT2CPL-4K, hermetic feedthrough,
for 4 Type K thermocouple wire pairs.
*)
*)
*)
*)
*)
*)
Cu
T/C
Cu
T/C
1
2
4
1
2
4
1
2
4
1
2
4
1
NPT couple design,
⁄
2
1
NPT plug
⁄
2
1
NPT plug
⁄
2
1
NPT couple
⁄
2
1
NPT couple
⁄
2
ACCESSORIES
C
C-22