Page 1
Multiconductor Feedthroughs
Compression Type for High-Temperature Sealing
U Pressure or Vacuum
Applications
U Seals Multiple Thermocouples
and Protection Tubes
U Available in Both NPT and ISO
T/BPST Mounting Threads
U Up to 16 Probes in 1 Fitting
U Blank Sealing Plugs Included
U 3 to 16 Probes
U 416 SS Body and Cap
U 316 SS Ferrules Standard
U PTFE Ferrules Available
U OMEGALOK
Standard
U 1 to 6 mm (0.040 to
Probe Diameters
These all-new multiconductor
feedthroughs are designed for
applications that require several sensors
to pass through a wall or bulkhead at
one opening or within a small area.
Heavy-duty 416 SS construction allows
use of this fitting in high-pressure or
®
Ferrules
1
⁄4")
MFT Series
vacuum applications. Probes between
0.040" and
in these feedthroughs. The maximum
number of probes per feedthrough is
3 for 1⁄4" Dia. probes, 5 for 3⁄16" Dia.,
8 for 1⁄8" Dia., 16 for 1⁄16" Dia., and
16 for 0.040" Dia. probes.
All multiconductor feedthroughs come
standard with stainless steel ferrules.
A stainless steel ferrule deforms and
1
⁄4" in diameter can be used
Cap
Housing
Optional Male
Threaded Cap
(See Next Page)
becomes permanent. If the probes have
to be installed several times at different
depths in the feedthrough, PTFE ferrules
should be used. PTFE ferrules will not
deform the probe sheath, which allows
the same probe to be reused. The
ferrules used in the feedthroughs are
identical to the ferrules used in standard
OMEGALOK
®
compression fittings.
Standard
To Order
Sheath Model Diameter of Number of Thread Length (inch) Across Flats (inch)
Diameter (inch) Number Probe (inch) Probes NPT L1 L2* Housing Cap
MFT-040-3 0.040 3
MFT-040-5 0.040 5
MFT-040-6 0.040 6
0.040 MFT-040-8 0.040 8
MFT-040-10 0.040 10
MFT-040-12 0.040 12
MFT-040-16 0.040 16
MFT-116-3 0.062 3
MFT-116-5 0.062 5
MFT-116-6 0.062 6
1
⁄
16 MFT-116-8 0.062 8
MFT-116-10 0.062 10
MFT-116-12 0.062 12
MFT-116-16 0.062 16
MFT-18-3 0.125 3
MFT-18-6 0.125 6
MFT-18-4 0.125 4
1
⁄
8
MFT-18-8 0.125 8
MFT-316-5 0.188 5
MFT-316-3 0.188 3
3
⁄
16
1
⁄
4 MFT-14-3 0.250 3
Ordering Example: MFT-116-6, multiconductor feedthrough.
1
⁄
4 2 2
1
⁄
4 2 2
1
⁄
2 2
1
⁄
2 2
3
⁄
4 2
3
⁄
4 2
3
⁄
4 2
1
⁄
4 2 2
1
⁄
4 2 2
1
⁄
2 2
1
⁄
2 2
3
⁄
4 2
3
⁄
4 2
3
⁄
4 2
1
⁄
2 2
1
⁄
2 2
3
⁄
4 2
3
⁄
4 2
1
⁄
2 2
3
⁄
4 2
3
⁄
4 2
5
⁄
8 3
5
⁄
8 3
13
⁄
16 3
13
⁄
16 3
13
⁄
16 3
5
⁄
8 3
5
⁄
8 3
13
⁄
16 3
13
⁄
16 3
13
⁄
16 3
5
⁄
8 3
5
⁄
8 3
13
⁄
16 3
13
⁄
16 3
5
⁄
8 3
13
⁄
16 3
13
⁄
16 3
1
⁄
2
1
⁄
2
3
⁄
8 1
3
⁄
8 1
1
⁄
2 1
1
⁄
2 1
1
⁄
2 1
1
⁄
2
1
⁄
2
3
⁄
8 1
3
⁄
8 1
1
⁄
2 1
1
⁄
2 1
1
⁄
2 1
3
⁄
8 1
3
⁄
8 1
1
⁄
2 1
1
⁄
2 1
3
⁄
8 1
1
⁄
2 1
1
⁄
2 1
3
⁄
4
3
⁄
4
1
⁄
8 1
1
⁄
8 1
1
⁄
4 1
1
⁄
4 1
1
⁄
4 1
3
⁄
4
3
⁄
4
1
⁄
8 1
1
⁄
8 1
1
⁄
4 1
1
⁄
4 1
1
⁄
4 1
1
⁄
8 1
1
⁄
8 1
1
⁄
4 1
1
⁄
4 1
1
⁄
8 1
1
⁄
4 1
1
⁄
4 1
7
⁄
8
7
⁄
8
3
⁄
8
3
⁄
8
1
⁄
2
1
⁄
2
1
⁄
2
7
⁄
8
7
⁄
8
3
⁄
8
3
⁄
8
1
⁄
2
1
⁄
2
1
⁄
2
3
⁄
8
3
⁄
8
1
⁄
2
1
⁄
2
3
⁄
8
1
⁄
2
1
⁄
2
G-59
Page 2
Metric
To Order
Sheath Model Diameter of Number of Thread Length (mm) Across Flats (mm)
Diameter (mm) Number Probe (mm) Probes ISO T/ BPST L1 L2* Housing Cap
MFT-M10-3 1.0 3
MFT-M10-5 1.0 5
MFT-M10-6 1.0 6
1.0 MFT-M10-8 1.0 8
MFT-M10-10 1.0 10
MFT-M10-12 1.0 12
MFT-M10-16 1.0 16
MFT-M15-3 1.5 3
MFT-M15-5 1.5 5
MFT-M15-6 1.5 6
1.5 MFT-M15-8 1.5 8
MFT-M15-15 1.5 10
MFT-M15-12 1.5 12
MFT-M15-16 1.5 16
MFT-M30-3 3.0 3
MFT-M30-4 3.0 4
3.0
MFT-M30-6 3.0 6
MFT-M30-8 3.0 8
MFT-M45-5 4.5 5
MFT-M45-3 4.5 3
4.5
6.0 MFT-M60-3 6.0 3
1
⁄4" 50.8 63.5 19.1 22.2
1
⁄4" 50.8 63.5 19.1 22.2
1
⁄2" 66.7 85.7 28.6 34.9
1
⁄2" 66.7 85.7 28.6 34.9
3
⁄4" 71.4 88.9 31.8 38.1
3
⁄4" 71.4 88.9 31.8 38.1
3
⁄4" 71.4 88.9 31.8 38.1
1
⁄4" 50.8 63.5 19.1 22.2
1
⁄4" 50.8 63.5 19.1 22.2
1
⁄2" 66.7 85.7 28.6 34.9
1
⁄2" 66.7 85.7 28.6 34.9
3
⁄4" 71.4 88.9 31.8 38.1
3
⁄4" 71.4 88.9 31.8 38.1
3
⁄4" 71.4 88.9 31.8 38.1
1
⁄2" 66.7 85.7 28.6 34.9
1
⁄2" 66.7 85.7 28.6 34.9
3
⁄4" 71.4 88.9 31.8 38.1
3
⁄4" 71.4 88.9 31.8 38.1
1
⁄2" 66.7 85.7 28.6 34.9
3
⁄4" 71.4 88.9 31.8 38.1
3
⁄4" 71.4 88.9 31.8 38.1
With optional male threaded cap.
*
G
L2
L1
Optional male threaded cap may
Standard cap supplied with all units
Replacement Ferrules—Standard
Dia. Model
Material (inch) Number
PTFE
0.040 SS-FER-040
316 SS
Note: All fittings are supplied with stainless steel ferrules. If PTFE ferrules are required,
add suffix “-PTFE” to the model number shown. Add additional cost per ferrule.
One ferrule needed for each conductor.
Ordering Example: MFT-M10-16, metric multiconductor feedthrough.
0.040 T-FER-040
1
⁄16 T-FER-1/16
1
⁄8 T-FER-1/ 8
3
⁄16 T-FER-3/16
1
⁄4 T-FER -1/4
1
⁄16 SS - FER-1/16
1
⁄8 SS - FER -1/ 8
3
⁄16 SS-FER- 3 /16
1
⁄4 SS-FER-1/4
Replacement Ferrules—Metric
Dia. Model
Material (mm) Number
PTFE
316 SS
be ordered separately
1.0
T-FER-M10
1.5
T-FER-M15
3.0
T-FER-M30
4.5
T-FER-M45
6.0
T-FER-M60
1.0
SS-FER-M10
1.5
SS-FER-M15
3.0
SS-FER-M30
4.5
SS-FER-M45
6.0
SS-FER-M60
Male Threaded Cap (Replaces
Standard Cap Locking Nut)—
Standard*
MFT Male
Thread Threaded Cap
Size Model No.
3
⁄4 NPT FTN-1
1
⁄2 NPT FTN-1-12
1
⁄4 NPT FTN-1-14
To order metric, add “-B SPT” to model
*
number, no additional charge.
T-TAPE
13 mm x 6.6 m
1
⁄2" x 20')
(
PTFE tape should be used on all
pipe joints to provide a good seal and
to prevent the threaded parts from
seizing each other on disassembly.
Order model T-TAPE.
G-60
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