Omega Products MFT Installation Manual
MFT Series
Multiconductor Feedthroughs
INSTRUCTION
SHEET
INTRODUCTION
The OMEGA®MFT multiconductor feedthroughs are designed for use in
applications that require several thermocouple sensors to pass through a
wall or a bulkhead at one opening or within a small area. They are
manufactured from 416 stainless steel. Their heavy duty construction allows
the MFT fittings to be used in high pressure or vacuum applications (when
used with stainless steel ferrules).
UNPACKING
Check to see that the following parts are in the package: MFT Housing,
Pusher, Lock Pin, Nut, Ferrules, Blind Probes, Operator’s Manual.
Remove the Packing List and verify that you have received all equipment. If
you have any questions about the shipment, please call the OMEGA
Customer Service Department at 1-800-622-2378 or 203-359-1660. We can
also be reached on the Internet at
omega.com e-mail: info@omega.com
When you receive the shipment, inspect the container and equipment for
any signs of damage. Note any evidence of rough handling in transit.
Immediately report any damage to the shipping agent.
The carrier will not honor any claims unless all shipping material
is saved for their examination. After examining and removing
contents, save packing material and carton in the event
reshipment is necessary.
FERRULES
All multiconductor feedthroughs are supplied in standard form with 300
series stainless steel ferrules (necessary in high pressure or vacuum
applications). When the nut is tightened, these stainless steel ferrules
deform and become permanent. Note that the probe sheath will become
nicked as the ferrule forms around it.
If it is required that the probes be removed or replaced several times in the
feedthrough, teflon ferrules should be used. Teflon ferrules will not deform
the probe sheath, thus allowing the same probe to be re-used.
NOTE
M0152/0103
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2
IMPORTANT NOTE
NEVER re-use ferrules! Once the pusher part of the MFT assembly has pressed
against them, ferrules are deformed in some way (both steel and teflon ferrules).
ALWAYS replace the ferrules when re-using the multiconductor feedthrough.
Replacement part numbers are listed at the end of this manual.
MALE THREADED CAPS
An optional male threaded cap is also available for use when assembling the
MFT for certain applications (Figure 2b). They are used INSTEAD of the nut
(that is provided) when an external male NPT thread is needed. Using the
threaded cap will allow for a conduit pipe to be threaded directly onto the
MFT housing.
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