Figure 8-11: Flange Example; Figure 8-12: Return Assembly Kit - GE Kelman TRANSFIX 1.6 Installation Manual

 If a flange-type valve is to be used to return the oil and the flange is drilled and
tapped to a ¼ in. female NPT fitting, then the drilled hole should be offset to the
top of the internal valve diameter to prevent an air pocket from being trapped
behind the flange (see Figure 8—11).
¼ in. NPT return
Figure 8—12 depicts the Return Assembly kit.
Check valve – the
arrow must point
toward the
transformer.
Elbow is only used if
the ¼ in. female NPT
fitting face is
vertical; it is not
used if the ¼ in.
female NPT fitting
face is horizontal.
 All pipe fittings should be tight and all threaded pipe fittings tightly wrapped with
PTFE tape with a light coating of PTFE paste or other quality pipe thread sealant
applied over the taped male threads to prevent leaks. Both of these items are
included in the product installation kit.
three wraps for large pipe fittings.
MA-001 – TRANSFIX-family Installation Manual – Rev 3.0
Figure 8—11: Flange example
Figure 8—12: Return Assembly kit
Note: GE recommends two wraps of PTFE tape or
Bolt holes
Inside valve diameter
behind the flange
18-Jan-16 Page 24 of 55