MKM - line:
Product description
Our MDM is a pure mechanical cable closure. It
was developed as a series of In-Line closures (type MVM) and Branch-Off closures
(type MAM).
One closure kit consists of two symmetrical
half-shells with a foamed rubber length seal fixed in the top shell.
The half moon
shaped length seal is designed to be compressed between the two halves when the
closure is installed, keeping it absolutely watertight.
The shells are screwed with nuts and bolts
made of stainless steel. The nuts are fixed in the bottom shell, so they can not
be lost.
Inside of the bottom half shell in front of
each entry is a strain relief for the cable. In the middle of the branch-off
bottom half shell the anchor point for the adapter to accommodate the fibre
optic splice cases is located. If a copper splice is produced, this adapter is
not needed.
The end caps are made of soft EPDM rubber and
are conically shaped, so they fit a wide range of cable diameters. The narrow
end of the end cap becomes cut at the half diameter of the cable. A double end
cap set makes it possible to fit 2 cables at 1 closure entry at the same time.
After the splice work is done, the two half
shells are screwed together very strongly. The body of the closure is then very
solid and each entry has a round shape. Each end cap becomes flipped over its
entry of the closure and gets fastened with stainless steel hose clamps.
Accessories like single or double end cap sets
and length sealing sets are available.
FRIEDL developed the MKM closures to beat the
old fashioned heat shrink systems at the point of technology and at the point of
economy. It is succesful in both ways, because HS (hot shrinking) systems are
extremely sensitive to environmental conditions during installation, therefore
they high failure rates, difficulties in reopening and are not reusable.
Therefore, the FRIEDL MKM cable closures
meet the fibre optic market, the copper cable market as well as the
electrical/power market.
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