Kunststoffschweißtechnik
Operating and indicating elements Chapter 4
20.08.14 Working instructions WIDOS 3511 Page 16 of 39
4.4. Clamping tool left for pipe
There are two sizes of pipe clamping tool OD 20 - OD 50 mm and OD 50 - OD 125 mm. The
clamping claws of the pipe clamping tool sitting on straight pins internally and externally. The
internal claws are mounted by flat-head screws and the external with star handle.
Clamping jaw inside: Clamping jaw outside:
How to change internal clamping claws:
Remove the flat-head screws and detach the clamping jaws. Set the clamping jaw with
other size on the straight pins and mount it with flat-head screw.
How to change external clamping claws:
Loosen the star screws detach the clamping claw from straight pins and remove it to the
top. Set the clamping jaw with other size on the straight pins and mount it with star handle.
4.5. Clamping tool for fitting
There are different sizes of fitting clamping tools:
OD 29 – OD 68 mm, OD 75 – OD 167 mm and
OD 29 – OD 68 NIBCO. The clamping jaws of the
fitting clamping tool sitting on straight pins and are
mounted with flat-head screws.
For changing a jaw remove the flat-head screw
and detach the jaw.
Set the clamping jaw with other size on the
straight pins and mount it with flat-head screw.
Straight pin
Flat-head screw
Star handle
Marking of size
Marking of the size
Straight pin
Flat-head screw
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