Page 13/21
3.2 Inserting the cone pipe stopper into a pipe
This section describes how to insert the cone pipe stopper into a pipe.
• Personnel: - Instructed person
• Protective equipment: - Safety gloves
- Safety shoes
- Face, head and ear protection
- Protective clothing
Before the cone pipe stopper is inserted into a pipe, the pipeline must be
checked for damage. The area for the cone pipe stopper in the pipe must
be free of deposits, contamination and foreign matter, such as shards
and sharp objects. Cone pipe stoppers must be flush with the pipeline
along their entire length at the front, and the sealing surface must be in
contact with the inner wall of the pipe.
All cone pipe stoppers must be inserted and shored in pipe-
lines force-fit and form-fit.
9
Make sure that only authorised persons are present in the working
area and danger zone. Risk of death!
9
Choose a suitable pipe stopper and/or test pipe stopper according
to requirements.
9
Check the stopper and the accessories to be used to ensure that they
are complete and free of damage.
9
Damaged stoppers and accessory parts must not be used.
9
Never insert a stopper size into a pipe with a larger diameter.
9
The filling hose and control device must be connected to the pipe
stopper before insertion.
9
Mark out and clean the working area.
9
Insert the stopper into the pipe with the front flush along the entire
length.
9
Shore the pipe stopper inside the pipe.
9
Exit the shaft and/or pipeline.
DANGER
!
Risk of death for persons inside the pipe!
Make sure that there are no persons in the danger zone.
9
From a secure position, fill the pipe stopper to the maximum permis-
sible operating pressure.
9
When used over a longer period, check the pressure at least once an
hour.
