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Installation location:
CAUTION
G Do not apply external force to the valve.
G Choose the installation location so that
the valve cannot be used as a foothold.
G Lay the pipeline so that the valve body
is protected against transverse and
bending forces, and also vibrations and
tension.
G Only mount the valve between
matching aligned pipes.
Mounting position:
For valves with a regulating cone we
recommend to mount the actuator
vertically upright (preferred) or vertically
down to optimize the service life.
Direction of the working medium:
Flow direction:
G* M
Flow under the seat* Flow over the seat
* Preferred flow direction with
incompressible liquid media and steam to
avoid "water hammer". The fl ow direction
is indicated by an arrow on the valve body:
Flow under the seat Flow over the seat
Assembly:
1. Ensure the suitability of the valve for
each respective use. The valve must
be appropriate for the piping system
operating conditions (medium, medium
concentration, temperature and
pressure) and the prevailing ambient
conditions. Check the technical data of
the valve and the materials.
2.
Shut off pressure line or process
line.
3. Secure against re-commissioning.
4.
WARNING Depressurize the plant or
plant component.
5.
WARNING Completely drain the plant
(or plant component) and let it cool down
until the temperature is below the media
vaporization temperature and scalding
can be ruled out.
6. Correctly decontaminate, rinse and
ventilate the plant or plant component.
Assembly - Butt weld spigots:
1. Adhere to technical welding norms!
2. Remove the actuator before welding the
valve body into the pipeline (see chapter
12.1).
3. Allow butt weld spigots to cool down.
4. Reassemble the valve body and the
actuator (see chapter 12.3).
Assembly - Clamp connections:
G When assembling clamp
connections, insert a gasket between
the body clamp and the adjacent
piping clamp and join them using the
appropriate clamp fi tting. The gasket and
the clamp for clamp connections are not
included in the scope of delivery.
Assembly - Threaded connections:
G Screw the threaded connections into the
piping in accordance with valid standards.
G Screw the valve body into the piping, use
appropriate thread sealant. The thread
sealant is not included in the scope of
delivery.
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