GESTRA ZK 29, Installation Instructions Manual

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20
 Make sure that only qualified personnel carries
out the heat treatment.

After the heat treatment you may insulate the
equipment if necessary.
DANGER
Incorrectly connected equipment can
cause fatal accidents or severe injuries.

Make sure that only qualified skilled
personnel connect the actuator to the
power supply.

Follow all instructions given by the
actuator manufacturer.
Specialist personnel must be highly qualified and
fully experienced in connecting the power supply in
question.
 Connect the actuator properly with the
mechanical connection of the equipment.
For more details on how to connect the
actuator with the stem and how to mount
the mechanical connection see page 37.

Connect the actuator properly to its power
supply.
Checking the function

Make sure that the equipment is safely mounted
and that all connections are made correctly.
CAUTION
There is a risk of getting crushed by the
spindle.

Wear sturdy leather gloves when
working on the spindle or stem.

Make sure that no persons are in the
area of the spindle or stem.

Move the spindle slowly.

Carry out a performance test to check the
functions of the equipment.
The stem must perform at least one full valve
stroke.

Change, if necessary, the actuator settings as
indicated in the operating manual of the
actuator.
Starting up the equipment
To finish the installation work please perform the
following jobs:

Adjust the stuffing box

Rinse the equipment

Adjust the mechanical lift stop (if provided)
 Flush the installed equipment as described on
page 26.
Adjusting the gland seal
DANGER
Personnel working on pipes are exposed to
safety risks and may suffer severe injuries,
poisoning or even loss of life.

Make sure that no hot or hazardous
fluid is in the equipment or the pipes.

Make sure that the pipes upstream
and downstream of the equipment are
depressurised.

Make sure that the installation is
switched off and protected against
unauthorised or unintended activation.
 Make sure that the equipment and the
pipes have cooled down to room
temperatures.

Wear protective clothing that is
suitable for the fluid and, if necessary,
wear protective gear.
For more information on suitable protective clothing
and safety gear refer to the safety data sheet of the
fluid in question.
In equipment with pneumatic diaphragm actuator
the stuffing box can be adjusted via the union nut.