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SERIES: KM-O(ST) & KM-T(ST)
Operating and maintenance instructions
> the use of a ball valve actuator in an ambient atmosphere
that is other than normal - particularly in potentially
explosive environment - has been clarified with the
manufacturer Kugelhahn Müller,
> ball valves installed in pipe systems with operating
temperatures > +50°C or < –20°C are protected against
contact, together with the pipe section. Such thermal
insulation is not the responsibility of Kugelhahn Müller
GmbH.
> Make sure that the pressure of the ball valve corresponds
to the operating conditions of the pipe. Size and
pressure range are indicated in more detail on our ball
valves. Before installation, open and close valve while
simultaneously checking whether any problems occur
during opening/closing and whether the ball is in the
correct position.
PARTICULAR DANGERS
DANGER TO LIFE
Before disassembly of the ball valve from the pipe, the
pipe must be completely decompressed to prevent
leakage of the fluid to outside.
DANGER
The bolting on the connection of the valve body parts
shall be loosened only after disassembly of the valve. A
detailed description of reassembly is contained in the
Kugelhahn-Müller assembly instructions.
Ball valves used as end valve:
During normal operation, especially when using gaseous,
hot and/or dangerous fluids, install a blind flange at the
open end of the valve or securely and permanently lock
the ball valve in "CLOSED" position.
When disassembling a valve from the pipe, fluid may leak
from the pipe or the ball valve. When using harmful or
dangerous fluids, the pipe must be completely drained
before disassembling the ball valve. Use caution with
residues that still flow out of the pipe or have remained in
the dead spots of the ball valve.
If a ball valve that is used as end valve in a pipe section
under pressure must be opened, use greatest care and
do it in such a way that any fluid splashing out does not
cause damage.
Risk of crushing hand or fingers:
Do not operate an actuated valve as long as the valve is
not yet installed. Do not operate a valve installed at the
open end of a pipe section.
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