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SERIES: KM-O(ST) & KM-T(ST)
Operating and maintenance instructions
2.3 SAFETY NOTES ON INSTALLATION,
OPERATION AND MAINTENANCE
DANGER
Failure to observe the following cautions and warnings
may result in danger, invalidating manufacturer's warranty.
In case of any questions please contact the manufacturer.
See back for addresses.
Ball valves are subject to the same safety regulations as the
pipe system into which they are installed and the control
system to which the actuator is connected. Additional
safety notes may also be included in the instructions of the
actuator assembly.
The manufacturer is not responsible and therefore, before
using the ball valve, it must be ensured that
> after installation into a pipe system, these ball valves are
exclusively used to shut off or transport fluids within the
approved pressure and temperature limits.
DANGER TO LIFE
It is not allowed to install a valve whose approved
pressure/temperature range (= "rating") is not sufficient
for the operating condition.
The approved range is described in the planning
document > Pressure and temperature applications.
See last page for reference address
Failure to observe this regulation may present a danger.
> the valve is only installed by personnel qualified to
perform work on pipes under pressure. (Qualified
personnel within the meaning of these instructions are
persons who are able to properly assess and perform
any task associated with the valve and anticipate or
recognize any possible dangers and eliminate them as
quickly as possible)
DANGER
Protection against incorrect use of ball valve:
In particular, it must be ensured that the selected materials
of the wetted ball valve parts are suitable for the fluids in
the pipe section. Failure to observe these precautions may
present a danger to the user and cause damage to the pipe
system.
> the ball valve is installed and operated in such a way
as supplied by the manufacturer Kugelhahn Müller.
Any changes performed without the approval of the
manufacturer (except the retrofitting of an actuator)
are not allowed and relieve manufacturer of his product
liability.
> an actuator unit subsequently attached to a ball valve
is adapted to the ball valve and correctly adjusted in its
end positions, particularly in open position,
> the pipe system and control system for the actuator
(if any) have been properly installed and are
subject to regular checks. The design of the wall
thickness of the ball valve body takes the usual
additional pipe load Fz into account for such a
properly laid pipe system (Fz = π/4*DN²*PS).
(PS = maximum permissible design pressure – see type
plate in section 3).
> the usual flow rates in this pipe system are not
exceeded during continuous operation and abnormal
operating conditions such as vibrations, water
hammers, cavitation, decomposition of unstable fluids,
earthquake and increased content of solids in the fluid,
particularly abrasive solids, have been clarified with the
manufacturer Kugelhahn Müller.
> the valve is correctly connected to this system,
> the pipe system has the required free space for operation
and for disassembly/assembly for the purpose of
inspection or maintenance.
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