HG1
2.2 Intended Use
The valve is used exclusively for shutting off, throttling and regulating media flows under the Consideration of
the data given on the valve and technical details given in this manual Data, diagrams, applications described
and only in connection with the components, which are recommended by GEFA Processtechnik GmbH, ap-
proved and mentioned in this documentation. The faultless and safe operation of the device requires proper
transport, proper storage and installation as well as careful operation and maintenance. This documentation is
part of the device and must be available at all times. Observe all safety regulations which are listed in this docu-
mentation. The strength according to PED is considered with a simplified calculation on alternating stress. Quasi
static operation has been assumed. The suitability of the product wetted parts used and their chemical resist-
ance must be clarified before commissioning the system. The usual flow rates for this valve must not be ex-
ceeded. Changes or modifications to the device are not permitted. The improper use leads to the exclusion of
any liability claims.
2.3 User
All work on the unit may only be performed by qualified personnel and together with this documentation. Quali-
fied persons within the meaning of this documentation are those who are authorized to assemble, commission
and mark devices, systems and connections in accordance with the standards of safety technology.
2.4 Improper use
Do not mount the valve if:
>
Parts are obviously damaged
>
There is not enough free space to ensure easy operation of the hand levers, handwheels and manual emer-
gency shifts.
or the fitting as:
>
Support member of the pipe guide is used.
>
Riser is used.
>
This includes the actuators such as hand levers, gear operator, actuator, feedback and control systems.
2.5 Due diligence of the operator
It is the duty of care of the operator to plan and control all actions that ensure safety in the workplace.
In particular, the operator must ensure that:
>
the valve is only used as intended.
>
the valve is only operated in a perfect, fully functional condition.
>
the safety regulations relevant to the installation site and generally applicable technical rules for the installa-
tion location must be observed.
>
the permissible materials of the wetted parts are suitable for the media, pressures and temperatures used.
The operator must also ensure that the responsible personnel:
>
has the necessary qualifications to work with the valve.
>
has read and understood the operation instructions before working with the valve and follows the described
instructions.
>
can clearly identify all safety signs required for the work.
>
All necessary protective equipment is provided and must be worn.
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Version 0 • Dokument-Nr. 74572811
Internet: www.gefa.com • E-Mail: [email protected]
