1
About these instructions
1.1
Principles
The operating instructions are part of the valve named on the front page.
1.2
Applicable documents
Document
Catalogue page
For accessories, refer to the respective manufacturer's documentation.
1.3
Hazard levels
The warning notes are marked and classified according to the following hazard levels:
Symbol
DANGER
WARNING
CAUTION
NOTICE
2
Safety
2.1
Intended application
The ball valve is intended for installation in a pipework system to block media or allow them to pass
through within the permissible operating conditions. The permissible operating conditions are specified in
these operating instructions.
The ball valve is suitable for the media listed in these operating instructions; see section 4.5 "Media".
Operating conditions and applications deviating from these require the approval of the manufacturer.
Only media may be used to which the materials used for the valve body and seals are resistant.
Contaminated media or usage outside of the pressure and temperature specifications can lead to damage
to the valve body and seals.
When using the ball valve as an end-of-line valve, the ball valve is to be placed in the "Closed" position
and secured against unauthorised opening. The unsealed body end must be protected against dirt and
unauthorised reaching inside.
Avoidance of foreseeable misuse
Do not exceed the permissible operating limits for pressure and temperature specified in the data
sheet or in the documentation.
Follow all safety instructions and operating procedures in these operating instructions.
2.2
Meaning of the operating instructions
The operating instructions are to be read and followed by the responsible technical personnel before
installation and start-up. As part of the ball valve the operating instructions must be available nearby.
People could be seriously injured or killed if the operating instructions are not followed.
Read and observe the operating instructions before using the ball valve.
Retain the operating instructions and make sure they are available.
Pass the operating instructions on to subsequent users.
Operating instructions
Contents
Description of the ball valve
Explanation
Identifies a hazard with a high risk level that will result in death
or serious injury.
Identifies a hazard with a moderate risk level that will result in
death or serious injury.
Identifies a hazard with a low risk level that will result in a minor
or moderate injury.
Identifies a risk to property. Damage to property may occur if
this notice is ignored.
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