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Assembly and maintenance instructions
Safety valve
1
General Notes of Safety
• Only use the valve:
- for the intended purpose
- in a flawless, damage-free state
- in a safe and danger-conscious manner
- within its operating limits, otherwise there is a risk to human life
• Always observe the installation instructions.
• Remove all protective covers and other transport safety devices directly before
assembly.
• Faults that may impair safety must be addressed immediately.
• The valves are exclusively intended for the application area stated in these ins-
tallation instructions. Any other or further use is not valid as the intended use.
• All assembly work must be carried out by experienced personnel.
• These operating instructions do not replace any national regulations, regulati-
ons on accident prevention or local safety regulatio
• All structural modifications of the valve are strictly prohibited. This applies in
particular to inserting drill holes or welding on other objects.
• The following points must be observed during all repair work:
- Pressurised cushions of air in the system must be removed and the affected
pipelines drained. Before performing these steps, the operator must be aware
of the risks that can arise from residues of the operating medium.
- Appropriate and sufficient items of personal protection clothing must be
worn. These include protective shoes, safety goggles, protective gloves, etc.
- The system must be protected against restarting by appropriate measures
and means.
- The valve should have reached room temperature.
Assembly and maintenance instructions - 455, 355, 255 | Version: 04/2024 · V03
455, 355, 255
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