GEA VARIVENT Vacuum Valve V, Руководство по эксплуатации

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Intended Purpose
Improper Operating Conditions
20
Operating Instructions · VARIVENT
®
Vacuum Valve V
Edition 2016-06-30
Intended Purpose
Designated Use
The vacuum valve V is used for the automatic compensation of vacuum pressures in
tanks or pipes.
Since there is a risk that the valve disk may freeze at temperatures < 0°C, it is essential
to equip the vacuum valve with a heating device. Otherwise, a reliable function is not
ensured.
Tuchenhagen vacuum valves are generally designed for prevention of vacuum caused
by free emptying of tanks. Protection against vacuum caused by the hot/cold cleaning of
the tank/vessel is not provided.
NOTE
The manufacturer will not accept any liability for damage resulting from any use of the
valve which is not in accordance with the designated use of the valve. The risk of such
misuse lies entirely with the operator of the facility.
Requirements for the Operation
The prerequisite for the reliable and safe operation of the valve is proper transportation
and storage as well as professional installation and assembly. Operating the valve within
the limits of its designated use also involves adhering to the operating, inspection and
maintenance instructions.
Improper Operating Conditions
The operational reliability of the valve cannot be ensured under improper operating
conditions. Therefore avoid improper operating conditions.
Operating the valves is not permitted if
• Persons or objects are in the danger zone.
• Safety devices are not working or were removed.
• Malfunctions have been detected on the valve.
• Damage has been detected on the valve.
• Maintenance intervals have been exceeded.