General Notes; Safety; Installation Conditions; Universal-Filter 3 Internal Dn 110 / Universal-Filter - Graf Universal-Filter 3 internal Installation And Maintenance Instructions Manual

1.1

Safety

The relevant accident prevention regulations according to BGV C22 must be observed during all work.
Particularly when walking on the tanks, a 2nd person is required to secure the tank.
The relevant regulations and standards must additionally be taken into consideration during installation,
assembly, servicing, repair, etc. Relevant notes can be found in the corresponding sections of these
instructions.
During all work on the system or parts of the system, the entire system must always be rendered
inoperable and secured to prevent unauthorised reactivation.
The tank cover must always remain closed except when working in the tank, otherwise there exists a very
high danger of accidents. The seating and condition of the cover must be checked on a regular basis.
GRAF offers an extensive range of accessories, all of which are designed to match each other and which
can be extended to form complete systems. The use of accessories that have not been approved by
GRAF results in the exclusion of the warranty/guarantee.
2.1 Universal-Filter 3 internal DN 110 / Universal-Filter 3 XL internal DN 160
•
The Filter is suitable for installation in a pilot shaft or in a cistern.
•
The difference in height between the supply pipe and outlet is 275 mm
•
The Filter may not be installed directly in the earth.
•
Roof areas provided with a pipe connection of DN 110 = 350 m² and for DN 160 = 500 m².
3.1

Transport

During the transport the filter must be well secured against slipping or falling. If the Filter is to be secured
for transportation with webbing straps, it is to be ensured that the filter remains undamaged.
Stress and excess loading caused by impact are to be avoided. Under no circumstances is the filter to be
rolled or slid over the ground surface.
3.2

Storage

Any necessary temporary storage of the filter must be on an appropriate level surface without sharp
objects. During the storage it is important to avoid damage caused by the surrounding environment or
foreign objects.
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1.

General notes

2.

Installation conditions

3.

Transport and storage

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