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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 in-
structions.
During all work on the system or parts of the system, the entire system must always be rendered inoper-
able and secured to prevent unauthorised reactivation.
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
Optimax-Pro Filter internal - Connection DN 100
•
The Optimax-Pro Filter internal is suitable for installation in a manhole or a underground tank.
•
The difference of level between inflow and outflow is 165 mm.
•
The filter is suitable for roof areas up to 350 m².
•
The mesh width of the sieve insert is 0.35 mm.
2.2
Optimax XL Filter internal - Connection DN 150
•
The Optimax XL Filter internal is suitable for installation in a manhole or a underground tank.
•
The difference of level between inflow and outflow is 165 mm.
•
The filter is suitable for roof areas up to 750 m².
•
The mesh width of the sieve insert is 0.35 mm.
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1.
General notes
2.
Installation conditions
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