Date: 23/02/2021
4 of 7
Subject to change without notice
Storage
Information
SAB shall not be liable for damage to the duplex filter if it is stored for longer than 6 months from the date of delivery.
The correct storage is the responsibility of the consignee.
It must be ensured for storage that the delivery is placed in a secured and roofed place or covered with a tarpaulin to protect it
from moisture and that spigots, screw connections as well as attachment parts remain unstressed. The duplex filter must not be
stored in a corrosive atmosphere, the relative humidity should be <65%.
If stored for longer than 6 months, the packaging must be checked regularly for damage and replaced if necessary.
4
Installation and assembly
Information
Appropriate protective equipment (see chapter 2 "Safety
" → "Personal Protective Equipment") must be worn when
working on and with the duplex filter.
The direction of flow must be observed, never mix up inlet and outlet connections!
Make sure that there are no foreign bodies in the housing (e.g. tools)!
Only work on the housing when it is depressurised!
Installation and assembly may only be carried out by qualified and trained personnel.
The duplex filter is installed upright in the pipeline, using suitable seals and connecting elements. The connected pipelines must
not transfer any mechanical stresses to the filter housing, as the housing connections are not designed for any additional nozzle
loads.
The cast duplex filter consists of two identical single filters. The single filters consist of a cast housing, cover, seals and the basket
or ring strainer insert.
The strainer insert is already installed when delivered.
Appropriate measuring devices must be installed in the inlet and outlet or optionally a differential pressure measuring device to
record the differential pressure.
Attention
: These described shut-off devices, piping parts and fittings for differential pressure measurement are not included in
the scope of delivery!
In normal operation, only one filter pot has to be operated, so that the other one is available as a full reserve. This is switched to
during the cleaning phase. This ensures that filter operation is not interrupted. During start-up operation, both filters can be
operated in parallel by setting the stopcock plug (10) to the centre position. This reduces the pressure loss in the filter. This is
particularly advantageous with viscous media that do not heat up until during operation (cold start).
The change-over lever (9) always faces in the direction of the filter pot in operation.
The seals must be clean, undamaged and properly seated. All screw connections must be checked for their leak tightness.
Mounting the strainer insert
No.
F101D
F101DS
1.
Loosen the hexagon nut (7) and hexagon head bolt (8).
Loosen the hexagon nuts (12).
2.
Remove the clamp (6).
Remove the hexagon nuts (12).
3.
Remove the cover (4).
4.
Insert the strainer insert (3) into the duplex filter. Make sure that the support ring of the strainer insert is correctly
positioned in the duplex filter or on any existing strainer support seal. The strainer insert thus seals directly to the
housing.
5.
The sealing surface and the seal (11) must be checked for damage and cleanliness before closing.
6.
Ensure that the seal (11) is properly seated.
7.
Close the filter with the cover (4).
8.
Lock the cover (4) with the clamp (6), hexagon head bolt (8)
and the hexagon nut (7).
Lock the cover (4) using the stud bolts (13) and
hexagon nuts (12).
Table 1
Installation instructions
