GFK · Edition 05.19
EN-2
CHeCKInG tHe UsAGe
Gas filter GFK is used for filtration of the fuel gas and
combustion air supply to all gas consuming appliances.
This function is only guaranteed when used within the
specified limits – see page 3 (Technical data). Any
other use is considered as non-compliant.
type code
GFK
Gas filter
15 – 250
Nominal size
t
T-product
R
Rp internal thread
F
Flanged connection to ISO 7005
n
NPT internal thread
A
ANSI flange
Max. inlet pressure p
u max.
10
1 bar
40
4 bar (58 psig)
60
6 bar
-3
Screw plug at the inlet and outlet
-6
Pressure test point at the inlet and outlet
Part designations
GFK..F
GFK..R
1
1
3
2
2
1
Housing cover
2
Lower housing section
3
Pressure test point
type label
Max. inlet pressure: see type label.
D-49018 Osnabrück, Germany
GFK
p
u max
InstALLAtIon
CAUtIon
Incorrect installation
Please observe the following to ensure that the
GFK is not damaged during installation and
operation:
– Dropping the device can cause permanent
damage. In this event, replace the entire device
and associated modules before use.
➔
Installation position: as required, in hori-
zontal or vertical pipework – recom-
mended: housing cover to the side.
➔
The housing must not be in contact with ma-
sonry, minimum clearance 20 mm (0.79").
> 20 mm
➔
We recommend applying a protective coating when
installing in the open air.
GFK..R
1
2
3
4
GFK..F
1
2
3
tIGHtness test
1
To be able to check the tightness, shut off the
downstream pipeline close to the gas filter.
2
3
4
Tightness OK: open the pipeline.
➔
Pipeline leaking: replace the seal.
MAIntenAnCe
CAUtIon
In order to ensure smooth operation:
– clean or replace the filter pad of the GFK every
year, or every six months if operated with
biogas.
– When cleaning or replacing the filter pad, no dirt
may contaminate the clean gas circuit.
