The VFS family with 1 until 24 sample gas inlets are the allrounders in pre-filter system.

The VFS is an extremely compact, autonomous multi sample filter for flexible construction of a wide range of test set-ups. Connection to the VFS is simplified by a control unit that is integrated into the device and carries out all internal control and regulation tasks as well as communication with the test cell environment. For this rea- son the VFS is ideal as a replacement for older, maintenance-he- avy pre-filter modules. Thanks to its versatility, it can be added to the test cell with limited modification work. - An investment that quickly pays for itself. The VFS has extremely uniform heating and an optimized gas feed that guarantees the greatest precision with measurement results.

The VFS is fitted with an NC pressure regulator for max. 50 mbar outlet pressure with an inlet pressure of up to 6 bar. Furthermore the device has a backflushable filter chamber with an inbuilt purge air outlet plus a test gas inlet. All inbound sample gas lines can be separately backwashed. The VFS can be ordered with the gas outlet on the side or at the front.

SCP (System Control Panel):
Parameterisation is very simple to carry out via an SCP (system control panel). The SCP autonomously recognizes which device it is connected to and enables every device parameter to be set via an extremely clear, self-explanatory display on a 5.7” touch screen. The SCP is also available as a simple software tool. This means that the VFS can be connected directly to an internal network and controlled or configured from any PC. Control can optionally be bit parallel or via Modbus TCP.

If an VFS is connected to an IAG nG measuring unit, configuration and monitoring can be carried out via the measuring unit display.

Technical specifications
Dimensions (mm)
L 520
W 245
H 240
Dimensions (mm)
L 550
W 245
H 240
Dimensions (mm)
L 245
W 535
H 160
8E or 24E
Dimensions (mm)
on request
Sample Gas Connections
Swagelok 8 mm
Filter Cartridge
70cm2 PTFE Bond Glass
Heated Line Connection
693 6+Pe Connectors
Standard Pin Assignment
Bit Parallel; Modbus TCP; AK; or via System Control Panel
Compressed Air Connection
6 mm Push In/Dry and Oil-Free
Compressed Air Supply
5-6 bar
Power Supply
400 V, 3,7kW3 m, CEE 1 6A
Extremely Compact
3 bar Inlet Pressure
Integrated Pressure Regulator
Filter Flushing with Purge Air Outlet
Calibration Gas Feed
Control of 6 Heated Lines
Backflush Function
IAG nG Filter Chamber
Control of 1 Sample Gas Pump
Control of Heated/Cooled Lines
Gas outlet front or side
HP up to 6 bar Inlet Pressure
Pt100 Heat Regulator
Heating Control via Modbus TCP
Bit Parallel Control
AK Control
AK Control via IAG nG AK Converter
SilcoTek Surface Treatment
IAG Prüfstandstechnik GMBH
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A-2722 Weikersdorf
Austria / Europe
+43 2622 41712 0office@iag-ng.at
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