Buhler AGF-VA-23, AGF-VA-23-V-F2, K-AGF-VA-23, AGF-VA-23-P-F2, AGF-VA-23-V-F25 Installation And Operation Instruction Manual
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Gas Analysis
Sample Gas Filter AGF-VA-23
Sample Gas Coalescing Filter K-AGF-VA-23
Installation and Operation Instructions
Original instructions
BE410012
06/2019
Bühler Technologies GmbH, Harkortstr. 29, D-40880 Ratingen
Tel. +49 (0) 21 02 / 49 89-0, Fax: +49 (0) 21 02 / 49 89-20
E-Mail: analyse@buehler-technologies.com
Internet: www.buehler-technologies.com
Bühler Technologies GmbH, Harkortstr. 29, D-40880 Ratingen
Tel. +49 (0) 21 02 / 49 89-0, Fax: +49 (0) 21 02 / 49 89-20
Internet: www.buehler-technologies.com
E-Mail: analyse@buehler-technologies.com
Read this instruction carefully prior to installation and/or use. Pay attention particularly to all advises and safety instructions to prevent injuries. Bühler Technologies can not be held responsible for misusing
the product or unreliable function due to unauthorised modifications.
All rights reserved. Bühler Technologies GmbH 2019
Document information
Document No...........................................................BE410012
Version.........................................................................06/2019
Sample Gas Coalescing Filter K-AGFVA-23
Contents
1 Introduction..................................................................................................................................................................................................................... 2
1.1 Intended Use......................................................................................................................................................................................................... 2
1.2 Design types.......................................................................................................................................................................................................... 2
1.3 Scope of delivery.................................................................................................................................................................................................. 2
2 Safety instructions......................................................................................................................................................................................................... 3
2.1 Important notices................................................................................................................................................................................................ 3
2.2 General hazard warnings .................................................................................................................................................................................4
3 Use in explosive atmosphere areas .......................................................................................................................................................................... 5
4 Transport and storage.................................................................................................................................................................................................. 7
5 Installation and connection ........................................................................................................................................................................................8
5.1 Requirements to the installation site............................................................................................................................................................8
5.2 Connecting the gas lines ...................................................................................................................................................................................8
5.3 Connecting a bypass or moisture detector..................................................................................................................................................8
6 Operation and control..................................................................................................................................................................................................9
7 Maintenance.................................................................................................................................................................................................................. 10
7.1 Replacing the filter element........................................................................................................................................................................... 10
8 Service and repair..........................................................................................................................................................................................................11
8.1 Spare parts and accessories ............................................................................................................................................................................ 11
8.1.1 AGF-VA-23 ..............................................................................................................................................................................................11
8.1.2 K-AGF-VA-23 .........................................................................................................................................................................................12
9 Disposal............................................................................................................................................................................................................................13
10 Appendices..................................................................................................................................................................................................................... 14
10.1 Technical Data.................................................................................................................................................................................................... 14
10.2 Dimensions ..........................................................................................................................................................................................................15
10.3 List of chemical resistance .............................................................................................................................................................................. 16
11 Attached documents ....................................................................................................................................................................................................17
iBühler Technologies GmbHBE410012 ◦ 06/2019
Sample Gas Coalescing Filter K-AGFVA-23
1 Introduction
1.1 Intended Use
The filters may be used in a gas analysis system to filter sample gas.
Filters AGF-VA-23 and K-AGF-VA-23 may further be used in explosive atmosphere areas zone 1 and 2, explosion class IIA, IIB and
IIC. When used for this purpose, the information in chapter “
the other information in these operating instructions.
1.2 Design types
If a filter type has special features, these are described separately in the operating manual. When connecting, please note the
specific values of the filter, and the correct version when ordering spare parts.
Please refer to the nameplate to identify your model. In addition to the job number it also contains the item number and model
designation.
The filters described here are based on the same gas connections and the same mounting diagram.
Filter type Description
AGF-VA-23-V Stainless steel filter with Viton / PVDF seal
AGF-VA-23-P Stainless steel filter with perfluoroelastomer seal
AGF-VA-23-V-F2/F25 Stainless steel filter with Viton / PVDF seal
AGF-VA-23-P-F2/F25 Stainless steel filter with perfluoroelastomer seal
K-AGF-VA-23-V Stainless steel coalescence filter with Viton / PVDF seal
K-AGF-VA-23-P Stainless steel coalescence filter with perfluorelastomer seal
Tab.1: Filter type overview
Use in explosive atmosphere areas
“ must be followed in addition to
1.3 Scope of delivery
For AGF-VA-23:
– 1 x Filter
– Product Documentation
For K-AGF-VA-23:
– 1 x Filter
– 1x Filter element
– Product Documentation
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Sample Gas Coalescing Filter K-AGF-
DANGER
WARNING
CAUTION
NOTICE
VA-23
2 Safety instructions
2.1 Important notices
This unit may only be used if:
– The product is being used under the conditions described in the operating- and system instructions, used according to the
nameplate and for applications for which it is intended. Any unauthorized modifications of the device will void the warranty
provided by Bühler Technologies GmbH,
– The specifications and markings in the type plate are observed,
– The limits in the data sheet and the instructions must be observed,
– Monitoring equipment / protection devices must be connected correctly,
– Service and repair work not described in these instructions is performed by Bühler Technologies GmbH,
– Using genuine replacement parts.
Erecting electrical systems in explosive areas requires compliance with regulation EN 60079-14.
Additional national regulations pertaining to initial operation, operation, maintenance, repairs, and disposal must be observed.
These operating instructions are a part of the equipment. The manufacturer reserves the right to change performance-, specification- or technical data without prior notice. Please keep these instructions for future reference.
Signal words for warnings
Signal word for an imminent danger with high risk, resulting in severe injuries or death if not avoided.
Signal word for a hazardous situation with medium risk, possibly resulting in severe injuries or death if not
avoided.
Signal word for a hazardous situation with low risk, resulting in damaged to the device or the property or
minor or medium injuries if not avoided.
Signal word for important information to the product.
Warning signs
These instructions use the following warning signs:
Warns of a general hazard General information
Warns not to inhale toxic gasses Wear respiratory equipment
Warns of corrosive liquids Wear a safety mask
Warns of explosive areas Wear gloves
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Sample Gas Coalescing Filter K-AGFVA-23
2.2 General hazard warnings
The equipment must be installed by a professional familiar with the safety requirements and risks.
Be sure to observe the safety regulations and generally applicable rules of technology relevant for the installation site. Prevent
malfunctions and avoid personal injuries and property damage.
The operator of the system must ensure:
– Safety notices and operating instructions are available and observed,
– The respective national accident prevention regulations are observed,
– The permissible data and operational conditions are maintained,
– Safety guards are used and mandatory maintenance is performed,
– Legal regulations are observed during disposal,
– compliance with national installation regulations.
Maintenance, Repair
Please note during maintenance and repairs:
– Repairs to the unit must be performed by Bühler authorised personnel.
– Only perform conversion-, maintenance or installation work described in these operating and installation instructions.
– Always use genuine spare parts.
Always observe the applicable safety and operating regulations in the respective country of use when performing any type of
maintenance.
DANGER Toxic, corrosive gases
The measuring gas led through the equipment can be hazardous when breathing or
touching it.
a) Check tightness of the measuring system before putting it into operation.
b) Take care that harmful gases are exhausted to a save place.
c) Before maintenance turn off the gas supply and make sure that it cannot be turned
on unintentionally.
d) Protect yourself during maintenance against toxic / corrosive gases. Use suitable pro-
tective equipment.
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3 Use in explosive atmosphere areas
Intended Use
Filters AGF-VA-23 and K-AGF-VA-23 may be used in explosive atmosphere areas zone 1 and 2. Explosion classes IIA, IIB and IIC are
approved. The filters have no innate ignition source and do not fall into the application of Directive 2014/34/EU and therefore do
not bear the CE mark.
II 2/2G c IIC TX X
The ambient temperatures must not be below -5°C or above 60°C.
The highest surface temperature is directly affected by the temperature of the medium introduced. The medium introduced
must not exceed the maximum temperature of 100°C. If necessary, a temperature monitor should be installed.
When operating the filters with moisture detector and controller, these must be inherently safe according to EN 60079-11.
When using a moisture detector, its working temperature may deviate from those specified here and limit the approved ambient temperature range of the filter as well as the permissible medium temperatures.
Depending on the process conditions, pressure- or flow sensors may be required for continuous monitoring. If the process holds
a risk of flame propagation a flame arrestor must be installed.
The approved explosion class of the inner zone varies by the filter element used. See chapter AGF-VA-23 [> page11] and K-AGF-
VA-23 [> page12] to match filter element options with explosion classes.
, -5°C <T
< +60 °C
amb
Safety instructions
The following safety notices must absolutely be followed when operating the filter in an area with explosive atmosphere. Failure to do so can result in an explosion hazard.
– Only perform installation-, removal- and maintenance work in non-explosive atmosphere.
– Protect filter from mechanical impact. If necessary, install a cover which withstands at least 4 joule.
– Protect filter from vibration, or avoid vibration. If necessary, mechanically brace supply and discharge lines.
– Observe all limits, operating parameters, etc. specified in these operating instructions and the data sheet.
– Maintenance and cleaning instructions must be followed.
– When used with moist gasses, a condensate separator must be installed. Moist gasses can clog pores in the filter. Gas pres-
sure building up can result in an impermissible temperature rise.
– Observe the grade of filtration of the fine mesh filter and if necessary install a pre-filtration to ensure larger solid particles do
not clog the filter prematurely.
– Observe the durability list in this document. Only use media compatible with the filter materials.
– Do not repair the filter. Damaged filter components must be replaced.
– Do not paint, laminate or otherwise coat the filters.
– Observe the applicable constructor regulations, e.g. EN 60079-14, for installation and mounting.
– All metallic parts of the filter must be connected to an earth potential. The resistance of a continuity test must not exceed 1
MΩ (1*106 Ω).
– The sealing materials, e.g. Teflon tape, must be conductive so all parts of the filter are earthed. If necessary, install an earth
bridge.
Operation and Control
DANGER Risk of explosive gasses leaking and crossing zones
Check the filter is tight prior to operation.
Inadequately sealed filters can leak. Gas may leak or the ambient atmosphere be drawn
in. Use a suitable method for the leakage test, appropriate for the application.
DANGER Explosion hazard due to isolated metal parts
Never operate the filter without the pressure spring in the base. If lost, the filter must be
taken out of service. Operation without the pressure spring poses an explosion hazard
and considered improper use.
5Bühler Technologies GmbHBE410012 ◦ 06/2019
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