Bühler technologies AGF-VA-350 Manual del propietario
Gas Analysis
Installation and Operation Instructions
Original instructions
Sample Gas Filter AGF-VA-350
Sample Gas Coalescing Filter K-AGF-VA-350
BE410013
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: [email protected]
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: [email protected]
Read this instruction carefully prior to installation and/or use. Pay at-
tention particularly to all advises and safety instructions to prevent in-
juries. Bühler Technologies can not be held responsible for misusing
the product or unreliable function due to unauthorised modifications.
All rights reserved. Bühler Technologies GmbH 2023
Document information
Document No...........................................................BE410013
Version.........................................................................06/2019
Sample Gas Coalescing Filter K-AGF-
VA-350
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 ................................................................................................................................................................................. 3
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...........................................................................................................................................................................................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-350 ...........................................................................................................................................................................................11
8.1.2 K-AGF-VA-350 ...................................................................................................................................................................................... 12
9 Disposal ........................................................................................................................................................................................................................... 13
10 Appendices ..................................................................................................................................................................................................................... 14
10.1 Technical Data AGF-VA-350 / K-AGF-VA-350 ............................................................................................................................................. 14
10.2 Dimensions AGF-VA-350 / K-AGF-VA-350................................................................................................................................................... 14
10.3 List of chemical resistance ...............................................................................................................................................................................15
11 Attached documents ................................................................................................................................................................................................... 16
iBühler Technologies GmbHBE410013 ◦ 06/2019
Sample Gas Coalescing Filter K-AGF-
VA-350
1 Introduction
1.1 Intended Use
The filters may be used in a gas analysis system to filter sample gas.
Filters AGF-VA-350 and K-AGF-VA-350 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 “Use in explosive atmosphere areas“ must be followed in addition to
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.
Filter type Description
AGF-VA-350-T Stainless steel filter with Viton gasket / FEP shrouded
K-AGF-VA-350-T Stainless steel coalescence filter with Viton / PVDF gasket
Tab.1: Filter type overview
1.3 Scope of delivery
– 1 x Filter
– Product documentation
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Sample Gas Coalescing Filter K-AGF-
VA-350
2 Safety instructions
2.1 Important notices
Operation of the device is only valid if:
– the product is used under the conditions described in the installation- and operation instruction, the intended application
according to the type plate and the intended use. In case of unauthorized modifications done by the user Bühler Technolo-
gies GmbH can not be held responsible for any damage,
– when complying with the specifications and markings on the nameplates.
– the performance limits given in the datasheets and in the installation- and operation instruction are obeyed,
– monitoring devices and safety devices are installed properly,
– service and repair is carried out by Bühler Technologies GmbH,
– only original spare parts are used.
This manual is part of the equipment. The manufacturer keeps the right to modify specifications without advanced notice. Keep
this manual for later use.
Signal words for warnings
DANGER
Signal word for an imminent danger with high risk, resulting in severe injuries or death if not avoided.
WARNING
Signal word for a hazardous situation with medium risk, possibly resulting in severe injuries or death if not
avoided.
CAUTION
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.
NOTICE
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
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.
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Sample Gas Coalescing Filter K-AGF-
VA-350
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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Sample Gas Coalescing Filter K-AGF-
VA-350
3 Use in explosive atmosphere areas
Intended Use
Filters K-AGF-VA-350 and AGF-VA-350 may be used in explosive atmosphere areas zone 1 and 2. Explosion classes IIA, IIB and IIC
are approved. The filter has no innate ignition source and does not fall under Directive 2014/34/EU and therefore does not bear
the CE mark.
II 2/2G c IIC TX X, -5°C <Tamb< +60 °C
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.
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-350 [> page11] and K-
AGF-VA-350 [> page12]to match filter element options with explosion classes.
Safety instructions
The following safety notices must absolutely be followed when operating the filter in an area with explosive atmosphere. Fail-
ure 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.
Service
Please note the following instructions. Failure to do so may result in explosive gasses escaping and crossing zones.
– Check the filter is tight after any maintenance and the intervals specified in the maintenance schedule. Inadequately sealed
filters can leak. Gas may leak or the ambient atmosphere be drawn in. Use a suitable method for the leakage test, appropri-
ate for the application.
– There must be no internal or external Ex atmosphere when performing maintenance. If necessary, flush the filter with inert
gas. Switch off pumps on the gas circuit and close supply and discharge lines.
5Bühler Technologies GmbHBE410013 ◦ 06/2019
Sample Gas Coalescing Filter K-AGF-
VA-350
Service schedule
When using the filters in ATEX areas, follow this maintenance schedule:
Component Interval in operating hours Work to be performed
Filter element Weekly, and depending on the contamination
level of the filter element.
– Visually inspect for contamination.
– If contaminated, replace the filter element and O-ring.
O-ring Every time the filter cover is removed. – Clean O-ring contact surfaces.
– Replace O-ring.
Entire filter Weekly and depending on the external level of
contamination.
– Remove layers of dust with a damp cloth.
Entire filter Every 6 months and every time the filter is
opened.
– Perform a leak test.
When replacing the filter element, the seal must also be replaced.
Cleaning
Dust deposits on the filter must be removed regularly.
Clean the outside of the filter using only a clean, damp cloth (do not use cleaners containing solvents).
DANGER Spark formation due to electrostatic discharge (explosion hazard)
Only clean the filter with a clean, damp cloth.
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Sample Gas Coalescing Filter K-AGF-
VA-350
4 Transport and storage
Only transport the product inside the original packaging or a suitable alternative.
The equipment must be protected from moisture and heat when not in use. It must be stored in a covered, dry and dust-free
room at a temperature of -20 °C to 60 °C (-4 °F to 140 °F).
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Sample Gas Coalescing Filter K-AGF-
VA-350
5 Installation and connection
5.1 Requirements to the installation site
The filter should be installed in a way so the filter element can be replaced. If the filter protrudes from a contour, please note
this poses a risk of damage.
The spacing for the mounting holes (for M6 screws) is 25 mm.
The maximum permissible pressure is 270 bar abs. at temperatures up to 150 °C for models (K-) AGF-VA-350-T, or 200 bar abs. at
temperatures up to 240 °C for model AGF-VA-350-P.
5.2 Connecting the gas lines
The connections must be made carefully and properly using suitable fittings (gas connections right/left and bottom condensate
drain/bypass: NPT 1/4”) and sealant.
When not using the condensate drain/bypass, attach a sealing plug to the thread (sold separately - see appendix).
An arrow on the filter indicates the flow direction. The filter can be screwed onto the mounting bracket to switch the inlet and
outlet side.
Perform a leak test with suitable means.
5.3 Connecting a bypass
A 1/4” NPT connection thread for connecting a bypass is located inside the filter cover.
– Screw in fitting.
– Perform a leak test with suitable means.
8 Bühler Technologies GmbH BE410013 ◦ 06/2019
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