Type DFH - TROX France

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Type DFH
FOR VERY CRITICAL REQUIREMENTS
Final filters for the separation of suspended particles, suitable for industrial, research, medical,
pharmaceutical, and nuclear engineering applications
Filter classes E11, H13
Performance data tested to EN 1822
Filter media for special requirements, made of glass fibre papers, with spacers made of profiled
aluminium foil
High-efficiency filters for very high demands
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APPLICATION
Application
Deep Pleat particulate filter cell type DFH for the separation of
suspended particles such as aerosols, toxic dusts, viruses and
bacteria from the supply and extract air in ventilation systems with
large volume flow rates and the requirement for long filter life
Particulate filter: Main or final filter used for the most critical
requirements of air cleanliness and sterility in areas such as
industry, research, medicine, pharmaceuticals, and nuclear
engineering
Special characteristics
Leakage test, standard for all particulate filters of filter class H13
DESCRIPTION
Filter classes
Particulate filters E11, H13
Construction
MDF: Frame made of MDF
GAL: Frame made of galvanised steel
STA: Frame made of stainless steel
Options
GU: Protection grid on the upstream side
GD: Protection grid on the downstream side
GB: Protection grid on both sides
FNU: Flat section seal on the upstream side
FND: Flat section seal on the downstream side
FNB: Flat section seal on both sides
TGU: Test groove seal on the upstream side
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CSU: Continuous seal on the upstream side
CSD: Continuous seal on the downstream side
CSB: Continuous seal on both sides
WS: Without seal
OT: Oil mist test (only for filter class H13)
OTC: Oil mist test with certificate (only for filter class H13)
ST: Scan test (only for filter class H13)
Useful additions
Ducted particulate filter, available as one unit (KSF, KSFS) or as a
filter unit system (KSFSSP)
Duct casing for particulate filters (DCA)
Construction features
Perimeter flat section seal on the upstream side as standard
Some constructions are available with an optional foamed
continuous seal on one or both sides, or with a test groove seal
(H13) on the upstream side
Protection grid made of expanded metal, can be fitted on the
downstream or upstream side or on both sides as required
Materials and surfaces
Filter media made of high-quality, moisture-resistant glass fibre
papers, pleated
Spacers made of profiled aluminium foil provide a uniform spacing
of the pleats
Joint sealing compound made of permanently elastic twocomponent polyurethane adhesive
Frame made of either MDF, galvanised sheet steel, or stainless
steel
INFORMATION TECHNIQUE
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> Cellules filtrantes plissées opacimétriques > Type DFH
TECHNICAL DATA
SPECIFICATION TEXT
Deep Pleat particulate filter cells DFH for the separation of suspended particles such as aerosols, toxic
dusts, viruses and bacteria from the supply and extract air in ventilation systems.
Use as particulate filters, i.e. main or final filters, for the most critical requirements of air cleanliness and
sterility in areas such as industry, research, medicine, pharmaceuticals, and nuclear engineering.
Compact depth construction, suitable for systems with high volume flow rates and a requirement for long
filter life.
Deep Pleat particulate filter cells are available in all commercial sizes, filter classes E11, H13.
As standard, Deep Pleat particulate filter cells are fitted with a perimeter flat section seal on the
upstream side.
Some constructions are available with an optional foamed continuous seal on one or both sides, with a
test groove seal on the upstream side, or with a protection grid, fitting as required.
Special characteristics
Leakage test, standard for all particulate filters of filter class H13
Materials and surfaces
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Page d'accueil > Produits > Filtres et médias filtrants > Filtres plissés absolus
> Cellules filtrantes plissées opacimétriques > Type DFH
Filter media made of high-quality, moisture-resistant glass fibre papers, pleated
Spacers made of profiled aluminium foil provide a uniform spacing of the pleats
Joint sealing compound made of permanently elastic two-component polyurethane adhesive
Frame made of either MDF, galvanised sheet steel, or stainless steel
Construction
MDF: Frame made of MDF
GAL: Frame made of galvanised steel
STA: Frame made of stainless steel
Sizing data
Filter class
Volume flow rate [m³/h]
Initial differential pressure [Pa]
Nominal size [mm]
ORDER CODE
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