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The liquid tank sealed high-efficiency filter is mainly composed of filter media, aluminum alloy frame, folding structure, sealant and liquid tank structure.
Different from ordinary gasket seal filters, the liquid tank seal filter has a seal groove on the installation frame, and the filter edge is inserted into the sealant groove to form a continuous sealing interface.
Clean air supply system → Liquid tank installation frame → Liquid tank seal → HEPA filter → Clean air
This structure is particularly suitable for use in clean environments where there are clear requirements for filter peripheral sealing and air bypass control.
The liquid tank seal filter usually has a knife edge or sealing edge on the filter frame, and the knife edge enters the liquid tank sealant during installation.
Filter knife edge → Insert liquid tank sealant → Form a continuous sealing interface → Reduce installation gaps
The liquid tank seal does not simply rely on the compression gasket to form a seal, but the sealing medium in the liquid tank cooperates with the filter edge. Therefore, when designing the filter and installation frame, it is necessary to confirm the liquid tank size, knife edge size, filter height and installation direction at the same time.
Aili Industry can confirm the filter size, frame thickness and sealing form according to the installation structure of the clean equipment.
project |
Configuration |
project |
Configuration |
|---|---|---|---|
filter material |
Glass fiber filter material, PTFE filter material |
filter level |
H13, H14, etc. |
frame |
Aluminum alloy profiles |
surface treatment |
Oxidation treatment, etc. |
separation method |
hot melt glue |
Perimeter sealant |
Polyurethane, etc. |
Tank seal |
Liquid tank sealant |
protection net |
Double-sided plastic spray steel mesh |
Structural form |
Top liquid tank, side liquid tank |
size |
Can be customized according to the project |
Liquid tank seal → continuous sealing structure
The filter edge cooperates with the liquid tank sealant to form a continuous sealing interface, which is suitable for clean air systems that require sealing of filter installation.
Aluminum alloy frame → structurally stable
Aluminum alloy profiles are used as the filter frame, and the specific profile specifications can be determined based on the filter size and equipment installation structure.
Densely pleated filter media → provides a larger filtering area
A larger effective filtration area is formed by folding the filter material, and the corresponding structure is determined according to the filtration grade, size and design air volume.
Multiple filtration levels→match different cleanliness requirements
Products can choose high-efficiency filtration grades such as H13 and H14 according to project requirements, or the filter grade can be confirmed based on specific testing standards.
Top liquid tank structure → suitable for top installation
The top liquid tank filter is suitable for some vertical laminar flow and clean room top air supply systems. The filter is installed into the liquid tank frame from above.
Side liquid tank structure → suitable for lateral installation
The side liquid tank structure can be configured according to the equipment space and installation direction, and is suitable for different clean equipment structures.
Liquid tank seals and gasket seals are both common installation sealing methods for high-efficiency filters, but their structures are different.
Compare items |
Tank seal |
gasket seal |
|---|---|---|
Sealing method |
Knife edge inserted into liquid tank sealant |
Gasket compression |
Installation structure |
Requires matching tank frame |
Requires supporting compression structure |
sealing interface |
Continuous tank seal |
gasket contact seal |
Common applications |
Clean rooms, laminar flow systems, critical areas |
FFU, clean equipment, air duct end, etc. |
Key points in selection |
Liquid tank, knife edge, sealant, dimensions |
Gasket size, compression method, filter size |
There is no fixed applicable scenario division between the two methods. The actual choice mainly depends on the clean room design, installation framework and project technical requirements.
The liquid tank of the top liquid tank high-efficiency filter is located at the top of the filter installation structure, and the liquid tank is entered from above when the filter is installed.
Clean room ceiling → liquid tank installation frame → top liquid tank filter → clean air
This structure can be used in some vertical laminar flow systems, clean room end air supply systems and other clean equipment that require liquid tank sealing.
According to existing product information, the top liquid tank structure can provide different thickness specifications, such as 610×610×81mm, 610×610×104mm and other size configurations, and also supports non-standard size adjustment. The actual air volume, resistance and filtration level need to be confirmed according to the specific product.
The liquid tank structure of the side liquid tank high-efficiency filter is located on the side of the filter, which is suitable for scenarios where the installation space and equipment structure are limited.
Air supply equipment → Side liquid tank filter → Clean area
When designing the side liquid tank filter, it is necessary to focus on confirming the installation direction of the filter, the position of the liquid tank, the size of the knife edge, and the internal space of the equipment.
H13 liquid tank seal filter is suitable for clean air treatment systems that require high-efficiency particle filtration.
Common applications include:
Clean room → FFU → Laminar flow hood → HEPA BOX → Local clean equipment
The specific filtration efficiency should be confirmed according to the adopted testing standards and testing conditions. It is not recommended to only use the efficiency value at a single particle size to judge the filter grade.
H14 liquid tank seal filter is used in clean environments with high requirements for air particle control.
H14 filters are used in clean environments such as semiconductors, electronics, medicine, and biological laboratories. When making the actual selection, you need to consider the filtration level, air volume, initial resistance, filter size and liquid tank installation structure at the same time.
Parameter items |
Product configuration |
|---|---|
Product name |
Liquid tank seal high efficiency filter |
filter level |
H13, H14, etc., can be confirmed according to the project |
filter material |
Glass fiber filter material, PTFE filter material |
frame |
Aluminum alloy profiles |
frame handling |
Surface oxidation treatment, etc. |
separation method |
hot melt glue |
Perimeter sealant |
polyurethane |
Tank seal |
Liquid tank sealant |
protection net |
Double-sided plastic spray steel mesh |
Structure type |
Top liquid tank, side liquid tank |
Reference rated surface wind speed |
0.45m/s |
size |
Standard size, non-standard size |
OEM/ODM |
support |
The following are some reference specifications of the top liquid tank and side liquid tank in the existing product data. The specific air volume and resistance will be affected by the filtration grade, filter material, filtration area and actual surface wind speed. Formal projects should be subject to the final technical confirmation parameters.
structure |
Overall dimensions W×H×D |
Reference air volume |
H13 initial resistance |
H14 initial resistance |
H15 initial resistance |
|---|---|---|---|---|---|
Top liquid tank |
610×610×81mm |
600m³/h |
105Pa |
110Pa |
120Pa |
Top liquid tank |
570×1170×81mm |
1080m³/h |
105Pa |
110Pa |
120Pa |
Top liquid tank |
610×610×104mm |
600m³/h |
70Pa |
80Pa |
90Pa |
Top liquid tank |
570×1170×104mm |
1080m³/h |
70Pa |
80Pa |
90Pa |
Side tank |
610×610×70mm |
525m³/h |
105Pa |
110Pa |
120Pa |
Side tank |
570×1170×70mm |
970m³/h |
105Pa |
110Pa |
120Pa |
Side tank |
610×610×93mm |
525m³/h |
70Pa |
80Pa |
90Pa |
Side tank |
570×1170×93mm |
970m³/h |
70Pa |
80Pa |
90Pa |
Side tank |
610×610×117mm |
525m³/h |
60Pa |
65Pa |
70Pa |
Side tank |
570×1170×117mm |
970m³/h |
60Pa |
65Pa |
70Pa |
The above parameters are reference values in the product information. Different filter structures, filtration levels, surface air speeds and filter material configurations will produce different resistance and air volume data.
Application industry |
Application area |
Main needs |
Recommended to consider |
|---|---|---|---|
semiconductor |
Wafer manufacturing, clean room |
Particle control |
H14, liquid tank seal |
Electronic manufacturing |
Precision electronic production |
Clean air supply |
H13/H14 |
display panel |
LCD, OLED clean area |
end filter |
H13/H14 |
medicine |
GMP clean area |
Clean air treatment |
H13/H14 |
biology laboratory |
Clean experimental area |
air particle control |
H13/H14 |
Optics |
Precision optical manufacturing |
Particulate Control |
H13/H14 |
laminar flow hood |
Vertical laminar flow work area |
end filter |
Tank seal |
clean room |
Top air supply system |
Terminal filtering |
Top liquid tank |
FFU system |
FFU end air supply |
High efficiency filtration |
Select according to fan parameters |
HEPA BOX |
Air supply box end |
sealed filtration |
Liquid tank/knife edge structure |
The liquid tank sealed high-efficiency filter can be used as a terminal filter component according to the FFU structure.
FFU project selection should not only look at the filter size, but also need to consider the fan's static pressure, design air volume, filter resistance and clean room wind speed requirements.
FFU fan → Fan static pressure → Liquid tank seal filter → Terminal air supply
If a liquid tank structure is adopted, the dimensional relationship between the liquid tank frame and the filter needs to be determined in advance during the FFU design stage.
For projects that require FFU to be matched with liquid tank seal filters, Aili Industry can combine its own production capabilities of FFU, fans, filters and control systems, and match them based on the overall structure of the equipment. It is suitable for non-standard FFU, clean room terminal air supply and equipment integration projects.
HEPA BOX high-efficiency air supply inlet is usually installed at the end of the clean room air supply system to install high-efficiency or ultra-high-efficiency filters.
The liquid tank sealing structure can be configured according to the HEPA BOX installation frame.
Air duct → HEPA BOX → Liquid tank seal filter → Clean room
When designing HEPA BOX, you should simultaneously confirm:
Box size → Liquid tank position → Knife edge size → Filter size → Filtration level → Design air volume
If the filter and the box are not of the same design system, it is easy to cause the problem of mismatch between the filter size and the liquid tank frame. Therefore, it is recommended to confirm it simultaneously during the equipment design stage.
When selecting a liquid tank sealed high-efficiency filter, you can confirm in the following order:
Cleanliness requirements → Filtration level → Design air volume → Filter size → Liquid tank structure → Frame size → Sealant → Initial resistance → Testing requirements
For semiconductor and precision electronics projects, further confirmation is needed:
Cleanliness level → Process area → Installation height → Wind speed requirements → Particle control requirements → Filter testing requirements
For medical and biological laboratory projects, the filter configuration needs to be determined based on the actual clean area, air supply system and relevant design specifications.
Aili industrial liquid tank seal HEPA high-efficiency filter can be customized according to the project installation conditions.
Customized items |
Optional content |
Customized items |
Optional content |
|---|---|---|---|
filter level |
H13, H14, etc. |
size |
Length×width×height |
filter material |
Glass fiber, PTFE, etc. |
frame |
Aluminum alloy, etc. |
Liquid tank structure |
Top liquid tank, side liquid tank |
Sealing method |
Liquid tank, knife edge, etc. |
filter thickness |
Determine according to installation space |
Air volume |
Confirm based on system design |
protection net |
Sprayed steel mesh, etc. |
Package |
Configure according to transportation requirements |
For non-standard projects, it is recommended to provide the original filter size, equipment installation diagram or liquid tank frame size to confirm the filter's overall dimensions and sealing structure.
When purchasing a liquid tank seal high-efficiency filter, it is recommended to provide the following information:
Filtration level → H13/H14 → Filter size → Design air volume → Installation method → Liquid tank structure → Frame material → Usage environment
If you are replacing the original filter, you can also provide:
Original filter photo → Length, width and height dimensions → Liquid tank frame dimensions → Original product model → On-site installation dimensions
Aili Industrial can assist in confirming product structure and specifications based on this basic information.
Before installation, it is necessary to check the appearance, frame, filter material and liquid tank sealing structure of the filter.
Check the filter → Check the installation frame → Check the liquid tank sealant → Align the installation direction → Install smoothly
During the installation process, prevent the filter material from being hit, squeezed or scratched.
For the liquid tank sealing structure, it is also necessary to ensure that the filter blade can enter the sealing groove according to the designed depth, and check whether the sealing interface is complete.
After the installation is completed, relevant leak detection and cleanliness testing can be carried out according to project requirements.
There is no fixed replacement cycle for filters that applies uniformly to all projects.
The actual replacement time is related to the following factors:
Upstream air quality → Dust load → Operating time → System air volume → Filter resistance → Clean room monitoring data
Therefore, it is recommended to perform maintenance in conjunction with filter resistance changes and clean room operating data, rather than just replacing them on a fixed monthly basis.
Aili Industry has the production and supporting capabilities of filters, fans, FFU, EFU and related purification equipment. Liquid tank sealed high-efficiency filters can be customized according to the structure of clean rooms, FFU, HEPA BOX and local purification equipment.
From the perspective of the filter itself, the filter material, filtration level, frame, size and sealing method can be determined according to the project; if the filter needs to be matched with FFU or other purification equipment, it can be further combined with the fan air volume, static pressure and control system for overall matching.
Filter → Fan → FFU/HEPA BOX → Control system → Clean air supply
For non-standard sizes, special liquid tank structures, and projects that need to be matched with existing clean equipment, equipment drawings or filter sizes can be provided during the planning stage for further confirmation by technicians.
What is a liquid tank seal high efficiency filter?
The liquid tank seal high-efficiency filter is a high-efficiency air filter installed with a liquid tank seal. The filter edge and the liquid tank sealant cooperate to form a continuous sealing structure.
What is the difference between a tank seal filter and an ordinary HEPA filter?
The main difference is the way the seal is installed. Ordinary HEPA filters can be sealed with gaskets, while tank seal filters are sealed by inserting a knife edge into the tank sealant.
What scenarios are liquid tank seal filters suitable for?
Commonly used in clean rooms, vertical laminar flow systems, laminar flow hoods, FFU, HEPA BOX, semiconductors, electronic manufacturing, medicine and laboratories, etc.
Can tank seal filters be used with FFU?
Yes, but it needs to be matched according to the FFU box structure and liquid tank installation frame, and the air volume, static pressure and filter resistance must be checked at the same time.
Can tank seal filters be used in HEPA BOX?
Can. HEPA BOX can be configured with a liquid tank installation frame according to the filter structure. The specific dimensions of the box and filter need to be confirmed.
What is the difference between top liquid tank and side liquid tank?
The main difference is the location of the liquid tank and the installation direction of the filter. The top liquid tank structure is suitable for some top installation scenarios, while the side liquid tank is suitable for specific side installation structures.
What are the filtration levels of tank seal filters?
Aili Industrial product information can be configured with high-efficiency filtration levels such as H13 and H14, and other filtration levels can also be further confirmed according to project requirements.
Can PTFE filter material be used in liquid tank seal filters?
Can. Depending on the product configuration, PTFE filter material can be used. The specific requirements need to be confirmed based on the filtration grade, air volume and resistance requirements.
What material is the tank seal filter frame made of?
The common configuration is aluminum alloy profiles, and other frame materials can also be confirmed according to the project installation conditions.
Can the liquid tank seal filter be customized in size?
Can. The length, width, height, thickness, frame and sealing structure of the filter can all be confirmed based on the actual equipment installation conditions.
What is the air volume of the tank seal filter?
Air volume depends on filter size, filter area, face velocity and filtration grade. You cannot just judge based on a fixed value, you need to confirm based on the specific model.
What is the resistance of the tank seal filter?
The initial resistance is related to the filter material, filter grade, size, surface wind speed and filter area. The specific value should be based on the test data of the corresponding model.
Can liquid tank seal filters be used in semiconductor clean rooms?
Can. The liquid tank sealing structure is suitable for some semiconductor clean rooms and related equipment that require installation and sealing of end filters.
Can liquid tank seal filters be used in pharmaceutical clean rooms?
It can be configured according to the design requirements of the pharmaceutical clean room. The filtration level, sealing structure and testing requirements need to be determined based on the specific project.
Does the tank seal filter need to be leak tested?
For clean rooms and key process areas, relevant leak detection can be carried out according to the project acceptance requirements. The specific detection methods and standards should be confirmed in the project technical conditions.
How often should the sump seal filter be replaced?
There is no unified fixed period and should be determined based on filter resistance, clean room monitoring data, system air volume and actual operating conditions.
What do I need to provide when purchasing a liquid tank seal filter?
It is recommended to provide information such as filtration level, filter size, design air volume, installation method, liquid tank structure, frame size and usage environment.
Can Aili Industrial make non-standard liquid tank seal filters?
Can. Aili Industrial can customize the filter size, thickness, filtration grade, frame and sealing method according to the equipment structure.
Can the liquid tank seal filter be matched with the Aili Industrial FFU?
Can. According to the FFU box, fan parameters and filter size, the liquid tank seal filter and FFU can be designed together.
If you are choosing H13/H14 liquid tank sealed high-efficiency filter, you can directly provide the following information:
Filtration level → H13/H14
Dimensions → length×width×height
Air volume → m³/h
Installation method → Top liquid tank/side liquid tank
Frame→Aluminum alloy/other
Filter material→ Glass fiber/PTFE
Usage environment → temperature/humidity/cleanliness level
Aili Industrial can assist in confirming the specifications and supporting solutions of liquid tank sealing high-efficiency filters based on the actual installation conditions of clean rooms, FFU, HEPA BOX or other purification equipment.