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What Should We Know After Finished Install HEPA Filter
HEPA Filter structure:
Frame, gasket, filter media, spacer, glue, hot-melt spacer,
protective net, PU foam.
The ULPA/HEPA/EPA filter life and maintenance
A: General speaking, if the filter finally pressure is double or triple than
primary pressure, it is time to change a new air filter.
B; please check and test the area clean class, the test date should satisfy
with workshop require.
C: if you often change the pre-filter or secondary filter, it can prolong the
HEPA filter life.
Problem and solution:
There is some particular when you scan
1:the surface of media has particular
2: the frame have small
1: with the air blow
the filter for a while,
the particular will take
2: repair glue
After installing in clean
room, we find there air
1; the gasket was broken
2: the installation frame or
air hole has small leakage
1: change the gasket.
2: check the install frame and air hole. proof it with glue.
After finishing installation,
the clean room system
can not reach requirement in test.
1. Clean room inside is
2. The system pressure is
Increase air flow in
Find there is a lot of air
The filter is damaged
The air system supply
enough rating air flow, but
air velocity is still small
The filter reached its rating
capacity for dust holding
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