Cleanroom also known as clean workshop, refers to the removal of particulates, harmful air,  bacteria and other pollutants in the air within a certain range, and the control of indoor temperature, cleanliness, indoor pressure, airflow velocity and airflow distribution, noise, vibration and lighting,  and static electricity within a certain demand range, while giving a specially designed room.

General speaking, if the filter finally pressure is double or triple than

primary pressure, it is time to change a new air filter. General speaking, if the filter finally pressure is double or triple than

primary pressure, it is time to change a new air filter.

please check and test the area clean class, the test date should satisfy

with workshop require.

HEPA Filter Installation conditions：

1: the hepa filter should be installed in constant temperature, constant pressure

and constant humidity environment. If you need fix in special environment,

(such as high temperature, high humidity), please choose special HEPA filter.

Terrible environment will reduce filter life. Even if can not work well, please

check the media and the frame if all right before install. Otherwise please

Product Character and usage:

ULPA /HEPA/EPA filter (abbreviation: air filter) : a purification spare part effect for

0.3um particle or 0.12um particle, the filtration effective more than 99.95% -

99.9995%, it used for electronic, pharmacy, food, beverage , precise

instrument, cosmetics ,field and so on. The product transit and use must be

How To Calculate Clean Room Purification According The HEPA Filter Box Air Flow



According to the GBJ73-84 Standard, the HEPA filter units air speed multiply the area is HEPA filter units totally air flow.

The clean room totally air flow divide by the clean room volume can get the air change times.

But according to the 5.1.4 item: the clean room should have enough fresh air,

the figure depened on the max air flow:

A: The two door interlock set: (TC)Finished the internal door set, press the air shower button within 5 mints,
come into the two door interlock delay time program (TC), then press the UP/Down button for set the time, the range is 0-60second,after finished the adjust, press the air shower button entrance next step,5 seconds without any touch for the button, the system will be save the parameter and exit program.

1: Once the air shower finished install,It is hard to move the cabinet more, because it easy cause the air shower room deformation.
2: It need regular check and maintain for air shower room door, electric locker need aim at the locker hole in case the pin was choked.

Air shower time set:Before the air shower room working or finished work , you can press the UP/DOWN button for change the air shower time, the range is from 2-99second, the system display the two figure,5Second after you change it, the system will be save your parameter automatic

How To Maintain Cleanroom Air shower Or Air Shower Tunnel?Usually, it‘s a make someone headache problem that customer service for air shower room. As an equipment or machine working in very day,
special like air shower or air shower tunnel, it can’t escape the same problem in finally.
Because there is no unified standard in this field, Different air shower room have different configuration

According to the different request from different occasion choose the air filter in right efficiency.
General speaking! The finally HEPA filter decide the clean room purification rank.
But the primary air filter can protect the finally air filter and prolong the use life.
Decrease the maintenance fees. Ensure the air conditioning system work without any problem.

1: Primary air filter:
A: Active carbon air filter : air conditional ventilation system for peculiar smell ,harmful
gases,(such as benzene, formaldehyde, ammonia ) and absorb solvent.
B: High temperature primary air filter: the normal per-filter, hot air type high temperature
oven, high temperature oven coating factory,
C: Nylon air filter: centralized air conditional, home air conditional preset air filter,
special acid , alkali ventilation filter.
D: Mesh air filter:

1: Primary air filter:
Application: ventilation and air handing equipment per-filter or fresh air system per-filter.
Characteristics: you can replacement the air filter by yourself, usually the cardboard air filter is disposable type.
2: Pleats air filter:
Application: ventilation system per-filter, electric, pharmacy, food, petro oil, chemical industry, metallurgy, mechanical
instruments air purification field and so on.
Characteristics: high efficiency, high capacity