HEPA / ULPA Filters

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Replaceable HEPA and ULPA Filters Ceiling Module For Pharmaceutical Clean Room(Gel-Sealed Type)

  • Operating Conditions:

    Continuous operating temperature: Max. 80°C Operating relative humidity: ≤100 (%RH)
  • Box Casing:

    Material: Epoxy powder coated SPCC
  • Damper:

    Material: Epoxy powder coated SPCC
  • Filter Efficiency (EN1822:2009) :

    H13, H14, U15, U16
  • Faceguard:

    Material: Stainless steel (SUS 304) / epoxy powder coated SPCC / epoxy powder coated aluminium
  • Filter Brackets:

    Material: Galvanized steel
  • Optional Accessories :

    Thermal insulator: PE
  • Applications:

    Pharmaceutical、Laboratories、Healthcare 、Hospital、General
High efficiency particulate air (HEPA) filters and ultra-low particulate air (ULPA) filters are air filters designed to trap a vast majority of very small particulate contaminants from an air stream.

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  • Product Details

Wiskind——The role of high efficiency filters in clean rooms


Clean room enclosure system is composed of clean room wall panel system, ceiling system, door, window and clean room equipment.Today's clean room has been widely used in electronics, aerospace, machinery, chemical, pharmaceutical, food, medical, biological engineering......All walks of life.Moreover, with the rapid development of national economy and scientific research, the application of air shower and clean room will be more and more extensive and important.


High efficiency air filter HEPA (high efficiency particulate airfilter), under the rated air flow, the particle size is greater than or equal to 0.3 microns particle capture efficiency is above 99.9% and the airflow resistance in the air filter under 250 pa.

Ultra low penetration airfilter (ULPA), an airfilter used to penetrate particles of particle size 0.1-0.2m with a penetration efficiency above 99.999% and air resistance below 280Pa at rated air volume.


Cleanroom Sandwich Panel


In order to ensure the filtration efficiency of the filter and the cleaning effect of the cleaning system, the high efficiency filter installation must comply with the requirements of clean room construction and acceptance code or design drawing.


1. Preparation before installation in order to prevent hepa from being polluted, the air cleaning system must be installed after the unpacking inspection and installation. The air conditioner, hepa box, air duct and clean room must be cleaned.Before installation, check the flatness of the end face of the filter frame or edge mouth, and the allowable deviation of the flatness of the end face should be no more than 1mm each.


If the flatness of the end surface exceeds the allowable deviation, only the frame end surface of the filter installation is allowed to be modified or adjusted, and the outer frame of the filter itself is not allowed to be modified, otherwise the filter material or sealing part in the filter will be damaged, reducing the filtering effect.


2. Installation requirements when installing hepa filters, ensure that the direction of airflow is consistent with the arrow mark on the outer frame.High efficiency filters assembled with corrugated plates must be vertically mounted, not in reverse.The high efficiency filter and the frame of the assembly high efficiency filter are usually sealed by the jacking method and the pressing method.


Graph of Initial Pressure Drop versus Face Velocity


Graph of Initial Pressure Drop versus Face Velocity


Air Inlet Collar and Damper Dimension


Air Inlet Collar Diameter (mm)

Air Inet Collar Standard Height (mm)

Damper Standard Height (mm)

¢ 250

60
230

¢ 300

60
280

¢ 350

60
330

¢ 400

60
430


Product Specifications


Filter Dimension

Casing Dimension

(Top Air Inlet)

Casing Dimension

(Side Air Inlet)

Air Flow

at 0.75m/s

Air Inlet

Collar Diameter

Rectangular Inlet 

Collar Dimension

Filter Initial 

Pressure Drop

L×W×H(mm)

L×W×H(mm)

L×W×H(mm)

(m3/h)

(mm)

(mm)

PAO H13(Pa)

PAO H14(Pa)

430×430×80 

500×500×280 

500×500×450 

500
250
200x200
180
205

430×430×100 

500×500×300 

500×500×450 

500
250
200x200
150
170

610×610×80

680×680×280 

680×680×450 

1000
300
300x200
180
205

610×610×100

680×680×300

680×680×450 

1000
300
300x200
150
170

915×610×80

985×680×280

985×680×450

1500
350
400x200
180
205

915×610×100 

985×680×300

985×680×450 

1500
350
400x200
150
170

1220×610×80

1290×680×280

1290×680×450

2000
350
500x200
180
205

1220×610×100

1290×680×300 

1290×680×450

2000
350
500x200
150
170

1220×915×80 

1290×985×280 

1290×985×450 

3000

Φ300*2 / Φ450*1

630x200
180
205

1220×915×100

1290×985×300

1290×985×450

3000
Φ300*2 / Φ450*1
630x200
150
170


Remarks:  

1. Side air outlet model only available with square port.

2. Dimensions above is suitable for mechanical-sealed and design with PAO testing port.

3. Tolerance of performance initial pressure drop is ± 10%.


Each type air filter in use after a period of time, due to capture the various filters filter material surface dust, so that the filtering efficiency of air filter and air filter resistance to drop, affects the central air conditioning unit or clean engineering supporting efficient delivery of air supply outlet, cleanliness and efficiency, the need to replace the air filter in time, to ensure that the air cleanliness requirements. 


All kinds of air filters and hepa filters are not allowed to tear or open the packaging bags or film by hand before installation.Air filters should be stored in strict accordance with the direction standards marked on the hepa packing case.In the process of hepa filter handling, should be handled, put, avoid violent vibration and collision.

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