Laminar Air Flow Cabinets

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Laminar Air Flow Cabinets

Laminar air flow cabinets are designed to create a particle-free working environment. Air is taken through a filtration system and then exhausted across a work surface in a laminar or unidirectional air stream. The filtration system compromises of a pre-filter and one or more HEPA filters. The air within the laminar flow hood is thus filtered of many particles creating a working zone for many applications in the medical, electronic and industrial sectors. In industry these are often called Clean Benches as the air is effectively 'cleaned' by filtration

HEPA filters are integral to laminar air flow cabinets. The European standard EN 1822 has superseded all national standards such as BS 3928, DIN 24184 or AFNOR NF X44-013. Telstar supply EN 1822 HEPA filters to all their cabinets.

If you are working with pathogens - you need to use a special type of laminar air flow cabinet, which is the Biological Safety Cabinets - see our Buyers Guide for this product line.

If you are working with Dangerous chemicals do not use laminar air flow - HEPA filters do not filter fumes - see our Fume Cupboards Buyers Guide.

 

Call... Enquire...
Call Progen Scientific to discuss your requirements on 020 85422283 Click here to make an enquiry online about laminar air flow cabinets.

 

There are different configurations of Laminar Air Flow Cabinets:

 

1) Horizontal Laminar Air Flow Cabinets - Telstar H100 series

 

Laminar
            Air
            Flow
            Cabinets Image.Typical Applications:

Medical - Microbiology, Pharmacy, IVF

Electronics - Dust elimination

Food - QC labs, Microbiology

Pharmaceutical - Clean air applications

Nanotechnology

 

This Product is designed to give maximum product protection. The air is drawn in from the top via a pre-filter. This removes larger particles giving longer life to the HEPA filter. The air then moves into the plenum (an enclosed space in which the air pressure is higher than outside) and from there to the outside through the HEPA filter

All models are supplied with working area Class 10 as defined by U.S.Fed. Std. 209 and B.S. 5295.

 

Progen supply Telstar Horizontal Air Flow Cabinets

Things to consider when considering purchase:

Horizontal Laminar Air Flow Cabinets give only Product Protection. If any operator protection is needed these are not suitable.

Air is blown horizontally at the operator.

If a large piece of equipment is enclosed in the cabinet this will obstruct air from immediately in front of it. In this case a vertical flow unit may be preferable. See below.

Internal Size:

  • Telstar MINI H Width 745mm
  • Telstar AH-100 Width 1200mm
  • Telstar MH-100 Width 1505mm
  • Telstar BH-100 Width 1810mm

Benefits of the Telstar H-100 range:

  • High Quality Steel construction
  • Filter Change from inside the cabinet
  • Stainless Steel work-surface
  • Removable and U.V. resistant tempered glass sidewalls
  • Optional UV Light
  • Fluorescent Lighting
  • Electrical power socket inside the cabinet
  • Quality Control Certification for every cabinet with test results according to International Standards.

 

2) Vertical Laminar Air Flow Cabinets - Telstar V-100 and V30/70 series

 

 

There are two main types of Vertical Laminar Air Flow Cabinets

100% Downflow - Telstar V-100

This type of Cabinet draws air in through the top of the unit through a pre-filter, through a plenum and vertically down over the work-surface and past the lap of the operator. This gives 100% product protection.

It has the advantage of not pushing air into the face of the operator as in a horizontal laminar flow cabinet and also large pieces of equipment do create non-clean zones.

The operator has to work through a 200mm gap at the front. This is essential if full laminarity of the air is required.

30/70 Airflow - Telstar V30/70

This type of cabinet gives both product protection and a degree of operator protection.

The airflow is similar to that of a Class II Biological Safety Cabinet. It does not pass the requisite standards though and must not be used with pathogens!!

 

Air Flow
            Cabinets
            Image.70% Re-circulated

30% Exhausted

30% Drawn in front grille

Creates a curtain of air between operator and product

 

This unit has an exhaust HEPA filter ensuring all air passing through the cabinet is filtered before release into the environment

 

Progen Supply Telstar Vertical Air Flow Cabinets

 

Things to consider when considering purchase:

Do you need any operator protection? If yes - choose the V-30/70

Laboratory benching must be able to take weight of unit - typically 100-200Kg

Unit must not overhang benching - Units are top heavy - all the fans are above the work-surface

Internal Size:

  • Telstar PV-100 Width 772mm
  • Telstar AV-100 Width 1230mm
  • Telstar BV-100 Width 1535mm
  • Telstar CV-100 Width 1840mm
  • Telstar PV-30/70 Width 772mm
  • Telstar AV-30/70 Width 1230mm
  • Telstar BV-30/70 Width 1535mm
  • Telstar CV-30/70 Width 1840mm

Benefits of the Telstar V-100 and V-30/70 ranges:

  • All models are supplied with working area CLASS 10 as defined by U.S.
  • Fed. Std. 209 a B.S. 5295.
  • High Quality Steel construction
  • Filter Change from inside the cabinet
  • Polished stainless steel working surface divided in
  • three parts easily removable for sterilizing.
  • Removable side walls and front window with gas
  • springs, both made of U.V. resistant tempered glass.
  • Optional UV Light
  • Fluorescent Lighting
  • Electrical power socket inside the cabinet
  • Quality Control Certification for every cabinet with test results according to International Standards

 

Telstar Mini V PCR Laminar Air Flow Cabinets

Telstar have now produced a specific small personal Laminar Flow Cabinet designed for the explosion in PCR work now performed in so many laboratories.

Telstar Mini
            Laminar
            Air Flow Cabinets Image.Fully Exhausted Air

Built in UV Light

Small footprint

Internal socket

 

Call... Enquire...
Call Progen Scientific to discuss your requirements on 020 85422283 Click here to make an enquiry online about laminar air flow cabinets.

 

 

See our range of Laminar Air Flow Cabinets

See our other Laboratory Equipment Buyer's Guide


 
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