Class H vacuum cleaner

Class H vacuum cleaner: characteristics and area of use

Appropriate personal protection against asbestos is essential

Professional Class H vacuum cleaner brands

Nilfisk Class H vacuum cleaner

The strengths of Nilfisk Attix Classe H

Numatic H-Class Vacuum Cleaner

How the DOP TEST is carried out

1. The vacuum cleaner equipped with the HEPA filter to be tested is positioned inside the test chamber. 2. Once the vacuum cleaner is connected and turned on, the test chamber is sealed.
3. At the other end of the test chain, a Sodium Chloride solution is sprayed at approximately 7 bars in the form of an aerosol.
4. The tiny droplets will gradually move towards the test chamber through the suction of the device.
5. As it passes through the long tube, the fog formed from Sodium Chloride will dry out to leave only sodium chloride crystals 0.3µ in diameter.
6. At the heart of this test is a Hydrogen Flame Photometer which allows testing of the air circulating during operation.
7. By measuring the concentration of Sodium Chloride crystals present in the air sucked in and expelled by the vacuum cleaner, an exact calculation of the filtration level of the device is made.
8. Each result is individually reported on a test certificate that validates a particle filtration level from 0.3µ to more than 99.995%. This certificate of conformity is attached to the tested device.

Frequently asked questions about the H-class vacuum cleaner

What is a class H vacuum cleaner?

Class H vacuum cleaners are classified as industrial vacuum cleaners, designed to vacuum dust and debris that pose a high health risk. They are classified according to strict European standards for their ability to filter the finest particles. Class H corresponds to the highest level of filtration, with a minimum efficiency of 99.995% for particles smaller than 1 micron.

What types of dust can a class H vacuum cleaner vacuum?

Class H vacuum cleaners are specially designed to vacuum the finest and most hazardous dust, such as:
• Carcinogenic dust (asbestos, lead, etc.)
• Mold spores
• Mineral fibers
• Very small particles (flour dust, etc.)
They are therefore essential for work involving the handling of hazardous materials , such as the removal of asbestos, interventions in hospitals or milling activities.

What are the standards for class H vacuum cleaners?

Class H vacuum cleaners must meet very strict regulatory requirements, defined at the European level. In particular, they must comply with the following standards:
• Standard EN 60335-2-69: Safety specifications for industrial and domestic vacuum cleaners for the suction of hazardous dusts
• EN 1822 standard: Very high efficiency air filters (EPA, HEPA and ULPA)
These standards govern filtration performance, safety of use and verification tests to be carried out on these devices.

What maintenance is required for a class H vacuum cleaner?

Regular maintenance of a Class H vacuum cleaner is essential to maintain its performance and safety of use. Here are the main steps to follow:
1. Empty the waste collection tank after each use
2. Clean filters according to the manufacturer's recommendations (usually every 6 months)
3. Check for damage to hoses, nozzles and other accessories
4. Carry out periodic safety checks (leak test, air flow check, etc.)
5. Follow the manufacturer's recommendations for maintenance and replacement of parts
Neglected maintenance can lead to a reduction in filtration efficiency and even risks of dust dissemination.