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SRA 1200 filtration system

ULT AG offers its extraction and filtration system, the SRA 1200, in different models and in conjunction with FLEXTRACTOR extraction arms. The comprehensive solution provides users a one-stop-shop for the removal of hazardous welding fume. 

The SRA 1200 is suited for capturing and filtering dry, non-combustible welding fumes in non-explosive air mixtures. The system is available in various designs either as a storage filter or a cartridge filter unit. The device model to be utilised is determined by the amount of welding fume being created and its physical and chemical composition. In close consultation with the customers, ULT’s experienced experts help to select the most appropriate system.

Add-on filter units and adsorbents are available as complementary parts for all system variants. In the cartridge filter systems, there is installation space for additional post-filters to increase filtration rate. Storage filter units, which guarantee a separation efficiency of 99.95%, may be equipped with activate carbon to filter gases and vapours.

There are FLEXTRACTOR extraction arms in the diameters of 75 to 200 mm for radii of one to eight meters.  Depending on utilisation, they are provided as articulated, mini or telescopic arms. Application-specific capturing elements and mounting brackets round off the comprehensive solution for welding fume extraction.

Consequently, ULT  provides an ideal solution as a main source for various application scenarios for welding processes.

The company has also introduced the LAS 300.81-HFM054, an ATEX certified extraction and filtration unit with H class filtration that is suited for the removal of combustible dusts. 

The unit is classified as a dust extractor according to filter class H, corresponding to dust technical approval tests and meeting DIN EN 60335-2-69. The system is perfectly suited for extraction and filtration of dry dust particles with TLV < 0.1 mg/m³ (Threshold Limit Value) as well as carcinogenic emissions.

Additionally, the LAS 300.81-HFM 054 is an extraction and filtration system for combustible dusts according to dust explosion category 1 and explosive dust-air mixtures that are neither self-ignitable nor pyrophoric. The Ex unit of group II, category 1D is compliant with ATEX directive 94/9/EG. 

The unit has been developed for extraction and filtration of dry dusts that occur during laser processing such as cutting, engraving or structuring. The LAS 300 series system features a combination of cartridge and storage filters. The filter elements’ material ensures an efficient separation of various particulate matters. 

The system’s main filtration module consists of two class M cartridge filters with optional Teflon coating, which are jet stream cleaned at regular intervals. The pneumatic dedusting guarantees an extremely high endurance of the main filter. A HEPA filter H14 is utilised as a secondary filter, ensuring a separation rate significantly higher than 99.995%. 

The stationary extraction and filtration unit is equipped with stepless volume flow control, filter condition indicator and interface for control by means of external systems. It complies with statutory dust limits, efficiently protecting employees, systems and products from air-borne pollutants that occur in material processing through laser technology.

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