itifex aspiratori ventilatori componenti

Reference Standards and Certifications

The definition of fans, their direction of rotation, the conventional designation of the positions of the discharge port of a centrifugal fan and the design specifications and the positions of the motor with respect to the fan are defined according to the standard ISO 13349:2009.

This standard includes definitions for:

INSTALLATION CATEGORY A:

installation with free inlet and free outlet with a partition (ISO 5801 and ISO 5802)

INSTALLATION CATEGORY B:

installation with free inlet and ducted outlet (ISO 5801 and ISO 5802)

INSTALLATION CATEGORY C:

installation with ducted inlet and free outlet (ISO 5801 and ISO 5802)

INSTALLATION CATEGORY D:

installation with ducted inlet and ducted outlet (ISO 5801 and ISO 5802)

ITIFEX standard fans are suitable for a category D configuration; when purchasing a category D fan, the customer is responsible for connecting the inlet and outlet ducts and/or machinery. These connections must comply with what is specified in the UNI EN ISO 1299-2009 standard section 7.1.
Any use of the fan in a different configuration must be specified when ordering. ITIFEX is able to supply the various and appropriate accessories for other configurations.
ITIFEX standard fans comply with the Machinery Directive 2006/42/EC, and are defined as “partly completed machinery” (Art. 2 section g) and comply with Art. 13. Each complete fan is accompanied by a declaration of incorporation.
With reference to the safety requirements for mechanical guards, ITIFEX fans comply with the standard UNI EN ISO 12499-2009.
The efficiency of the fans complies with the objectives of EU regulation no. 327/2011, as required by directive 2009/125/EC.
All ITIFEX impellers are statically and dynamically balanced in compliance with the regulation ISO1940/1:1993 “Balance tolerances for rigid rotors”.

Running performance and vibration testing (see ISO 1494:2003) are included as part of the functional test. For potentially explosive environments, special fans are produced with 2 different types of certifications:
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