In the modern laboratories of our factory, our filters are subjected to extensive control processes from raw material to product output.
Each of our filters are delivered to our customers, after passing the Air Tightness Testing.
Hann’s standard manufacturing process includes;
- Air Bubble Testing
- Fatigue Test
- Oil Sealing - Leakage Test
- Plate Bearing Testing at several different manufacturing stages in order to evaluate their performance and durability.
The quality management of Hann Filter has been certified by the ISO 9001: 2015 and ISO 10002: 2004 Quality Management System Standards.
OUR QUALITY CERTIFICATES