Quality Control

Introduction

Lefilter carry out ISO, DIN, IDF and 3A industry standard strictly during the manufacturing process and all the products can conform to the standards of GMP.

The endeavor makes us more professional. The performance and the effect of our replace products are comparable with imports; in addition the performance and the quality of domestically-made filters or filter elements are also stable and reliable. All those have been selected and recognized by customers and research institutions.

Testing standards are satisfied by the products

ISO2941—the testing for the cracking resistance

ISO2942—the identifying for the structural integrity

ISO2943—the identifying for the compatibility between material and the liquid

ISO3723—the testing method for the end load of filter elements

ISO3724—the identifying for the fatigue properties of the filter elements

ISO3968—the testing for determination of pressure differential/flow characteristics

ISO4572—the testing for the multi-pass method for evaluating filtration performance