This part of GB/T 14041 specifies the method for testing the compatibility of hydraulic filter elements with specified liquids, which is used to verify the ability of the filter elements to maintain the rupture rating after being immersed in the specified system working fluid under high or low temperature conditions. The material of the filter element does not include the seal installed in (upper) the filter element. This section applies to filter elements for hydraulic transmission systems.
GB/T 14041.2-2007 Referenced Document
GB/T 14041.1 Hydraulic fluid power.FiIter elements.Part 1: Verification of fabrication integrity and determination of the first bubble point