Coal machine filter element

As a crucial protective component of coal mining machinery, the core advantage of coal mining machinery filter elements lies in their precise adaptation to complex working conditions and efficient filtration capabilities.

According to the varying types of coal machinery, such as hydraulic supports, roadheaders, bolt-driving machines, and slag removal machines, there are notable differences in the filter elements installed. For hydraulic supports, the installed filter elements predominantly include stainless steel backwash filters, spray filters, pilot filters, etc., which are typically integrated within the backwash valves utilized. For roadheaders, bolt-driving machines, and other underground operational machinery, hydraulic filter elements are commonly installed.

Testing Standard

In addition to the testing methodologies developed by our company, the filter element products also strictly adhere to the following international standards for testing:

• ISO 2941 Filters - Test Method for Resistance to Rupture of Filters
• ISO 2942 Filters - Test Method for Structural Integrity of Hydraulic Filters
• ISO 2943 Filters - Test Method for Compatibility of Hydraulic Filter Materials with Fluids
• ISO 3723 Filters - End Cap Fit Test
• ISO 3724 Filters - Determination of Fatigue Characteristics
• ISO 3968 Filters - Differential Pressure Flow Characteristics
• ISO 16889 Filter Elements - Multi-pass Method for Determining Filtration Characteristics