H&V operates a global state of the art test facility—the Mark Hollingsworth Global Test Center— in Suzhou, China, as well as specific regional centers of excellence. Our expert technicians are capable of testing materials against global filtration and battery standards. Filtration Testing Capabilities: Understanding how our media performs in your filter is important and helps you choose the appropriate material. We perform physical tests on the filter media, and elements incorporating the filter media. - ASHRAE 52.2:2007: Method of Testing General Ventilation Air-Cleaning Devices for Removal Efficiency by Particle Size - EN779:2002 and EN779:2012: Determining filter performance for particle air filters for ambient room air conditioning - EN1822-2010: Testing of flat sheet filter media for suspended particles - DIN 71460-1: Air filters for truck cabins—Part 1: Test method for particle filtration - ISO 4548-12: Test method for full-flow oil for combustion engines—Part 12—determination of efficiency by counting particles and dust holding capacity - ISO 5011: Air filters for combustion engines and compressors - ISO 16889: Hydraulic fluid power- Filters- Multi-pass method for evaluating filtration performance of a filter element - ISO 19438: Diesel fuel and petrol filters for internal combustion engines—Filtration efficiency using particle counting and contaminant retention capacity - SAE J1488: Emulsified Water/Fuel Separation Test Procedure - VDI 3926-II: Tests for re-cleanable (reverse pulse) filters
