Overview
ASTM D8194-24 is the international standard practice for evaluating the suitability of 37 mm filter monitors and 47 mm filters for determining particulate contaminants in aviation turbine fuels. Developed by ASTM International, this standard establishes criteria to ensure that filters, support pads, and field monitors used in testing meet rigorous quality and performance requirements, supporting reliable assessment of fuel cleanliness.
The practice is directly applicable when using filters and monitors in conjunction with established ASTM test methods such as ASTM D5452 and ASTM D2276. By defining specifications for product performance, ASTM D8194-24 helps maintain fuel system cleanliness and safety, critical in aviation operations.
Key Topics
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Product Suitability: The standard outlines clear criteria for evaluating cellulose acetate butyrate field monitors, membrane filters, and support pads. It includes tests for sealability, filter color, membrane pore size and distribution, flow rate and weight change, compatibility, wettability, and mechanical strength.
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Testing Procedures: ASTM D8194-24 requires independent laboratory testing on representative membrane and monitor samples, ensuring all tested items meet or exceed specified limits for acceptance.
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Measurement Units: All measurements and limits are stated in SI units, providing global application and relevance.
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Health, Safety, and Environmental Considerations: The standard advises users to establish appropriate safety, health, and environmental practices tailored to their specific application and regulatory context.
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International Standardization: Developed under recognized principles set by the World Trade Organization's Technical Barriers to Trade (TBT) Committee, ensuring harmonization and global applicability.
Applications
ASTM D8194-24 provides essential guidelines for parties involved in aviation fuel supply, storage, and handling, specifically those who require assurance that fuel remains free from particulate contamination. Practical applications include:
- Fuel Quality Assurance: Routine inspection of aviation turbine fuels for solid contaminants at points of manufacture, storage, and prior to aircraft fueling.
- Product Development: Manufacturers of 37 mm and 47 mm filters and monitors use this standard to design and qualify products for use in aviation fuel testing.
- Maintenance Operations: Aircraft operators, maintenance personnel, and quality inspectors apply these criteria to select, use, and verify filtration products in routine and investigative testing.
- Regulatory Compliance: Supports compliance with both national and international aviation fuel cleanliness requirements, providing documentation and assurance of proper filtration equipment performance.
By adhering to ASTM D8194-24, organizations help safeguard against engine wear, filter clogging, and potential operational disruptions caused by particulate contamination.
Related Standards
ASTM D8194-24 references and complements several other key ASTM and federal standards related to aviation fuel testing and quality:
- ASTM D5452: Test Method for Particulate Contamination in Aviation Fuels by Laboratory Filtration
- ASTM D2276: Test Method for Particulate Contaminant in Aviation Fuel by Line Sampling
- ASTM D1655: Specification for Aviation Turbine Fuels
- ASTM D2624: Test Methods for Electrical Conductivity of Aviation and Distillate Fuels
- ASTM D3948: Test Method for Determining Water Separation Characteristics of Aviation Turbine Fuels by Portable Separometer
- ASTM F316: Test Methods for Pore Size Characteristics of Membrane Filters
- MIL-DTL-85470: Federal specification for inhibitor, icing, fuel system, high flash
- ASTM D4175: Terminology Relating to Petroleum Products, Liquid Fuels, and Lubricants
Together, these standards form a comprehensive framework to ensure the cleanliness and safe handling of aviation turbine fuels using validated filtration equipment.
Keywords: ASTM D8194-24, filter monitors, membrane filters, aviation turbine fuel, particulate contamination, fuel cleanliness, filter evaluation, aviation fuel standards, ASTM International.