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This water separation technical report has been established to cover heavy-duty engine intake filter systems. It may also be applicable to some automotive and industrial air inlet systems where water separation is an issue.

This water separation section has been established to cover heavy-duty engine intake filter systems. It may also be applicable to some automotive and industrial air inlet systems where water separation is an issue.

This SAE Recommended Practice describes several procedures to test and measure the performance of a Hydrocarbon Adsorber device located in a vehicle air induction system and attempts to simulate various loading and purging cycles it could experience. The Hydrocarbon Adsorber device is used to adsorb the small amount of gasoline that is volatized in the air induction manifold after the vehicle engine is turned off. This gasoline vapor can travel through the air induction system and escape to the atmosphere, impacting the total allowable vehicle evaporative emissions level set by the EPA and California ARB. When the vehicle is restarted, the Hydrocarbon Adsorber device is purged of hydrocarbons with the fresh air flow and is designed to perform as life of the vehicle emission device as set by the EPA.

This water separation section has been established to cover heavy-duty engine intake filter systems. It may also be applicable to some automotive and industrial air inlet systems where water separation is an issue.

This SAE Recommended Practice describes laboratory test methods to measure filter performance. Performance includes, but is not limited to, air flow restriction or pressure drop, overall and fractional efficiency, holding capacity for airborne particles, and air filter structural integrity. The purpose of this test code is to establish and specify consistent test procedures, conditions, equipment, and performance reports to enable comparison of filter performance of particulate air filters used in automotive interior ventilation systems.

This laboratory test method applies to air filters that improve air quality by reducing concentrations of gaseous, odorous, or hazardous components from ambient and/or re-circulated air in vehicle cabins. The test method provides information on pressure drop, as well as gas and/or vapor removal characteristics. The purpose of the test method is to describe and establish test criteria to enable comparisons of filters and filter components that remove or reduce the levels of containment gases or vapors from air streams under specified laboratory conditions.

The air cleaner test code has been established to cover dry type and oil bath air cleaners used on internal combustion engines and to present a uniform method of determining and reporting air cleaner performance.

This laboratory test method applies to air filters that improve air quality by reducing concentrations of gaseous, odorous, or hazardous components from ambient and/or re-circulated air in vehicle cabins. The test method provides information on pressure drop, as well as gas and/or vapor removal characteristics.

Over the past several years many differently sized dry-type air cleaner elements have been manufactured to service the numerous makes and models of United States domestic passenger cars and light trucks. This has led to inventory and stock control inefficiencies that affect the motoring public, the automobile manufacturers, and the air cleaner producers. Currently, there are hundreds of different air cleaner elements required to service these vehicles. The SAE Air Cleaner Test Code Subcommittee, recognizing the need for standardization of air cleaners has compiled a list of the 25 most used round type and the most used panel type elements. Automotive engineers responsible for the design of engine air induction systems on new applications are encouraged to select a dry-type air cleaner element from these lists. It is expected that by adhering to this recommendation that the currently most popular elements will be chosen for new applications to eliminate further proliferation.

This SAE Recommended Practice describes laboratory test methods to measure filter performance. Performance includes, but is not limited to, air flow restriction or pressure drop, overall and fractional efficiency, holding capacity for airborne particles, and air filter structural integrity.

The air cleaner test code has been established to cover dry type and oil bath air cleaners used on internal combustion engines and to present a uniform method of determining and reporting air cleaner performance.

The basic performance characteristics of greatest interest are airflow restriction or pressure drop, dust collection efficiency, dust capacity, and air cleaner structural integrity. This test code therefore addresses itself to the measurement of these parameters.

The basic performance characteristics of greatest interest are airflow restriction or pressure drop, dust collection efficiency, dust capacity, and air cleaner structural integrity. This test code therefore adresses itself to the measurement of these parameters.

The basic performance characteristics of greatest interest are airflow restriction or pressure drop, dust collection efficiency, dust capacity, and air cleaner structural integrity. This test code therefore addresses itself to the measurement of these parameters.

This test code is for laboratory use in determining the operating characteristics of air cleaners. It refers specifically to laboratory testing of oil bath, oil wetted, dry and multistage air cleaners. Other types should follow this recommended practice wherever applicable. Multistage types should be evaluated as a complete assembly although, if desired, a component stage can be tested separately in accordance with its individual type. This code contains alternate procedures and permits prescribing certain specific conditions of a test. Therefore reported results of tests are not complete unless accompanied by statements, where applicable, of the specific conditions such as: (1) rated air flow, (2) prescribed air flow, (3) steady or variable airflow, (4) fine or coarse dust, (5) amount of dust, and (6) maximum permissible restriction.

This test code is for laboratory use in determining the operating characteristics of air cleaners. It refers specifically to laboratory testing of oil bath, oil wetted, dry and multistage air cleaners. Other types should follow this recommended practice wherever applicable. Multistage types should be evaluated as a complete assembly although, if desired, a component stage can be tested separately in accordance with its individual type. This code contains alternate procedures and permits prescribing certain specific conditions of a test. Therefore reported results of tests are not complete unless accompanied by statements, where applicable, of the specific conditions such as: (1) rated air flow, (2) prescribed air flow, (3) steady or variable airflow, (4)· fine or coarse dust, (5) amount of dust, and (6) maximum permissible restriction.

This test code is for laboratory use in determining the operating characteristics of air cleaners. It refers specifically to laboratory testing of oil bath, oil wetted, dry and multistage air cleaners. Other types should follow this recommended practice wherever applicable. Multistage types should be evaluated as a complete assembly although, if desired, a component stage can be tested separately in accordance with its individual type. This code contains alternate procedures and permits prescribing certain specific conditions of a lest. Therefore reported results of tests are not complete unless accompanied by statements, where applicable, of the specific conditions such as: (1) rated air flow, (2) prescribed air flow. (3) steady or variable airflow, (4) fine or coarse dust, (5) amount of (lust, and (6) maximum permissible restriction.