This recommended practice provides a method of testing to evaluate spark arresters used on medium-size@ single-position internal combustion engines@ normally used in transportable@ stationary@ and vehicular applications@ such as highway trucks@ agricultural tractors@ industrial tractors@ other mobile equipment@ and motorcycles. This recommended practice provides two methods of testing (laboratory testing and engine testing) which may be used to evaluate a spark arrester. It also includes special requirements for screen type devices and an endurance test procedure for screen type spark arresters. Spark Arrester Application: Spark arresters qualified by an engine test should be used on only engines of the same design and size (or smaller) and which do not exceed the calculated flow rate of the test engine by more than 15%. Calculated flow rate shall be determined at maximum power engine speed or maximum governed engine speed@ which is lower. This recommended practice has been established ti cover most medium sizes and type of engines applications. Arresters tested under this procedure should not used above their rated flow unless tested and found to be adequately efficient at the intended flow. PURPOSE: This recommended practice provides a method of testing to evaluate spark arresters for compression ignition or spark ignition internal combustion engines. It is not intended to establish the performance level required for adequate fire protection@ nor does it cover applications requiring flame arresting@ exhaust gas cooling@ or isolation from explosive gases.
SAE J350-1988 history
2020SAE J350-2020 Spark Arrester Test Procedure for Medium Size Engines
0000 SAE J350-199101
1991SAE J350-1991 Spark Arrester Test Procedure for Medium Size Engines
1988SAE J350-1988 Spark Arrester Test Procedure for Medium Size Engines
1980SAE J350-1980 SPARK ARRESTER TEST PROCEDURE FOR MEDIUM SIZE ENGINES
1972SAE J350-1972 Spark Arrester Test Procedure for Medium Size Engines