AP 42 Section 11.19.2 Crushed Stone Processing and
Jaw, impactor, or gyratory crushers are usually used for initial reduction. The crusher product, normally 7.5 to 30 centimeters (3 to 12 inches) in diameter, and the grizzly ... stone processed, the process throughput rate, the type of equipment and operating practices used, ... presented in Tables 11.19.2-1 (Metric units) and 11.19.2-2 ...