In this type, the air nozzle hole is set under a leaf with carbide ball on its measuring point. The carbide ball directly contact the product surface and the air is not directly released into the product.
|Nominal Size D exceeded ~ less||A||B||L|
|4 exceeded 10 or less||38||47||90|
|10 exceeded 14 or less||42||50||90|
|14 exceeded 24 or less||D+30||68||90|
|24 exceeded 40 or less||D+30||73||90|
|40 exceeded 55 or less||D+30||73||90|
|55 exceeded 70 or less||D+30||76||110|