Ontluchtingsschroef met peilstok

Function and operational criteria of breather caps GN 552 see description of function. MAX-MIN markings can easily be added to the flats of a dipstick (see GN 109). Type with dipstick (Type B) is only available for marks 0, 1 and 2 as follows: Size 31 - all threads Size 42 - G 3/4 and 1 only Size 57 - G 1 1/4 and G 1 1/2 only