GAS PRESSURE REGULATORS P1 MAX UP TO 500mbar

The letters ABCDE inserted in the code indicate a different inlet pressure range and precisely:

A = up to 100 mbar

B = 100 ÷ 200 mbar

C = 200 ÷ 300 mbar

D = 300 ÷ 400 mbar

E = 400 ÷ 500 mbar