75422010
Kromschröder
Spring 70-90 mbar, black
Spring (black) for GBF 40, VGBF 25-40 (70-90 mbar)
and VAR 25-40 (71-86 mbar)
for output pressure changes:
for GBF 40, VGBF 25 and VGBF 40,
Output pressure range 70 - 90 mbar
for VAR 25 and VAR 40,
Output pressure range 71 - 85 mbar