Flow Indicator DA 3.40, 4.40   With ball DA 3.40 with single glass, DA 4.40 with 2 glasses. Body GG-25, GS-C 25, CrNiMo-steel. PN........... 16 - 40 DN........... 15 - 250 G............. 3/8 - 2 T............. 100°C data sheet      sales text