KROHNE DA Flap-type EN - Manual (Page 8)

5 Technical Data
Flow range min
max
0,5 ... 6 m 3 /h Water
150 ... 1500 m 3 /h Water
Accuracy 5% FS
Turndown ratio min. 1 : 10
Nominal sizes DN25 ... DN300
Max. Operating pressure
Standard
Option
PN 6/10
PN 16/25/40
Mounting length Standard
Special spring
50 mm
60mm
Connection Standard
Option
Mounting between welding neck flanges to DIN 2501
ASME, JIS
Degree of protection , indicator part IP 67
6 Measuring temperatures
Type of Steel, stainless steel
PVC
PP
PVDF
- 70° C ... + 200° C
0° C ... + 20° C /10bar - 0° C ... + 40° C /6bar
0° C ... + 20° C /10bar - 0° C ... + 80° C /1,5bar
-40° C ... + 20° C /10bar - -40° C ... + 140° C / 2bar