Technical data, 2 technical data – KROHNE DK 46 I-DK 47 I EN User Manual
Page 25
TECHNICAL DATA
6
25
DK46I - DK47I
www.krohne.com
08/2008 • 4000360001 MA DK46I-47I-R01-en
6.2 Technical data
Materials
Temperatures
Temperatures
Temperatures
Temperatures
Application range
Flow measurement of liquids and gases
Measuring accuracy
Directive VDI / VDE 3513, sheet 2
DK46 I
Class 4
DK47 I
Class 2.5
Operating pressure PS
Pressure equipment directive 97/23/EC
Test pressure PT
Pressure equipment directive 97/23/EC
Max. perm. operating gauge press. PS at TS =
212°F (100°C)
DK…/R (head piece and foot piece made from
stainless steel)
145 psig (10 bar)
1
DK…/N (head piece and foot piece made from
brass)
145 psig (10 bar)
1
1
higher pressures upon request
Head piece, foot piece
CrNi steel 1.4404 / 316 L, nickle-plated brass
Head piece, foot piece optional
Hastelloy
Measuring tube
Borosilicate glass
Float (sphere)
CrNi steel 1.4401 / 316
Float options
Glass, POM, titanium, Hastelloy C4
DK48 float (All)
CrNi steel 1.4571 / 316 titanium, aluminum, PEEK, glass
Metering unit
CrNi steel 1.4571 / 316 Ti
Valve spindle
CrNi steel 1.4404 / 316 L
Standard seals
PTFE / FPM
Seals options
PTFE / FFKM, PTFE / EPDM
Seals options
EPDM, FFKM
Protective cover
Polycarbonate
Max. temperature of medium Tm
+212°F (+100°C)
Max. Tm with limit switches
+149°F (+65°C)
Min. temperature of medium Tm
+23°F (-5°C)
1
Max. ambient temperature Tamb.
+212°F (+100°C)
Max. Tamb. with limit switches
+149°F (+65°C)
Min. ambient temperature Tamb.
-4°F (-20°C)
1
1
other temperatures upon request
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