NBK-04
page 10
NBK-04 K01/0922
10. Technical Information
Over-head tube:
Ø 60.3 mm x 2 mm
Tank tube:
Ø 60.3 mm x 2 mm or Ø 76.1mm x 2mm
Material:
st. steel 1.4571
Initial measurement:
270 mm from end or tank tube
Float:
titanium
Connecting rod:
rod or tube from titanium or st. steel 1.4571
(depending on medium density and measuring
length)
Flange nominal size:
DIN EN 1092-1 DN 50, 65, 80, 100, PN 16
ASME B16.5 2”, 2 ½”, 3”, 4”, Class 150
Max. operating pressure
PN 16
Operating temperature:
-50 °C...+120 °C (POM rollers)
-104…+120 °C (ball display)
Viscosity:
max. 200 mm
2
/s
Measuring length:
min. 600 mm
max. 4000 mm
Total length:
see dimension drawing
Min. density:
0.43 kg/dm
3
ATEX approval:
see separate description
Housing:
aluminium pressure-cast, terminal connection
Cable entry:
M16x1.5, brass nickel-platted
Protection:
IP 65