KROHNE BW 25 EN - Manual (Page 43)

TECHNICAL DATA
8
43
BW25
www.krohne.com 09/2010 - 4000432302 MA BW25 R05 en
8.2 Technical data
INFORMATION!
•
The following data is provided for general applications. If you require data that is more
relevant to your specific application, please contact us or your local representative.
• Additional information (certificates, special tools, software,...) and complete product
documentation can be downloaded free of charge from the website (Download Center).
Measuring system
Application range Level measurement
Operating method / measuring principle Displacement principle
Measured value Level, separating layer
Measuring accuracy
Standard < 1.5% full scale value
Min. measuring range 0.3 m / 12"
Max. measuring range 6 m / 20 ft
Medium Liquids
Density ≥ 0.45 kg/l / 28.1 lbs/ft 3
Materials
Housing Aluminium with artificial resin coating
Housing option Stainless steel (indicator M9)
Displacer rod Stainless steel 1.4404
Displacer rod option Titanium
Spring Stainless steel 1.4571 (T
m
< 100°C / 212°F)
Spring option ATS 340 (T
m
> 100°C / 212°F)
Flange Stainless steel 1.4404
Pressure sleeve Stainless steel 1.4404
Process connections
Max. operating pressure 40 bar - optional to 400 bar / 580 - optional 5802
psig
Standard flange DN50 - PN40 / 2" ASME 300 lbs
Optional flange ...DN100 - ...PN400 / …4" ASME ...2.500 lbs
Approvals
ATEX, indicator M9 with electrical installations Cat. II 1/2G, EEx ia IIC T6
ATEX, indicator M10 Cat. II 1/2G, EEx d IIC T6
ATEX, indicator M9 without electrical installations
for Zone 0 tanks Cat. II 1/2 Gc
for Zone 1.21 Cat. II 2 GD
for Zone 2.22 Cat. II 3 GD
MA_BW25_R05_en_432302_PRT.book Page 43 Tuesday, September 28, 2010 8:17 AM