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BFS-40-N-O0 pages
Index: C / 923-1858
Flow Switches
BFS-40-N / BFS-40-O
or water monitoring,with or without optical display
Features
large switching range, set point continuously adjustable, rugged, low
hysteresis, any mounting position, high accuracy and functional
safety, optional with pointer-indicating instrument, ship approvals
available for N-versions
Measuring ranges
0,2...4,0 l/min to 35...250 l/min for water
Applications
Measuring and monitoring of liquids, e. g. in cooling or hydraulic
systems, test beds, pumps etc.
Technical Data
Technical Data
BFS-40-N (without optical indication)
BFS-40-O (with optical indication)
Measuring
principle:
variable aera flow meter
Measuring principle:
variable aera flow meter
Materials:
Var. aera flow
meter:
Spring:
Fitting:
Housing:
brass version
brass
1.4571
brass, nickel-plated
brass, nickel-plated
stainless steel vers.
1.4571
1.4571
1.4571
1.4571
Materials:
Var. aera flow meter:
Spring:
Fitting:
Housing:
Display Housing:
brass version
brass
1.4571
brass, nickel-plated
brass, nickel-plated
makrolon
stainless steel vers.
1.4571
1.4571
1.4571
1.4571
makrolon
Operating pressure:
BFS-40-N
brass
200 bar
VA
300 bar
Operating pressure:
BFS-40-O:
brass
200 bar
VA
300 bar
Operating temp.:
100 °C (standard), 160 °C (option HT)
Operating temp.:
100 °C (standard), 160 °C (option HT)
Accuracy:
±5% f. s.
Accuracy:
±5% f. s.
Electrical
connection:
plug acc. to DIN EN 175301-803-C (Ex DIN 43650C)
Electrical connection:
plug acc. to DIN EN 175301-803-C (Ex DIN
43650C)
Contact rating:
BFS-40-N
brass GL
100 bar
250 V / 3 A / 100 VA
250 V / 1,5 A / 50 VA
Pressure drop
0,02...0,8 bar
Contact rating:
BFS-40-O
(NO)
(SPDT)
Protection class:
IP65 (plug acc. to DIN EN 175301-803-C - Ex DIN
43650C)
IP67 (with moulded cable)
Approvals:
250 V / 3 A / 100 VA
250 V / 1,5 A / 50 VA
Pressure drop
0,02...0,8 bar
(NO)
(SPDT)
Protection class:
IP65 (plug acc. to DIN EN 175301-803-C - Ex
DIN 43650C)
IP67 (with moulded cable)
Approvals:
see www.barksdale.de
e.g. ATEX, GL, BV,...see www.barksdale.de
Switch ranges
Switch ranges
in l/min
in l/min
BFS-40N G1/4:
BFS-40N G1/2:
BFS-40N G3/4:
BFS-40N G1:
BFS-40- BFS-40N G1 1/4: N G1 1/2:
BFS-40O G1/4:
BFS-40O G1/2:
0,2…4,0
0,6…5,0
1,0…14
1,0…14
1,0…28
BFS-40- BFS-40O G1 1/4: O G1 1/2:
0,5…8,0
0,6…5,0
BFS-40O G1:
0,2…4,0
0,5…8,0
BFS-40O G3/4:
1,0…28
2,0…40
2,0…40
4,0…55
4,0…55
1,0…70
1,0…70
8,0…90
8,0…90
5,0…110
5,0…110
10…150
10…150
35…220
Barksdale
35…220
35…250
Subject to technical changes.
35…250
1
"
