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BFS-30-O0 pages
Index: D / 923-1856
Flow Switches
BFS-30-N / BFS-30-O
for liquids from 30 up to 600 cSt,
with or without optical display
Features
viscosity compensated from 30 up to 600 cSt,
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
0.5...1.5 l/min to 35...110 l/min
for liquids from 30 up to 600 cSt.
Applications
Measuring and monitoring of liquids, e. g. in cooling
or hydraulic systems, test beds, pumps etc.
Technical Data
Technical Data
BFS-30-N (without indication)
BFS-30-O (with optical indication)
Measuring
principle:
variable aera flow meter
Measuring principle:
variable aera flow meter
Materials:
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:
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-30-N, N E:
BFS-30-L:
brass
250 bar
300 bar
VA
300 bar
350 bar
Operating pressure:
BFS-30-O, O E:
brass
250 bar
VA
300 bar
Operating temp.:
120 °C (standard), 160 °C (option HT)
Operating temp.:
120 °C (standard), 160 °C (option HT)
Accuracy:
±10% f. s.
Accuracy:
±10% f. s.
Electrical connection:
Electrical
connection:
plug acc. to DIN EN 175301-803 (Ex DIN 43650C)
plug acc. to DIN EN 175301-803 (Ex DIN
43650C)
Contact rating:
BFS-30-L
BFS-30-N, N E
brass GL
100 bar
100 bar
230 V / 3 A / 60 VA
250 V / 1,5 A / 50 VA
250 V / 3 A / 100 VA
250 V / 1,5 A / 50 VA
Press.drop
0,02...0,4 bar
0,02...0,2 bar
Contact rating:
BFS-30-O, O E
(NO)
(SPDT)
(NO)
(SPDT)
250 V / 3 A / 100 VA
250 V / 1,5 A / 50 VA
Press. drop
0,02...0,4 bar
(NO)
(SPDT)
Protection class:
Protection class:
IP65 (plug acc. to DIN EN 175301-803 - Ex DIN
43650C)
IP67 (with moulded cable)
Approvals:
IP65 (plug acc. to DIN EN 175301-803 - Ex DIN
43650C)
IP67 (with moulded cable)
Approvals:
see www.barksdale.de
e.g. ATEX, GL, BV,...see www.barksdale.de
Switch ranges
versions
BFS-30-L:
in l/min
0,5…1,6
0,8…3,0 / 2,0…7,0
Switch ranges
Process connections
versions
BFS-30-O:
2,0...8,0 / 3,0...10
BFS-30-N:
5,0...15 / 8,0...24
35...110
G1
10...30 / 15...45
20...60 / 30...90
G1
1,0...20 / 4,0...40
BFS-30-O E:
5,0...50 / 8,0...60
G1
12...70 / 15...80
1,0...20 / 4,0...40
BFS-30-N E:
2,0...8,0 / 3,0...10
5,0...15 / 8,0...24
35...110
10...30 / 15...45
20...60 / 30...90
Process connection
0,5...1,5 / 1,0...4,0
G1/2
0,5...1,5 / 1,0...4,0
in l/min
5,0...50 / 8,0...60
12...70 / 15...80
Barksdale
Subject to technical changes.
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