LFS Series

LFS Series
Paddle Flow Switches
Stainless steel SS304 paddle
3/4”PF or 1”PT mounting plug thread
IP65 Aluminium alloy housing or DIN 43650 connection
Use for flow detection in pipes from 1” bore to 3”
bore
Maximum operating pressure 20 bar
Technical Specification
Housing material
Temperature range
Set point tolerance
Repeatability
The LFS range of flow switches are paddle
devices that are mounted vertically
through a socket or upstand process
connection.
Electrical connections are made within the
housing, which has a screw on sealed lid
and cable gland.
A choice of paddle sizes is supplied with
each switch and selection can be made
with reference to the chart opposite.
Aluminium Alloy
See chart below
±25 %
±5%
Paddle material
304grade SS
Maximum pressure
20 bar
Pressure drop
0.2 bar
Connection in housing or by DIN 43650
Electrical Specification
Contact Form
SPDT
Switching Power Max
VA
40
Switching Voltage AC/DC Max
V
230
Switching Current Max
A
1.0
All ratings are for resistive load only.
Standard Parts
Mounting thread
Operating Temperature
Connection
LFS-01
LFS-01H
LFS-02
LFS-02H
LFS-03
LFS-03H
LFS-04
LFS-04H
Terminate in housing
Terminate in housing
Terminate in housing
Terminate in housing
DIN 43650
DIN 43650
DIN 43650
DIN 43650
1”NPT
1"NPT
3/4”BSP
3/4"BSP
1”NPT
1"NPT
3/4”BSP
3/4"BSP
Pipe Dia
-30 to +75°C
-30 to +150°C
-30 to +75°C
-30 to +150°C
-30 to +75°C
-30 to +120°C
-30 to +75°C
-30 to +120°C
1"
Switch
Op Rel
1.25"
Op
Rel
1.50"
Op
Rel
2"
Op
2.5"
Rel
Op
3"
Rel
Op
Rel
Paddle length
1"
19 15.2 32.2 24.7 45.5 34.1 64.4 56.8
1.25"
24.7 17.1 34.1 26.5 56.8 45.5
1.50"
87.1 75.8
53 37.9 87.1 60.6 121.2 94.7
2"
68.2 45.5
2.5"
90.9 64.4
125 102.3
75.8 49.3 102.3 121.2
3"
83.3
60.6
NB: Flow rates in litres per minute
Mechanical Dimensions
80
37
37
DIN 43650
Email:[email protected]
25
Model No. LFS-01/H
ISO9001 C E R T I F I E D
38 AF
1"NPT
25
Model No. LFS-02/H
38 AF
3/4"BSP
92
92
3/4"BSP
22 13 34
38 AF
92
92
Cynergy3 Components Ltd.
7 Cobham Road
Ferndown Industrial Estate
Wimborne, Dorset BH21 7PE
Telephone +44 (0) 1202 897969
1"NPT
22 13 22
22 13 22
1/2"BSP
38 AF
DIN 43650
8
8
1/2"BSP
22 13 34
90
90
80
25
25
Model No. LFS-03/H
Model No. LFS-04/H
www.cynergy3.com
© 2014 Cynergy3 Components, All Rights Reserved. Specifications are subject to change without prior notice. Cynergy3 Components and the Cynergy3 Components logo are trademarks of Cynergy3 Components Limited.