User guide

8-27
Pressure switches
2
3
4
5
6
7
8
10
9
11
12
13
14
Fixed pressure hysteresis
Adjustable pressure hysteresis
Pressure adjustment
range
Adjustable switching
differential
Switching
differential
Max. pressure Allowable max. gas-pressure
(DIN3398P3)
Type
bar bar bar bar bar
0,1 ... 0,6 – 0,04 6 6 DWR06
0,2 ... 1,6 – 0,06 6 6 DWR1
0,2 ... 2,5 – 0,1 16 10 DWR3
0,5 ... 6 – 0,2 16 10 DWR6
0,5 ... 6 – 0,25 25 20 DWR625
3 ... 16 – 0,5 25 20 DWR16
4 ... 25 – 1 63 50 DWR25
8 ... 40 – 1,3 63 50 DWR40
Pressure adjustment
range
Adjustable switching
differential
Switching
differential
Max. pressure Allowable max. gas-pressure
(DIN3398P3)
Type
bar bar bar bar bar
0,1 ... 0,6 0,08 ... 0,5 – 6 6 DWR06-203
0,2 ... 1,6 0,15 ... 0,6 – 6 6 DWR1-203
0,2 ... 2,5 0,17 ... 1,2 – 16 10 DWR3-203
0,5 ... 6 0,3 ... 1,4 – 16 10 DWR6-203
0,5 ... 6 0,4 ... 2,5 – 25 20 DWR625-203
3 ... 16 0,75 ... 3,15 – 25 20 DWR16-203
4 ... 25 1,3 ... 6 – 63 50 DWR25-203
8 ... 40 2,3 ... 6,6 – 63 50 DWR40-203
Syphon for high temperature, steel, U-shape (for more accessories, see Accessories
for Pressure Switches / Transmitters)
U430B