DWR HONEYWELL / FEMA are especially suitable as a pressure monitor or pressure limiter for fuel gases and liquid fuels (e.g. fuel oil), as well as for steam systems according to TRD 604 and hot water...
DWR HONEYWELL / FEMA are especially suitable as a pressure monitor or pressure limiter for fuel gases and liquid fuels (e.g. fuel oil), as well as for steam systems according to TRD 604 and hot water systems to DIN EN12828, systems in accordance to DIN EN12952-11 and DIN EN12953-9.
Product comparison
| Model | Setting range | Switching differential (mean values) |
Maximum working pressure | |
| 1* | 2* | |||
| Pressure monitors without differential adjustment | ||||
| DWR06
DWR1 |
01…0,6 bar
0,2…1,6 bar |
0,04 bar
0,06 bar |
6 bar
|
6 bar |
| DWR3
DWR6 |
02…2,5 bar
0,5…6 bar |
0,1 bar
0,2 bar |
10 bar | 16 bar |
| DWR625
DWR16 |
0,5…6 bar
3…16 bar |
0,25 bar
0,5 bar |
20 bar | 25 bar |
| DWR25
DWR40 |
4…25 bar
8…40 bar |
1 bar
1,3 bar |
50 bar | 63 bar |
| EEx-ia versions with ZF 513 | ||||
| Switching differential adjustable | ||||
| DWR06-203
DWR1-203 |
0,1…0,6 bar
0,2…1,6 bar |
0,08…0,5 bar
0,15…,06 bar |
6 bar | 6 bar |
| DWR3-203
DWR6-203 |
0,2…2,5 bar
0,5…6 bar |
0,17…1,2 bar
0,3…1,4 bar |
10 bar | 16bar |
| DWR625-203
DWR16-203 |
0,5…6 bar
3…16 bar |
0,4…2,5 bar
0,75…3,15 bar |
20 bar | 25 bar |
| DWR25-203
DWR40-203 |
4…25 bar
8…40 bar |
1,3…6 bar
2,3…6,6 bar |
50 bar | 63 bar |
* max. working pressure
The DWR Honeywell / FEMA pressure monitors is used to monitor maximum and minimum pressures.This pressure switch is “of special construction” and has been tested with 2 million operating cycles. TÜV and DVGW tests exists.
• ID 0000035004 according DIN EN 764-7:2002 and DIN EN 13611:2015-09
• CE-0085CL0343 according to DIN EN 1854, Issue 01.10.2010
• 01 202 931-B-11-0003 according Directive 97/23 EC
• SIL2 according IEC 61508-2
