The Ex-DWR from FEMA is a series of explosion-proof pressure switches for hot water, steam, gas and fuel. These devices have been equipped with a fireproof housing. Their task is to detect the difference ...
The Ex-DWR from FEMA is a series of explosion-proof pressure switches for hot water, steam, gas and fuel. These devices have been equipped with a fireproof housing. Their task is to detect the pressure difference in relation to the atmospheric pressure.
Product selection table
Model | Setting range | Hysteresis | Pressure maximum |
The switching difference is not adjustable | |||
Ex-DWR06 | 0,1… 0,6 bar | 0,04 bar | 6 bar |
Ex-DWR06-S | 0,1… 0,6 bar | 0,04 bar | |
Ex-DWR1 | 0,2… 1,6 bar | 0,06 bar | |
Ex-DWR1-S | 0,2… 1,6 bar | 0,06 bar | |
Ex-DWR3 | 0,2… 2,5 bar | 0,1 bar | 16 bar |
Ex-DWR3-S | 0,2… 2,5 bar | 0,1 bar | |
Ex-DWR6 | 0,5… 6 bar | 0,2 bar | |
Ex-DWR6-S | 0,5… 6 bar | 0,2 bar | |
Ex-DWR625 | 0,5… 6 bar | 0,25 bar | 25 bar |
Ex-DWR625-S | 0,5… 6 bar | 0,25 bar | |
Ex-DWR16 | 3… 16 bar | 0,5 bar | |
Ex-DWR16-S | 3… 16 bar | 0,5 bar | |
Ex-DWR25 | 4… 25 bar | 1,0 bar | 63 bar |
Ex-DWR25-S | 4… 25 bar | 1,0 bar | |
Ex-DWR40 | 8… 40 bar | 1,3 bar | |
Ex-DWR40-S | 8… 40 bar | 1,3 bar |
All data relating to the pressure ranges, including the scale divisions on the devices, should be understood as the pressure difference between the atmospheric pressure and the set switching pressure. The zero reference point on the scale of the device corresponds to the corresponding atmospheric pressure.
The EX-DWR FEMA series pressure controls are equipped with a fireproof housing. Thanks to the use of appropriate elements in the construction, in the event of a possible explosion of a mixture of gases, the impact will be in a resistant housing. The special design prevents the explosion from spreading to the environment.
Feel free to contact us regarding the pricing of the pressure switch model selected by you. We are also happy to answer any questions you may have regarding these and other devices available in our store's offer.
• ID 0000035004 in accordance with DIN EN 764-7: 2002 and DIN EN 13611: 2008
• CE-0085CL0343 according to DIN EN 1854 of July 2006
• 01 202 931-B-11-0003 according to directive 97/23 EC
• IBExU12ATEX1040 conforms to ATEX 94/9 / EG
• IECEx IBE 14.0077