Whatever the filter system removes from the pool water is initially collected in the filter bed. As the level of contamination increases, the resistance rises and the circulation rate may decrease. During backwashing, water flows through the filter in the opposite direction, dislodging trapped contaminants and carrying them away via the waste water pipe. This ensures the filter remains effective for its daily task.
SPECK, through its BADU range, offers manual and automatic backwash valves for domestic pool filter systems. Whether it’s simple operation via a hand lever or automatically controlled backwash cycles, the right solution makes regular filter maintenance easier. Automatic models handle the backwash, followed by a rinse cycle, and the return to normal filter operation. For reliable operation and greater convenience in everyday pool maintenance.
Benefits of SPECK
Clean the filter. Maintain performance. Make maintenance easier.
The correct direction for a clean filter.
BADU backwash valves control the flow of water through your filter system – either manually for a clear overview or conveniently via an automated system.
Effective filter cleaning
Reverse backwashing dislodges trapped dirt particles from the filter bed and carries them out of the system.
Fewer steps
Automatic backwash valves control the sequence of the backwash stages and then switch back to filter mode.
Scheduled filter maintenance
Time- or interval-controlled programmes enable regular backwash cycles. With an optional pressure switch, the cleaning process can also be triggered based on pressure.
Suitable connections
A range of valve sizes, as well as threaded and adhesive connections, make it easier to integrate the valves into new and existing filter systems
Application
Backwashing of domestic filter systems – Automation of regular backwashing cycles – Modernisation of existing backwashing technology
Products
The right pump for your application
Technical Specifications
Valve, flush drain and pump operation tailored to your filtration system.
Manual backwash valves
- BADU Mat R 41 and R 51 as multi-way valves connected to the side of the filter.
- Selection of the operating position via a hand lever.
- Versions with threaded connections, adhesive connections or a combination of both.
- The profiled seal located in the valve head makes replacement easy in the event of wear.
Automatic backwashing
- BADU OmniTronic with individually adjustable backwash and rinse cycles, as well as time- or interval-controlled operation.
- BADU OmniTronic Light with pre-defined programmes for filter operation and backwashing.
- Automatic sequence of backwashing, rinsing and return to filtration.
- Additional activation via an optional pressure switch is possible.
- Control of compatible speed-regulated pumps via the designated control interfaces.
Connections and operating limits
- BADU Mat R 41: depending on the version, threaded connections Rp 1½ or adhesive connections d 50.
- BADU Mat R 51: depending on the version, threaded connections Rp 2 or adhesive connections d 63.
- BADU Mat R 41/R 51 (manual): maximum internal housing pressure 2.5 bar, maximum water temperature 40 °C.
- BADU OmniTronic and OmniTronic Light: maximum operating pressure 2 bar, operating voltage 1~ 230 V at 50 Hz.
Integration into ZIRKEL filter systems
- BADU-Mat valves and connecting pipework suitable for the ZIRKEL 400, 500 and 600 filter units are available.
- The pipework is selected to suit the filter size and the pump used.
- A range of connection sets enables the filter housing, backwash valve and pump to be connected.
- Backwash capacity and backwash duration are tailored to the filter size and the filter medium used.
BADU Kundenberater
You can contact our BADU sales team Monday to Thursday from 8.00 am to 4.30 pm and on Friday from 8.00 am to 2.00 pm.