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| Solenoid Driven Metering Pumps |
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DULCO®flex DF4a Peristaltic Pump for Flocculant Metering |
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The DULCO®flex DF4a peristaltic pump has been specifically developed for flocculant metering applications. It is used wherever flocculants needs to be added constantly and accurately to treated water. Typical applications include swimming pools and whirlpools. |
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 Advantages
- Sign-based user prompting and programming with four buttons for easy and convenient operation
- Safe operation by entering the reproducible throughput quantity and concentration
- Straightforward installation ensures flexible retrofit – also in existing installations
- Efficient operation, e.g. by reducing feed rates at night
- Hose change made easy by servicingfriendly design
- Proportional adaptation of metering rate via current and voltage input
Features
- Silent-running speed-variable stepper motor with drive shaft mounted in ball bearings
- No mechanical gears means long service life
- 100 % duty factor
- Operating pressure up to 4 bar possible
- Infinitely variable adjustment of metering rate from 1 to 100 %
- Reproducible metering rates of 1.5, 6.0 and 12.0 l/h are shown on the display
- Operating and hose hours counter
- Intake function (continuous operation)
- Level input (1-stage or 2-stage contact)
- Hose break monitoring with alarm relay
- Switchable output rate change, e.g. night reduction or increased output
Main applications
For metering flocculants in:
- Swimming pools
- Whirlpools
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Feedrate |
Speed |
Pump hose |
Hose
connection |
Suction lift |
Intake head |
| Pump type DULCO®flex DF4a |
bar |
l/h |
rpm |
o.D. × i.D. |
o.D. × i.D. |
mWS |
mWS |
| 04015 |
4,0 |
1,5 |
0-85 |
1,6 x 4,8 |
6x4 / 10x4 |
4 |
3 |
| 03060 |
2,5 |
6,0 |
0-85 |
3,2 x 6,4 |
6x4 / 10x4 |
4 |
3 |
| 02120 |
2,0 |
12,0 |
0-85 |
4,8 x 8,0 |
6x4 / 10x4 |
4 |
3 | |
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Download Equipment Catalogue |
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