Description：
The German Rdose (alledosieren) company is a professional group company with a history of more than 70 years in the development, production and sales of chemical pumps and their control equipment. Headquartered in the Midwest of Germany, Aldous Fluid Equipment (China) Co., Ltd. was established in 2006.
Aldous series dosing control systems are widely used in water treatment, environmental protection, petrochemical, metallurgy, electric power, food, textile, papermaking, Electroplating and other industries.
we will pay more attention to introduce A Dose electromagnetic diaphragm metering pump.
Performance parameters：
RD series electromagnetic diaphragm metering pump
Manual control series (manually adjust the stroke frequency and length. The digital tube displays the current working frequency)
| Model | Flow L/H | Pressure （Bar） | Stroke frequency N/M | Suction lift M | Weight KG | Power W | Power supply |
| RD-01-07 | 1 | 7 | 120 | 2 | 2.5 | 16 | 220VAC.50HZ |
| RD-02-07 | 2 | 7 | 120 | 2 | 2.5 | 16 | 220VAC.50HZ |
| RD-03-07 | 3 | 7 | 120 | 2 | 2.5 | 16 | 220VAC.50HZ |
| RD-06-07 | 6 | 7 | 160 | 2 | 2.5 | 16 | 220VAC.50HZ |
| RD-10-04 | 10 | 4 | 200 | 2 | 2.5 | 16 | 220VAC.50HZ |
Repeated metering accuracy: 2% within the operating range
Ambient temperature, -10-45℃
Power supply: 220V50HZ-10%.+10%
Power: 16W
Protection class: IP65
Insulation class: F
External control liquid level signal: passive contact Contact load: 5V, 0.5A
External control pulse signal: passive contact or pulse signal
Pulse level height (-30VDC-30VDG), frequency range (less than IKHZ)
Three-wire flow sensor: metering pump can provide power for it (+5VDC.200MA)
External analog control: 4-20ma current signal
Material table
Diaphragm:PTFE
Pump head: PVC, PP
Check valve: PVCPP
Bottom valve filter:PVC.PP
Injection valve: PVC.PP
Hose: PVC.PE.PTFE
Seals: EPDM.FPM, PTFE
Contact：
Email：Sara@water-ts.com
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