Grundfos DMX 221: Three Phase Phase Mechanical Diaphragm Dosing Pumps
$2,195.60
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Product Description
The 221 pump of the DMX series is a versatile positive displacement diaphragm dosing pump. The diaphragm is coupled mechanically via a precise gear-eccenter-tapet-system to a high efficiency AC motor. The dosing capacity is adjusted by varying the stroke length at the stroke adjustment knob in the ratio 1:10. The liquid end is composed of:
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Other features:
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| Controls: | ||
| Type of connector: | No plug | |
| Type of control variant: | Standard | |
| Frequency converter: | Not prepared for VFD | |
| Liquid: | ||
| Pumped liquid: | Water | |
| Liquid temperature range: | 0 .. 40 °C | |
| Selected liquid temperature: | 20 °C | |
| Density: | 998.2 kg/m³ | |
| Technical: | ||
| Nominal flow rate at 50 Hz: | 16 l/h | |
| Number of dosing heads: | 1 | |
| Approvals: | CE,EAC,CNROHSEX | |
| Non return valve type, inlet pump 1: | Standard | |
| Non return valve type, outlet pump 1: | Standard | |
| Max viscosity: | 200 mPas | |
| Materials: | ||
| Pump housing: | Thermoplastic | |
| Dosing head, pump 1: | Plastic | |
| PVC | ||
| Valve ball: | Ceramic | |
| Al2O3 | ||
| Valve seat: | Rubber | |
| EPDM | ||
| Valve gasket: | EPDM | |
| Rubber | ||
| Installation: | ||
| Max operating pressure at 50 Hz: | 12 bar | |
| Maximum permissible inlet pressure: | 0 bar | |
| Type of inlet connection: | Connection pack | |
| Type of outlet connection: | Connection pack | |
| Size of inlet connection: | 4/6, 6/9, 6/12, 9/12 | |
| Size of outlet connection: | 4/6, 6/9, 6/12, 9/12 | |
| Max. Suction lift during operation: | 4 m | |
| Electrical data: | ||
| Power input P1: | 0.09 kW | |
| Mains frequency: | 50 Hz | |
| Max. frequency: | 50 Hz | |
| Rated voltage: | 1 x 220/240 V | |
| Enclosure class (IEC 34-5): | IP65 | |
| Cable included (Yes/No): | N | |
| Power plug: | No plug | |
| Others: | ||
| Net weight: | 7 kg | |
| Gross weight: | 9.55 kg | |
| Shipping volume: | 0.04 m³ | |
| Diaphragm Leakage Detection: | N | |
| Country of origin: | DE | |
| Custom tariff no.: | 8413509060 |