Watson-Marlow Fluid Technology Group
Watson-Marlow - Model Qdos -Chemical Metering and Dosing Pump
Delivering flow rates that remain constant right up to 9 bar Qdos peristaltic chemical metering and dosing pumps give users a unique advantage over diaphragm metering pumps. Qdos pumps offer long maintenance intervals - reducing the impact of process downtime and lowering the overall cost of ownership.
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Eliminate ancillary equipment
A diaphragm metering pump often requires a range of high maintenance ancillary items to function.
Qdos pumps eliminate the need for ancillary equipment while ensuring accurate, linear and repeatable metering across all process conditions.
- Flow rates from 0.1 to 2000 ml/min at up to 9 bar
- Simple drop-in installation eliminates ancillary equipment
- Reduced maintenance with single, no-tools, component replacement
- Cost of ownership is less than that of a diaphragm pump
- Cut chemical cost through higher accuracy metering
- No backpressure valves, pulsation dampener, degassing valves, foot valves, strainers or float switches
- Max. flow rate: 2000 ml/min
- Min. flow rate : 0.1 ml/min
- Max. flow rate: 31.7 USGPH
- Min. flow rate: 0.001 USGPH
- Max. operating pressure: 9 bar
- Max. operating pressure: 130 psi
- Ambient Temperature Range: 5 °C to 45 °C
- Ambient Temperature Range: 41 °F to 113 °F
- Control types: Manual, Profibus®, Remote, Universal, Universal relay, Universal+, Universal+ relay
- Standards: CE, cETLus, CSA, C-Tick, IRAM S Mark, NSF 61
- Drive ingress protection: IP66, NEMA 4X
- Drive power supply: 100 V to 240 V AC 50 Hz to 60 Hz 190 VA, 12 V to 24 V DC