
Digital Metering Pumps
Lango EX-B Digital Diaphragm Metering Pump
Lango EX-B Digital Diaphragm Metering Pump.
Max flow
0–30 L/h
Max pressure
0.4–1.0 MPa (see model table)
Turndown / accuracy
±1% (repeatability)
Wetted materials
PVDF (standard)
Protection
IP65
Power
standard DC100–380V / AC85–260V; with DC24V
Features
- Stepper-motor drive, high turndown, ±1% repeatability
- Independent suction/discharge speed for viscous or off-gassing liquids
- PVDF pump head as standard
- Wide-voltage supply, display and LED status indication
- 4-20 mA, pulse, RS485, STOP and alarm interfaces as standard
- Overpressure stop and alarm, IP65
- Fast suction, slow discharge for low pulsation
Specifications
| Brand | high Lango |
| Series | EX-B |
| Series flow | 0–30 L/h |
| Max pressure | 0.4–1.0 MPa (see model table) |
| Drive | motor, drive diaphragm |
| Accuracy | ±1% (repeatability) |
| Pump head | PVDF (standard) |
| Power | 22–24 W |
| Power supply | standard DC100–380V / AC85–260V; with DC24V |
| Protection | IP65 |
| Tubing | 4×6 mm / 8×12 mm |
Applications
Materials & media
| Pump head | PVDF (standard) |
Common chemicals: NaOCl, acids, alkalis, polymers — confirm compatibility when inquiring.
Controls & communication
| Manual | Standard |
| 4-20 mA analog (direct/reverse) | Standard |
| Pulse (flowmeter / water meter) | Standard |
| Batch / interval batch | Standard |
| RS485 | Standard |
| STOP level input / emergency stop | Standard |
| Alarm output incl. overpressure | Standard |
| 12 V DC output | Standard |
Models & specs
| Model | Flow | Pressure | Power | Tube | Notes | |
| EX-B06FR | 0–6 L/h | 1.0 MPa | 22 W | 4×6 mm | PVDF head | |
| EX-B09FR | 0–9 L/h | 1.0 MPa | 24 W | 4×6 mm | PVDF head | |
| EX-B17FR | 0–17 L/h | 0.7 MPa | 24 W | 8×12 mm | PVDF head | |
| EX-B24FR | 0–24 L/h | 0.5 MPa | 24 W | 8×12 mm | PVDF head | |
| EX-B30FR | 0–30 L/h | 0.4 MPa | 24 W | 8×12 mm | PVDF head |
Dimensions & installation
Dimensional drawings available on request (CAD / PDF).
Downloads
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