Solenoid Diaphragm Pumps
Lango EZ/EP/EH/EN/ET/ED Solenoid Diaphragm Metering Pump
Lango EZ/EP/EH/EN/ET/ED Solenoid Diaphragm Metering Pump.
Max flow
2.28–24 L/h
Max pressure
2–10 bar
Turndown / accuracy
—
Wetted materials
—
Protection
—
Power
AC100–240V, 50/60Hz (series voltage, code W)
Features
- Six control versions: knob, keypad display, pulse, LCD manual/auto, 4-20 mA, RS485
- Adjustable stroke length and output per stroke
- Up to 360 strokes per minute
- Wide voltage AC100–240 V across the range
- Four liquid-end materials for acids, alkalis, strong acids and hot liquids
Specifications
| Brand | high Lango |
| Series | EZ |
| Series flow | 2.28–24 L/h |
| Series pressure | 2–10 bar |
| Max stroke rate | 360 spm |
| Power | 20 W (B type)/ 24 W (C type) |
| Power supply | AC100–240V, 50/60Hz (series voltage, code W) |
| Tubing (ID×OD) | 1: ø4×ø9 PVC braided hose; 2: ø8×ø13 PVC braided hose; 3: ø4×ø6 PVDF tube; 4: ø8×ø10 PVDF tube (each 3 m) |
| Model code | EZ-B10VC-W1 = series - drive material - voltage hose |
Applications
Materials & media
| VC (acids) | head PVC; valve ball ceramic; valve seat FKM; valve housing PVC; gasket PTFE; O -ring FKM |
| VH (alkalis) | head PVC; valve ball ceramic; valve seat EPDM; valve housing PVC; gasket PTFE; O -ring EPDM |
| DF (strong acids) | head PVDF; valve ball ceramic; valve seat PTFE; valve housing PVDF; gasket PTFE; O -ring PTFE |
| SU (hot liquids) | head SU316; valve ball SU316; valve seat SU316; valve housing SU316; gasket PTFE; O -ring PTFE |
| Diaphragm | PTFE+EPDM (EPDM and liquid) |
Common chemicals: NaOCl, acids, alkalis, polymers — confirm compatibility when inquiring.
Controls & communication
| EZ: manual knob | Standard |
| EP: LED display, keypad | Standard |
| ET: 5–24 V pulse input | Standard |
| EH: LCD, manual / dry-contact pulse, STOP | Standard |
| EN: LCD, manual / 4-20 mA, STOP | Standard |
| ED: LCD, manual / RS485, STOP | Standard |
Models & specs
| Model | Flow | Pressure | SPM | Power | Notes | |
| EZ/EP/ET/EH/EN/ED-B10 | 2.28 L/h | 10 bar | 360 | 20 W | stroke volume 0.05–0.11 ml; degassing valve ○ | |
| EZ/EP/ET/EH/EN/ED-B15 | 3.9 L/h | 7 bar | 360 | 20 W | stroke volume 0.09–0.18 ml; degassing valve ○ | |
| EZ/EP/ET/EH/EN/ED-B20 | 5.7 L/h | 4 bar | 360 | 20 W | stroke volume 0.13–0.26 ml; degassing valve ○ | |
| EZ/EP/ET/EH/EN/ED-B30 | 12 L/h | 2 bar | 360 | 20 W | stroke volume 0.28–0.56 ml; degassing valve × | |
| EZ/EP/ET/EH/EN/ED-C15 | 4.8 L/h | 10 bar | 360 | 24 W | stroke volume 0.09–0.22 ml; degassing valve ○ | |
| EZ/EP/ET/EH/EN/ED-C20 | 7.8 L/h | 7 bar | 360 | 24 W | stroke volume 0.14–0.36 ml; degassing valve ○ | |
| EZ/EP/ET/EH/EN/ED-C30 | 16.2 L/h | 3.5 bar | 360 | 24 W | stroke volume 0.3–0.75 ml; degassing valve × | |
| EZ/EP/ET/EH/EN/ED-C35 | 24 L/h | 2 bar | 360 | 24 W | stroke volume 0.44–1.11 ml; degassing valve × |
Dimensions & installation
Dimensional drawings available on request (CAD / PDF).
Downloads
Related / accessories
Solenoid Diaphragm Pumps
Doseuro SDP Series Solenoid Diaphragm Metering Pump
Solenoid Diaphragm Pumps
DM Series Solenoid Diaphragm Metering Pump
Solenoid Diaphragm Pumps
DFD Series Solenoid Diaphragm Metering Pump
Solenoid Diaphragm Pumps
SEKO Tekna Vertical/Wall-Mount Solenoid Diaphragm Pump
Solenoid Diaphragm Pumps
DP Series Solenoid Diaphragm Metering Pump
Solenoid Diaphragm Pumps
SEKO Tekba Digital Horizontal Solenoid Diaphragm Pump
Related solutions
Reverse Osmosis Dosing
Antiscalant, reductant and non-oxidizing biocide dosing to protect membrane elements.
Smart Secondary Supply Disinfection
Unattended pump-room retrofits: hypochlorite dosing with online residual chlorine/pH and remote alarms.
Seawater Desalination Pretreatment
Flocculant, antiscalant and defoamer dosing with online SDI monitoring to protect RO membranes.
Related case studies
Drinking Water
Water Plant NaOCl Disinfection System
Complete dosing skid with online finished-water chlorine monitoring keeps byproducts controlled.
Hospital
Hospital Wastewater Disinfection
Online chlorine monitoring with auto-dosing and alarm sampling passed environmental acceptance.
Desalination
Desalination Pretreatment Dosing
Automatic flocculant dosing with SDI early warning significantly reduced membrane fouling.
Need help selecting?
Share duty (flow, pressure, media, controls) — we reply within 1 business day.