Walchem EWN SERIES
TF:
006478-HW-Walchem-008
Overview
The EWN Series electronic metering pumps deliver high-speed, high-precision chemical dosing with advanced control features for demanding applications.
General Specifications (Standard)
| Parameter | Specification |
|---|---|
| Max Capacity | 6.7 GPH (420 mL/min) |
| Rated Discharge Pressure | 150 PSI (10 bar) |
| Stroke Rate | 1–360 spm |
| Power Voltage | 100–240 VAC, 50/60 Hz |
| Liquid Temperature Range | 14 to 140°F (-10 to 60°C) |
Performance Variants
| Variant Type | Max Capacity GPH (mL/min) | Rated Pressure PSI (bar) | Stroke Rate |
|---|---|---|---|
| Standard | 6.7 (420) | 150 (10) | 1–360 spm |
| High Compression | 1.7 (110) | 1.2 (78) | 1–180 spm |
| High Pressure | 0.6 (40) | 290 (20) | 1–240 spm |
| High Viscosity | 2.4 (100) | 73 (5) | — |
Liquid End Materials
| Material | Code / Variant |
|---|---|
| PVC | VC / VE / VF |
| PVC | VC / VE |
| GFRPP | PC / PE / PA |
| GFRPP | PC / P6 |
| PVDF | TC / TA / FC |
| 316 Stainless Steel | SH |
Engineered for flexibility and performance, EWN Series pumps integrate easily into virtually any chemical feed system using a universal-voltage digital controller with expanded control options. Advanced solenoid technology and superior valve design ensure accurate, reliable dosing even in the most challenging operating conditions.