WalchemChemical Dosing
Walchem E-Series Electronic Solenoid Metering Pumps
High-speed solenoid metering pumps with 360 SPM, auto-degassing heads, and digital pulse/4-20mA pacing.
PARTNER: Walchem
INTEGRATION: C-Water Egypt
DOCUMENTS: 1 PDF
Engineering Overview
The E-Series metering pumps combine micro-processor digital electronics with robust diaphragm mechanics. With turndown ratios up to 1800:1 and specialized liquid end materials (PVDF, PTFE, Ceramic), they handle corrosive acids, biocides, and viscous polymers with precision.
Target Applications:
•Biocide Injection for Cooling Towers
•Acid/Caustic pH Control
•Boiler Oxygen Scavenger & Cetamine Feeding
•RO Scale Inhibitor Dosing
Key Engineering Benefits:
High stroke speed up to 360 strokes/minute for smooth chemical distribution
Auto-degassing head option eliminates air-binding on chlorine/peroxide applications
External pulse multiplication/division and 4-20mA analog pacing
Manual and digital stroke length / frequency adjustments
Engineering Parameters
Technical Specifications
| Flow Rate Capacity | 0.05 to 75 L/hr (0.01 to 20 GPH) |
| Maximum Pressure | Up to 17 bar (250 PSI) |
| Liquid End Materials | PVDF, CPVC, Acrylic, 316SS with Ceramic/PTFE valves |
| Control Modes | Manual, Pulse Multiplier/Divider, 4-20mA Proportional |