Walchem EZB21D1-VC EZ Series Electronic Metering Pump

Description:

The Walchem EZB21D1-VC EZ Series Electronic Metering Pump is a precision chemical dosing pump designed to deliver controlled fluid injection rates up to 1.5 GPH at pressures up to 60 PSI for industrial water treatment and process control systems. Commonly installed in cooling towers, boiler treatment systems, wastewater facilities, chemical feed skids, and industrial process water applications requiring accurate chemical metering and injection control. Maintenance technicians, water treatment operators, OEM manufacturers, and system integrators use this pump for chemical feed system repairs, dosing upgrades, replacement of failed metering pumps, and automated fluid handling applications.

Applications:

The Walchem EZB21D1-VC is commonly used in cooling water treatment programs, boiler feed treatment systems, wastewater processing facilities, industrial chemical injection systems, pH control applications, corrosion prevention programs, and automated dosing installations where precise delivery of treatment chemicals is required. Its adjustable stroke rate and compact design make it suitable for commercial and industrial water treatment systems requiring reliable and repeatable chemical feed performance.

Technical Specifications:

• Manufacturer: Walchem (Iwaki America)
• Part Number: EZB21D1-VC
• Product Series: EZ Series
• Product Type: Electronic Metering Pump
• Maximum Flow Rate: 1.5 GPH (95 mL/min)
• Maximum Pressure: 60 PSI (0.4 MPa)
• Stroke Rate: Adjustable 1-360 SPM
• Supply Voltage: 115VAC
• Frequency: 50/60Hz
• Pump Head Material: PVC
• Connection Size: 3/8 Inch Tubing Connections
• Diaphragm Material: PTFE
• Valve Ball Material: Ceramic (CE)
• Valve Seat Material: FKM
• Valve Seal Material: FKM
• Gasket Material: PTFE
• Tubing Material: Polyethylene (PE)
• Manual Speed Adjustment Control Module
• Turndown Ratio: 360:1
• Designed for Chemical Dosing and Water Treatment Applications
• Includes Foot Valve, Injection Valve, and Tubing Components

Common Replacements:

• Walchem EZB11D1-VC
• Walchem EWN Series Metering Pump
• Pulsafeeder Chem-Tech Series 100 Pump