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EJ-B31 | Walchem Metering Pumps - 2.4/3.2 GPH - 30/22 psi

Product info Show all specs
Description
Walchem's EJ-B31 solenoid driven metering pump is rated to 2.4 GPH and 30 PSI as standard and 3.2 GPH and 22 PSI as the high flow version, both with configurable liquid end options
Key Specs
Feed Max
2.4 GPH
Pressure Max
30 psi
Configuration Model Codes
Base Model
Series
EJ | EJ Series
Output Capacity
B31 | 2.4 GPH (150 mL/min) - 30 psi (0.2 bar) - 30mm
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Models are:  Discontinued
Ships from New Jersey
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EJ Series

The EJ Series provide precise chemical injection at an economical price.

Universal voltage capability enables operation from 100 - 240 VAC in virtually all countries.

The EJ Series are compact, simple to operate and have outputs to 3.2 GPH (12.0 LPH) and a maximum pressure of 175 PSI (1.2 MPa).

Features & Benefits
Key Benefits
Performance
  • High-speed operation at 360 strokes-per-minute
  • High resolution chemical feed capability
  • Superior turndown ratio compared to competitors
  • Prevents common issues like:
    • Slug feeding
    • Accelerated diaphragm wear
    • Poor feed control
Power & Control
  • Universal Voltage Function
    • Compatible with any AC voltage
    • Conforms to global standards
  • Versatile control options
    • Digital input capability
    • Stop/Start functionality
    • Supports proportional control
    • Enables On/Off operation
Protection & Durability
  • IP65 equivalent protection rating
  • Robust protective features:
    • Durable housing construction
    • Integrated Digital Display
    • Protected Key Pad control
    • Water-resistant drive housing
    • Additional clear protective cover
Dimensional drawings
Exploded view
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