The PULSAFEEDER DM2A3PB is a heavy-duty industrial chemical metering pump engineered for accurate, repeatable injection of treatment chemicals in continuous-duty process systems. It uses a positive-displacement diaphragm liquid end driven by a variable-eccentric stroke mechanism, allowing manual or motor-driven capacity adjustment while the pump is running or stopped. The DM2A3PB is built for precise dosing of acids, caustics, coagulants, and other compatible fluids across water treatment, chemical processing, and industrial fluid-handling circuits.
PULSAFEEDER DM2A3PB Technical Specifications
| Parameter | Specification |
|---|---|
| Product Type | Mechanically actuated diaphragm metering pump |
| Series | PULSAFEEDER DM2 Series |
| Liquid End | Diaphragm, positive displacement |
| Capacity Control | Manual micrometer stroke adjustment |
| Drive | Electric motor, continuous duty |
| Mounting | Base-mounted, foot-supported |
| Typical Service | Chemical injection and proportional dosing |
Key Engineering Features
- Positive-displacement diaphragm liquid end isolates the process fluid from the drive mechanism
- Variable-eccentric stroke adjustment for precise capacity control across the full turndown range
- Rugged cast housing and heavy-duty bearings for continuous industrial duty
- Seal-less liquid end design minimizes leakage paths and maintenance requirements
- Compatible with a wide range of chemical-resistant wetted materials
Industrial Applications
- Municipal and industrial water treatment chemical dosing
- Wastewater pH adjustment and coagulant injection
- Boiler and cooling tower chemical feed systems
- Process chemical addition in petrochemical and refining circuits
- General industrial fluid metering and proportional dosing skids
For technical inquiries, dimensional drawings, or replacement support for PULSAFEEDER DM2A3PB, contact the Pro-Hydraulic engineering team.
PRODUCT IMAGES


PULSAFEEDER DM2A3PB Chemical Metering Pump
⚡ Emergency Plant Maintenance & Ready-to-Ship Notice:
- Authentic & Fully Tested: 100% bench tested for hydraulic response, pressure rating, and null-bias stability before dispatch.
- Fast Dispatch: In-stock units ready for same-day dispatch via DHL / FedEx Express directly to your plant.
- Pre-Shipment Verification: High-definition photos, video testing runs, and serial number verification provided prior to shipment.
- Peace of Mind: Covered by our 12-Month Replacement Warranty.
Shop the PULSAFEEDER DM2A3PB Chemical Metering Pump. This precision-engineered industrial component delivers reliable fluid control for heavy-duty systems.