New Launch
Enhanced pumphead, bearings, and drive components deliver greater durability, improved sealing, and consistent performance under demanding conditions.
Enhanced
CHEM-FEED® MD1
The Enhanced CHEM-FEED® MD1 Multi-Diaphragm Pump incorporates the latest advancements in chemical metering technology to deliver unmatched reliability and true plug-and-play operation. At its core is our patented dual-diaphragm Hyperdrive® system, where one diaphragm draws while the other discharges—producing smooth, virtually pulse-less flow. This motion reduces chemical agitation and mitigates common issues like vapor lock, loss of prime, and inconsistent dosing when working with off-gassing chemicals.
Built for demanding environments, the MD1 features rugged construction, mistake-proof check valves, and a 180 PSI pressure rating, which is a 20% increase over the previous MD1. These enhancements dramatically reduce maintenance frequency, protect against downtime, and maintain consistent flow even under high system pressures.
Applications Include:
- Disinfection (PAA dosing for wastewater and effluent treatment)
- pH control in municipal treatment processes
- Coagulation and flocculation chemical feed
- Nutrient removal dosing (e.g., ferric, alum, polymers)
- Odor control chemical injection (including PAA where applicable)
- Dechlorination systems requiring precise chemical dosing
Key Features
Patented Hyperdrive® Multi-Diaphragm Technology for smooth, nearly pulse-less metering.
Excels with off-gassing chemicals such as Peracetic Acid (PAA), Hydrogen Peroxide, Aqueous Ammonia, and Sodium Hypochlorite.
Double Ball Checks for improved pumping reliability.
Unibody cartridge valve (NEW) simplifies maintenance.
Unidirectional valve ports (NEW) prevent incorrect installation.
Exclusive DiaFlex® Diaphragm covered under the pump’s 5 year warranty.
Self-priming, vapor-lock resistant, with up to 20 ft. suction lift.
User Interface & Controls
Intuitive display for output adjustment, priming, and control modes.
Heavy-duty UV shield protects display in harsh environments.
Built-in Leak Detection (DFD): senses diaphragm failure and automatically shuts down.
Inputs/Outputs
3 signal inputs:
- 4–20 mA (±0.1% full scale)
- Remote start/stop via external switch
- Flow Verification via MS6 or MICRO-FLO sensors (shuts down pump and triggers alarm if no flow detected)
3 signal outputs:
- Motor on/off relay
- Alarm relay (diaphragm rupture or no flow)
- 4–20 mA output
All I/O via M12 connectors for easy, reliable wiring.
USB-C connector for simplified field firmware updates.
Design & Maintenance
Innovative manifold design with left/right suction and discharge options.
Multiple connection types: ½” hose barb (elbow/inline), ½” male NPT (elbow/inline), quick disconnect (inline).
Innovative wall-mount bracket snaps pump securely into place.
Lockout feature prevents tampering.
Model Options
| Features | MD1C – Control Model | MD1B – Base Model |
|---|---|---|
| Model | ||
| Flow Output Range | 0.0007 – 7.0 GPH (0.0026 – 26.46 LPH) |
0.0007 – 7.0 GPH (0.0026 – 26.46 LPH) |
| Turndown | 10,000:1 | 10,000:1 |
| Warranty | 5 YEAR | 5 YEAR |
| Variable Speed (DC Motor – Brushless) | BRUSHLESS | BRUSHLESS |
| Dia-Flex® PVDF Diaphragm | ||
| DFD (Diaphragm Failure Detection) | ||
| Protective LCD Snap-On Cover | ||
| Input: Remote Start/Stop | ||
| Input: 4–20 mA | ||
| Output: 4–20 mA | ||
| Firmware & Connectivity | ||
| Front Panel Functions |
LED/LCD Readout Rate Display Flow Verification Sensor control Remote Start/Stop toggle Lock-Out Prime key Start/Stop Up/Down Adjust Manual Speed Adjust 4–20 mA mode |
LED/LCD Readout Prime key Lock-Out key Start/Stop key Up/Down keys |
| Inputs / Outputs |
4–20 mA Input Remote Start/Stop Flow Verification Sensor (FVS) 4–20 mA Output Pump running signal Alarm relay output IP67-rated 316 stainless steel M12 ports |
No I/O connections |
