Pulsafeeder GreenLine Metering Pump, 72.9 GPH @ 145 PSI, PVDF wet end, No Motor (NEMA 56C)
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Pulsafeeder GreenLine Metering Pump, 72.9 GPH @ 145 PSI, PVDF wet end, No Motor (NEMA 56C)
The GreenLine‑GLM DM4DYFG‑NM is a mechanically actuated diaphragm metering pump in the DM4D hydraulic group, delivering 72.9 gph (276 lph) at 145 psi (10 bar) with a stroke rate of 175 spm. This model features a corrosion‑resistant PVDF liquid end with FKM seat O‑rings for excellent compatibility with acids, oxidizers, and aggressive chemical solutions. The “‑NM” suffix indicates the pump is supplied without a motor and includes a NEMA 56C motor adapter for user‑supplied motor integration.
Specifications
- Max Flow: 72.9 gph (276 lph)
- Max Pressure: 145 psi (10 bar)
- SPM @ 60 Hz: 175 strokes/min
- Motor: Not included — NEMA 56C adapter provided
- Suction Lift: 10 ft (3 m)
- Process Temperature: 32–113 °F (0–45 °C)
- Ambient Temperature: 32–113 °F (0–45 °C)
- Accuracy: ±2% of set point
- Stroke Adjustment: 0–100%, 1% resolution, auto‑locking
- Viscosity: up to 1,000 cPs
- Connections: 1″ FNPT suction / 1″ FNPT discharge
- Approximate Weight: 32 lb (pump only)
Materials of Construction
- Wet End: PVDF
- Seat O‑Rings: FKM
- Check Balls: Ceramic
- Valve O‑Rings: PTFE
- Diaphragm: Composite PTFE
- Housing: Epoxy‑painted aluminum
- Hardware: Stainless steel
Key Features & Benefits
- PVDF liquid end for excellent corrosion and chemical resistance
- Highest‑flow DM4 hydraulic group (72.9 GPH @ 145 PSI)
- Supplied without motor for custom motor selection
- NEMA 56C motor adapter included
- SUV check valves improve priming and reduce turbulence
- Sealed gearbox reduces noise and protects internal components
Markets & Typical Applications
- Municipal and industrial water treatment
- Handling aggressive chemicals, oxidizers, and corrosive solutions
- Chemical processing and general industrial feed systems
- Power generation and boiler chemical injection
- High‑flow applications requiring non‑metallic wetted materials with no motor
| Product Type: | Diaphragm Metering Pump, Mechanically Driven |
| Brand: | Pulsafeeder |
| Product Line: | GreenLine |
| Housing: | Epoxy Painted Aluminum |
| Max Flow (GPH): | 72.9 |
| Max Flow (GPD): | 1749.6 |
| Max Pressure (PSI): | 145 |
| Max Viscosity (CPS): | 1000 |
| Max Strokes per Minute: | 175 |
| Flow Control: | Manual stroke length adjustment (0 to 100%) |
| Turn Down Ratio: | 10:1 |
| Head/Fittings: | PVDF / PVDF |
| Valve Balls: | Ceramic |
| Diaphragm: | Composite PTFE |
| Valve / Seat / O-Ring: | PVDF / PTFE / FKM |
| Motor: | No Motor - NEMA 56C Frame Ready |
| Connections: | 1" FNPT |
| Warranty: | 2 Year Limited Warranty |
| Net Weight: | 32 lbs |
| Packaging: | Each |
| Includes: | Installation, Operation, and Maintenance Instruction Manual |
| Working Environment: | 32 to 113°F (0 to 45°C) |
