Pulsafeeder GreenLine Metering Pump, 7.9 GPH @ 145 PSI, 230/460 V, with 316 SS wet end
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Pulsafeeder GreenLine Metering Pump, 7.9 GPH @ 145 PSI, 230/460 V, with 316 SS wet end
The GreenLine‑GLM DM2A3AC is a mechanically actuated diaphragm metering pump designed for precise, reliable chemical dosing in industrial and municipal applications. This model features a 316 SS liquid end for durability and chemical compatibility, and is powered by a TEFC 230/460 V, 3‑phase motor. Rated for 7.9 gph (30 lph) at 145 psi (10 bar), the DM2A3AC includes a sealed gearbox, auto‑locking stroke adjustment, and 0.5″ FNPT suction and discharge connections—making it a robust choice for demanding process environments.
Specifications
- Max Flow: 7.9 gph (30 lph)
- Max Pressure: 145 psi (10 bar)
- SPM @ 60 Hz: 88 strokes/min
- Motor: 0.50 HP (0.37 kW), TEFC, 230/460 V, 60 Hz, 3‑phase
- 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: 0.5″ FNPT suction / 0.5″ FNPT discharge
- Approximate Weight: 50 lb (pump with motor)
Materials of Construction
- Wet End: 316L Stainless Steel (head, valve guides, valve seats, valve caps, check balls)
- Valve O‑Rings: PTFE
- Diaphragm: Composite PTFE, double‑sided PTFE coating
- Check Valves: Stainless steel or ceramic
- Housing: Epoxy‑painted aluminum
- Hardware: Stainless steel
- Lubrication: Oil bath gearbox with accessible fill and sight glass
Key Features & Benefits
- 316 SS liquid end provides excellent durability and chemical resistance
- Mechanically actuated diaphragm design ensures long service life
- Auto‑locking stroke adjustment for drift‑free accuracy
- Spherically uniform velocity check valves improve priming and reduce turbulence
- Compact, sealed gearbox reduces noise and protects internal components
- Never‑seize motor coupling for easy motor installation and removal
- NSF/ANSI/CAN 61 and NSF/ANSI 372 certified for many water treatment applications
Markets & Typical Applications
- Municipal and industrial water & wastewater treatment
- Power generation and boiler feed chemical dosing
- Chemical processing, refining, and petrochemical services
- Mining, metals, and mineral processing
- pH control, coagulation, flocculation, and disinfection
- Dosing acids, caustics, polymers, biocides, cleaners, and other process chemicals
| Product Type: | Diaphragm Metering Pump, Mechanically Driven |
| Brand: | Pulsafeeder |
| Product Line: | GreenLine |
| Housing: | Epoxy Painted Aluminum |
| Max Flow (GPH): | 7.9 |
| Max Flow (GPD): | 189.6 |
| Max Pressure (PSI): | 145 |
| Max Viscosity (CPS): | 1000 |
| Max Strokes per Minute: | 88 |
| Flow Control: | Manual stroke length adjustment (0 to 100%) |
| Turn Down Ratio: | 10:1 |
| Head/Fittings: | 316 SS / 316 SS |
| Valve Balls: | 316 SS |
| Diaphragm: | Composite PTFE |
| Valve / Seat / O-Ring: | 316 SS / PTFE |
| Motor: | TEFC - NEMA 56C, 3P, 1/2 Hp |
| Connections: | 1/2" FNPT |
| Power Supply: | 230/460 VAC, 50/60 Hz, 3 Phase |
| Warranty: | 2 Year Limited Warranty |
| Net Weight: | 50 lbs |
| Packaging: | Each |
| Includes: | Installation, Operation, and Maintenance Instruction Manual |
| Working Environment: | 32 to 113°F (0 to 45°C) |
