Pulsafeeder GreenLine Metering Pump, 3.2 GPH @ 174 PSI, 230/460 V with VFD, with 316 SS wet end
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Pulsafeeder GreenLine Metering Pump, 3.2 GPH @ 174 PSI, 230/460 V with VFD, with 316 SS wet end
The GreenLine-GLM DM1AVAC is a rugged, mechanically actuated diaphragm pump delivering precise chemical dosing with low cost of ownership. Powered by a 230/460 V TEFC motor with integrated variable-frequency drive (VFD), it features a 316 SS wet end, 0.5″ FNPT connection, and is rated for 3.2 gph (12 lph) at 174 psi (12 bar). Its compact industrial design, sealed gearbox, and dynamic flow control make it ideal for automated dosing in water treatment, chemical processing, and power generation applications.
Specifications
- Max Flow: 3.2 gph (12 lph)
- Max Pressure: 174 psi (12 bar)
- Suction Lift: 10 ft (3 m)
- Process Temperature: 32–113 °F (0–45 °C)
- Ambient Temp Range: 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
Materials of Construction
- Wet end: 316L SS
- Diaphragm: composite PTFE, double-sided PTFE coating
- Check valves: ceramic or stainless steel
- Housing: epoxy-painted aluminum
- Hardware: stainless steel
- Lubrication: oil bath (ease of fill and sight glass provided)
Key Features & Benefits
- Integrated VFD for dynamic flow control and automation
- Robust industrial design for long pump life and low ownership costs
- Auto stroke adjustment lock ensuring drift-free, accurate dosing
- Leak-free wet end with secondary sealing for environmental safety
- Toolless valve and connection options for fast installation and servicing
- Multiple KOPkit® service options to minimize downtime
- Epoxy paint and ETFE coatings for chemical resistance in harsh environments
- Fully sealed, outdoor-duty gearbox protecting internal components
- Oil sight glass and never-seize coupling for quick maintenance checks and motor removal
Markets & Typical Applications
- Water treatment, power generation, petrochemical, mining, pharmaceutical
- Handling acids, caustics, pH control, catalysts, cleaning agents, polymers, bleaches, dyes/inks, solvents
- Food & beverage dosing, wastewater treatment dosing
| Product Type: | Diaphragm Metering Pump, Mechanically Driven |
| Brand: | Pulsafeeder |
| Product Line: | GreenLine |
| Housing: | Epoxy Painted Aluminum |
| Max Flow (GPH): | 3.2 |
| Max Flow (GPD): | 76.8 |
| Max Pressure (PSI): | 174 |
| Max Viscosity (CPS): | 1000 |
| Max Strokes per Minute: | 88 |
| Flow Control: | 4-20mA or 0-10VDC signal input controls stroke frequency, Manual stroke length adjustment (0 to 100%) |
| Turn Down Ratio: | 100:1 |
| Head/Fittings: | 316 SS / 316 SS |
| Valve Balls: | 316 SS |
| Diaphragm: | Composite PTFE |
| Valve / Seat / O-Ring: | 316 SS / PTFE |
| Motor: | TEFC - NEMA 56C, 1/2 Hp, 230/460 VAC, 50/60 Hz, 3 Phase |
| Connections: | 1/2" FNPT |
| Power Supply: | 115/230 VAC, 50/60 Hz, 1 Phase |
| Operating Modes: | Manual, (VFD 10:1) |
| Warranty: | 2 Year Limited Warranty |
| Net Weight: | 54.5 lbs |
| Packaging: | Each |
| Includes: | Installation, Operation, and Maintenance Instruction Manual |
| Working Environment: | 32 to 113°F (0 to 45°C) |
