Pulsafeeder GreenLine Metering Pump, 7.9 GPH @ 145 PSI, 115/230 V, with 316 SS wet end and Leak Detection
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Pulsafeeder GreenLine Metering Pump, 7.9 GPH @ 145 PSI, 115/230 V, with 316 SS wet end and Leak Detection
The GreenLine‑GLM DM2A1AC‑L is a mechanically actuated diaphragm metering pump equipped with a 115/230 V, 60 Hz TEFC motor and a 316 SS liquid end. Rated for 7.9 gph (30 lph) at 145 psi (10 bar), this model includes the factory leak detection package featuring a double diaphragm, pressure gauge, and a 24 VDC leak detection switch for enhanced system protection. With its sealed gearbox, auto‑locking stroke adjustment, and 0.5″ FNPT connections, the DM2A1AC‑L is ideal for demanding industrial and municipal chemical dosing applications.
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, 115/230 V, 60 Hz, 1‑phase
- Leak Detection: Double diaphragm, pressure gauge, 24 VDC / 0.5 A switch
- 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: 60 lb (pump with motor + leak detection)
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
- Leak detection package provides early warning of diaphragm failure
- Mechanically actuated diaphragm design ensures long service life
- Auto‑locking stroke adjustment for drift‑free accuracy
- Secure diaphragm sealing technology for leak‑free operation
- 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, 1P, 1/2 Hp |
| Connections: | 1/2" FNPT |
| Power Supply: | 115/230 VAC, 60 Hz, 1 Phase |
| Warranty: | 2 Year Limited Warranty |
| Net Weight: | 60 lbs |
| Packaging: | Each |
| Includes: | Installation, Operation, and Maintenance Instruction Manual |
| Working Environment: | 32 to 113°F (0 to 45°C) |
