Goulds 1GD51G3AA Submersible Grinder Pump – 2 HP, Three Phase, 230V
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The Goulds 1GD51G3AA is a 2 HP submersible grinder pump built to reduce municipal, commercial, and industrial sewage solids into a fine slurry that can be pumped through small-diameter discharge piping. It runs on 230V, three phase, 60Hz power. The pump is UL778 and CSA 22.2 No. 108 tested.
- Horsepower: 2 HP
- Phase: Three Phase
- Voltage: 230V, 60Hz, 3450 RPM
- Maximum Amps: 12.0 A
- Locked Rotor Amps: 37.4 A
- Discharge: 1-1/4" NPT, removable flange
- Solids Handling: 3" max spherical solids
- Shipping Weight: 105 lbs
- Power Cord: 20 ft, 14/4 STOW
- Maximum Submergence: 50 ft
- Maximum Working Pressure: 50 PSI
- Temperature Rating: 104°F continuous / 140°F intermittent
- Guide Rail: A10-12
- Certification: UL778 and CSA 22.2 No. 108 tested
Construction & Features:
- Impeller: Semi-open, multi-vane, with pump-out vanes on back shroud, dynamically balanced; material: Silicon bronze, ASTM C87600
- Cutter System: Two-blade, anti-roping design, keyed to motor shaft, reversible cutter ring; material: 440C stainless steel
- Casing: Heavy duty cast iron, volute type, ASTM A48 Class 30
- Shaft: AISI 300 series stainless steel, keyed
- Motor: NEMA 56 frame, oil-filled, Class F insulation
- Mechanical Seal: Upper: Carbon/Ceramic, BUNA-N; Lower: Silicon Carbide/Silicon Carbide, BUNA-N; 300 series SS metal parts
- Overload Protection: Three phase: requires ambient-compensated Class 10 overload protection in the control panel/starter (not built in).
Applications: Municipal, commercial, and industrial low-pressure sewage grinder systems where solids must be reduced to pass through small-diameter force main piping.
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