Goulds 1GA81H1GD Submersible Grinder Pump – 5.4 HP, Single Phase, 230V, 1-1/2" Discharge
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The Goulds 1GA81H1GD is a 5.4 HP submersible grinder pump from the Goulds 1GA series, designed to grind municipal, commercial, and industrial sewage into a fine slurry for pumping through small-diameter discharge lines. This model runs on 230V, single phase, 3450 RPM power. Requires an external capacitor pack for starting.
- Horsepower: 5.4 HP
- Phase: Single Phase
- Voltage: 230V, 60Hz, 3450 RPM
- Maximum Amps: 22.0 A
- Locked Rotor Amps: 120.0 A
- Discharge: 1-1/2"
- Shipping Weight: 172 lbs
- Power Cord: 50 ft, Unshielded SOW power cord
- Maximum Starts Per Hour: 15
- Insulation Class: Class F, 311F (155C)
- Maximum Operating Temperature: 104°F
- Control Panel: BCP5 (single-phase, requires capacitors)
Construction & Features:
- Impeller: Cast iron, semi-open, non-overloading multivane, pump-out vanes for seal protection
- Cutter System: Cutter: Chrome alloyed cast iron (rotating cutter); cutter ring: Hardened 316L stainless steel
- Casing: Cast iron, volute type, slide-rail adaptable, ASTM A-48 Class 35B
- Shaft: 431 series stainless steel, taper collet design
- Bearings: Oversized, pre-greased upper and lower ball bearings
- Motor: Air-filled, NEMA Type B squirrel cage induction motor
- Mechanical Seal: Tungsten carbide/ceramic lower, carbon/ceramic upper (tandem/dual seal)
Applications: Municipal, commercial, and industrial sewage grinder pumping systems requiring reliable solids reduction ahead of small-diameter force mains.
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