7021 Grinder Pump
- Tri-Slice® Cutter and Plate
- Corrosion-Resistant Construction
- Oil-Filled Motor
- 100% Factory-tested
- View More Details
7021 Grinder Pump
- Tri-Slice® Cutter and Plate
- Corrosion-Resistant Construction
- Oil-Filled Motor
- 100% Factory-tested
- View More Details
This progressing cavity grinder pump is designed to meet the demands of low-pressure environments, making it ideal for sanitary sewage pumping stations, pressure sewage systems, and commercial or residential sewage removal. It features a Tri-Slice® Cutter and Plate for efficient solids reduction, corrosion-resistant construction for durability in harsh conditions, and an oil-filled motor for long-lasting, reliable performance. Plus, every Zoeller pump is 100% factory-tested to ensure it performs perfectly from day one.
Product Details
APPLICATIONS
- Sanitary sewage pumping stations
- Pressure sewage systems
- Commercial and residential sewage removal
SPECIFICATIONS
Pump:
- Discharge: 1-1/4” BSPT horizontal
- Seals – Silicon Carbide/Carbon, Buna-N elastomers
- Construction – motor housing, cover, adapter and pump housing cast iron ASTMA A-48, corrosion-resistant, powder coated epoxy finish
- Attaching hardware – 304 stainless steel
- Square ring and gasket – Viton
- Stainless steel cutter and plate hardened to Rockwell C 55-60
- Pressure relief valve
- Stainless steel legs provide for free-standing installation
- Stainless steel helix hydraulic rotor
- Buna-N hydraulic stator
Motor:
- Permanent split capacitor (PSC) motor
- Stator – Class B insulation and lead wires, Nema B design
- Integral thermal overload protection with automatic reset
- Housing – Finned cast iron, oil-filled
- 416 stainless steel motor shaft
- Upper and lower ball bearings – dual, high carbon chromium steel
- 6 m (20′) power cord
Note:
Product information presented here reflects conditions at time of publication. Consult factory regarding discrepancies or inconsistencies.
Product Specifications
Hertz:
50 Hz
Horsepower:
2 HP
Voltage:
220V
Discharge:
1-1/4″
Phase:
1 Ph
Impeller Type:
Hydraulic rotor and stator
RPM:
1440
Solids Handling:
Slurry
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