Zoeller
Models 7020 & 7021 1 & 2 HP – Progressing Cavity

For more difficult applications that are prone to clogging and require more pressure, check out our extensive offering of multi-size and application grinder pumps and packages!
APPLICATIONS
- Sanitary sewage pumping stations
- Pressure sewage systems
- Commercial and residential sewage removal
SPECIFICATIONS
PUMP:
- Discharge: 1-1/4” NPT horizontal
- Seals – mechanical carbon/stationary, ceramic/rotary, Buna-N elastomers
- Construction – motor housing, cover, adapter and pump housing cast iron ASTMA A-48, Class 30, 30,000# tensile strength, 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