7020, 7021 Grinder Pumps

Features and Benefits

APPLICATIONS

• Sanitary sewage pumping stations
• Pressure sewage systems
• Commercial and residential sewage removal

SPECIFICATIONS

PUMP:

• Discharge: 1-1/4” NPT 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
• 20′ (6 m) power cord with 15 amp plug (extended cord lengths available)