• Model 611: 1 HP, Model 621: 1.5 HP, Model 631: 2 HP, Model 641: 3 HP, Model 651: 5 HP, Model 661: 7.5 HP
• Class 30 cast iron construction
• All units are double seal for extra motor protection
• Corrosion-resistant, powder coated epoxy finish
• Stainless steel screws, washers, tag and seal assembly
• 1 Ph – capacitor start, capacitor run
• Oil-filled, hermetically-sealed motor with heavy-duty, finned motor housing for added heat dissipation
• Continuous duty operation in submerged conditions
• Maximum temperature for sewage or dewatering: 104 °F (40 °C) with 1.2 service factor (1.0 service factor on model 661)
• 416 stainless steel motor shaft
• Stainless steel fitted tandem shaft seals, carbon/ceramic seal faces
• Over-sized upper and lower ball bearings running in an oil bath
• Buna N square rings and seals used throughout
• All models pass 2-1/2” (63 mm) spherical solids
• Specify 3” NPT vertical, 3” horizontal flanged or 4” horizontal flanged discharge
• 100% computerized tested
• Major width: 17-9/16″ (44.6 cm)
• Major height: 29-1/4″ (74.3 cm)
• Rail systems available for all models
• Control panels with overload protection available
• Non-automatic for variable level control systems
• Double seal only
• Patent No. 6,364,620
• 1 year limited warranty

Notes

The sizing of effluent systems normally requires variable level float(s) controls and properly sized basins to achieve required pumping cycles or dosing timers with non-automatic pumps.

Reserve powered design.
For unusual conditions a reserve safety factor is engineered into the design of every Zoeller pump.