280-Series Cast Iron Sump/Effluent Pump
Brand: Liberty PumpsWith a shut-off head of 37 feet and 3/4" solids handling capability, the 280-Series by Liberty Pumps covers a wide-range of low-head to mid-range pump applications.
Designed for STEP systems, mound systems, liquid waste transfer and high output sump applications, you can count on the 280-Series to offer superior performance.
Designed with Liberty Pumps unique one-piece cast iron body and quick-disconnect cords available in 10' and 25' lengths. 35' and 50' cords available on some models.
High-output 1/2 hp submersible with rugged cast iron housing.
Features- Liberty Pumps unique, one-piece “Uni-Body” casting
- Quick-connect 10' standard power cord allows replacement of cord in seconds without breaking seals to motor (other lengths available)
- Permanently lubricated upper and lower bearings
- Oil-filled, hermetically sealed motor with thermal overload protection
- Stainless-steel removable bottom screen
- Stainless-steel rotor shaft
- Stainless-steel fasteners
Specifications
Brand
Impeller
- Vortex Style Engineered Polymer
Paint
- Powder Coat
Maximum Fluid Temperature
- 140° F (60° C) Intermittent
- 104° F (40° C) Continuous Duty
Power Cord Type
- SJTW (10' and 25' Models)
- SJTOOW (35' and 50' Models)
Motor Housing
- Class 25 Cast Iron
Shaft
- Stainless Steel
Hardware
- Stainless Steel
Mechanical Shaft Seal
- Unitized Ceramic Carbon
Bearings
- Upper and Lower Ball Bearings
Weight
- 29 lbs (Model 257)
Height
- 13”
Major Width
- 10” (Model 287)
Cord Length
- 10 to 50 ft
Motor
- 1/2 hp, 8 A (115 V ), 4 A (208/230 V)
- Oil-Filled
- Thermally Protected (PSC) Permanent Split Capacitor
Certifications & Approvals
- cCSAus
- SSPMA