Bell and Gossett 12GS Series Grinder Pumps

Bell and Gossett
12GS Series Grinder Pumps
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12GS Series Submersible Grinder Pump
Design: Capable of grinding domestic sewage in individual residential applications.
Cutter System: Anti-roping design. Two blade rotary cutter is threaded to shaft. Stationary cutter ring is reversible for extended service.
Impeller: Silicon bronze, semi-open, non-overloading two-vane design with pump-out vanes for mechanical seal protection. Balanced for smooth operation.
Casing: Cast iron, volute type for high efficiency. Adaptable for slide rail system.
Motor: Fully submerged in oil-filled chamber. High grade turbine oil surrounds motor for more efficient heat dissipation, permanent lubrication of bearings and mechanical seal, and protection against outside environment.
Motor Shaft: 300 series stainless steel, short over-hang for minimum shaft deflection.
Designed for Continuous Operation: Pump ratings are within the motor manufacturers recommended working limits, can be operated continuously without damage when fully submerged.
Bearings: Upper and lower ball bearings for precision positioning of parts and to carry all radial loads and thrust loads.
Mechanical Seal: Hardfaced Silicon carbide for longer life, stainless steel metal parts, BUNA-N elastomers.
Power Cable: Severe duty rated, oil and water resistant. Epoxy seal on motor end provides secondary moisture barrier in case of outer jacket damage and to prevent oil wicking.
O-Ring: Assures positive sealing against contaminants and oil leakage.
Paint: Electro-coat paint process protects all casting surfaces.
May be used with optional 11/4" stainless steel guide rail, Model A10-12. Ordered separately.
Applications
Designed for high head residential sewage applications where a gravity system is not practical. Ideal for pressure sewage systems.

Key Features

• 1-1/4" Discharge
• High Head
• Single Phase
• Automatic Or Non-Automatic

Pump Express sells a variety of options for Bell and Gossett sewer ejector pumps. These pumps have practical applications in all settings, working mostly in conjunction with bathrooms and laundry rooms that are below public or private sewer lines. With the Bell and Gossett sewer ejector pumps provided through Pump Express, solids and liquids are able to be moved upward, allowing it all to be transferred into the main sewage system.

Additional Information (PDF):

12GS Series Grinder Pumps Specification
12GS Series Grinder Pumps Product Brochure