Barnes Retrofit Grinder Pump - 115V - Standard Head (20 gpm & 90 foot head) - Internal Start Components
SKU: BRG2-11SI
Price: $1,785.99
The Barnes retrofit grinder pumps easily handle residential, light commercial or industrial sanitary waste, reducing it to fine slurry. The Barnes retrofit pump is designed for use in pressure sewer applications or any piping network.
The recessed vortex impeller design of the Barnes retrofit grinder pump provides trouble free, non-overloading operation over the entire performance curve. The Barnes retrofit pump produces capacities to 20 gpm with heads to 90 feet.
The Barnes retrofit pump operates with the same control panel and installation piping / rail system.
- Turnkey Replacement Package
- No Modifications to Existing System
- Operates with same Control Panel
- Superior Pump Performance
- Reliable Operation
- The MDI advantages:
- Fits Existing System - No Changes
- Eliminates Existing Problems
- Better Pump Performance - More Flow
- Reduces Service/Maintenance Issues
- Saves up to 20% on energy costs
G2-11SI Spec Sheet
Pump Manual
Manufacturer: MDI Sewage Products
Weight: 125 lb
Delivery: Ships in 4-10 Business Days
Features and Benefits
- 1 year warranty
- 30' SOOW 12 AWG cord
- Strong, 2 HP, 115 volt motor 16.9 AMPS
- Internal start component (no control box required)
- Single Phase @ 60 Hz
- Potted cord cap assembly
- Dual silicon carbide shaft seals
- 3 Bearings shaft support
- Pressed in motor
- Thermally Protected
Pump Features
- Triple Sealed Cable Entrance
- Stainless steel strain relief cord grip with compression grommet protects outer cord jacket. Epoxy filled inner cord cap with individually soldered wires provide anti-wicking moisture protection to the motor even if power cable is cut or damaged.
- Internal Start Kit
- Start / Run capacitor with relay securely positioned in dry compartment. Rubber compression grommet for wire leads to motor prevents oil from entering chamber. 4 bolts quickly removes cord cap for easy servicing.
- Modular Pump Design
- Commonality of parts across the pump product line minimizes the amount of parts required for servicing. Heavy duty ASTM A48, Class 30 cast iron components.
- 3-Bearing Support
- Motor / Pump shaft securely held with upper and lower ball bearing plus addition sleeve bearing in lower seal chamber. Long 50,000 hour B-10 bearing life.
- Moisture Detection
- Seal leak probe signals alarm in control panel for scheduled maintenance.
- Non-Overloading Hydraulic Design
- The recessed centrifugal impeller allows 100% performance curve operation from shut-off to maximum flow without damage to the pump or system. The recessed vortex impeller is out of the passageway of fluid flow, eliminating concerns of blockage or wear.
- Proven Grinder Assembly
- Hardened (Rockwell 56-60) stainless steel grinder assembly has 30+ years proven field experience. The reversible grinder ring and grinder impeller effectively reduces solids into a fine slurry, easily passable in a piping system without concerns of clogging. Highly efficient 7,400 cuts per second.
- Easy Piping Connection
Pump Data
- Discharge: 1-1/4" NPT Vertical
- Grinder Ring: 8 Slots
- Impeller Dia.: 5.5"
- Impeller Vanes: 12
- Impeller Type: Recessed Vortex
Motor Data
- Start Capacitor: 200 mfd, 125 volt
- Run Capacitor: 70 mfd, 250 volt
- Rated Power: 115 volt, 1-Phase
- Rated Current: 16.9 amps
- Starting Current: 48 amps
- Pole / Rate Speed: 2 Pole / 3450 RPM
- Insulation Class: F

MDI Inc. Our Company!
See all MDI Sewage Products
Mercury Displacement Industries Incorporated, better known in the industry we serve as MDI, was incorporated in Michigan in 1975. The primary product line is switch gear components including mercury type contactors, tilt switches and liquid level float controls.
Contactors are rated from 30 to 100 Amperes and are commonly used in various heating, lighting, and many other industrial applications including high voltage ultraviolet type loads. The contacts are encased in hermetically sealed stainless steel tubes to provide reliable switching for millions of operations. All basic units are UL, CSA, and CE approved.
The liquid level control floats are manufactured with mechanical or mercury switches. The float material is High Impact Polystyrene for normal alarm, sump pump or water applications, For sewage, 1 or 2 H.P. or high temperature, 86°C (186°F) requirements Acrylonitrile Butadiene Styrene, (ABS) float material is provided.
MDI has 40 to 50 employees and markets products through distributors, representatives or direct to OEM accounts throughout the world.
MDI Quality Policy
It is the policy of MDI to manufacture and market products of excellent quality, durability and reliability. This policy emphasizes the importance of product reputation and customer satisfaction in the success of our business. The MDI Team is committed without exception to the continuous improvement in quality and cost, and to manufacturing productivity and efficiency.