BRJ12G R4 12G Submersible Grinder Pump 1¼? NPT Discharge Wastewater

Product catalog summary

Specifications:
The 12G Submersible Grinder Pump is designed for residential sewage applications. It features a capacity of up to 41 GPM and a total head of up to 95' TDH. The discharge size is 1¼" NPT, and it can handle temperatures up to 104ºF continuously and 140ºF intermittently. The pump includes a single mechanical seal made of silicon carbide and stainless steel components.

Design and Construction:
The pump is equipped with a rotating cutter and cutter ring made of hardened stainless steel, designed to grind domestic sewage efficiently. The impeller is made of silicon bronze and is semi-open with a two-vane design to prevent overloading. The casing is made of cast iron and is adaptable for a guide rail system. The motor is fully submerged in an oil-filled chamber for efficient heat dissipation and protection.

Motor and Power:
The motor is a single-phase, 2 HP, 60 Hz, 3450 RPM unit with a capacitor start and built-in thermal protection. It operates at 208/230 V and is designed for continuous operation when fully submerged. The power cable is oil and water-resistant, with options for bare leads or a 230 V plug.

Performance and Application:
The pump is suitable for high head residential sewage applications where gravity systems are impractical. It requires a minimum flow of 10 GPM to maintain a scouring velocity in the discharge pipe. The pump is tested to UL 778 and CSA 22.2 108 standards.

Additional Features:
Optional pump legs are available for installations where the pump contacts the basin floor. The pump's construction includes stainless steel and cast iron components for durability and corrosion resistance.

Catalog excerpts

BRJ12G R4 12G Submersible Grinder Pump 1¼? NPT Discharge Wastewater-1

Capacities: to 41 GPM. Total heads: to 95' TDH. Discharge: 1¼" NPT. Temperature: 104ºF (40ºC) max. continuous; 140ºF (60ºC) max. intermittent. Single mechanical seal: silicon carbide rotary/silicon carbide stationary, 300 series stainless steel metal parts, BUNA-N elastomers. Fasteners: 300 series stainless steel. Rotating cutter and cutter ring: 440ºC hardened stainless steel. 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 guide rail system. Power Cord: Available with bare leads or with a 230 V, NEMA three prong grounding plug in 20' x 30' lengths. Fifty and 100' cords are available only with bare leads. May be used with optional 1¼" stainless steel guide rail, Model A10-12. Ordered separately. SUBMERSIBLE GRINDER PUMP 1¼" NPT DISCHARGE WASTEWATER

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BRJ12G R4 12G Submersible Grinder Pump 1¼? NPT Discharge Wastewater-2

Red Jacket Water Products Wastewater MOTOR INFORMATION General: Class “F” insulation Oil-filled design Single Phase: Capacitor start Built-in automatic reset overload 208/230 V – 2 HP MOTOR FEATURES Single phase: 2 HP, 60 Hz, 3450 RPM, 208-230 V, capacitor start with on winding thermal protector. No external capacitor kits required. Class F insulation. Shaft: 300 series stainless steel threaded design. Bearings: ball bearings upper and lower. PERFORMANCE CURVE METERS FEET 110 TOTAL DYNAMIC HEAD Power cord: STOW 14/3 cords are available with bare leads in 20', 30', 50' and 100' lengths for connections...

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BRJ12G R4 12G Submersible Grinder Pump 1¼? NPT Discharge Wastewater-3

Red Jacket Water Products Wastewater Order HP Volts Phase RPM Operation Discharge Impeller Diameter Maximum LRA Weight Power Cord Number Size (inches) Amps (lbs.) 12G2012 20' with Bare Leads Manual 75 12G2012P 20' with 230 V Plug 12G2012PA 2 208/230 1 3450 Automatic 1¼" 5.62" 15 59 20' with 230 V Plug and Float 76 12G2012PS Manual 30' with 230 V Plug A non-stock pump may be special ordered with optional legs by adding an "L" suffix to the Order Number. Example: 12G2012L, 12G2012SL, 12G2012PSL, etc. See "L" List Adder in price book. MOTOR DATA Maximum HP Volts Phase RPM LRA Amps 2 208/230 Full...

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BRJ12G R4 12G Submersible Grinder Pump 1¼? NPT Discharge Wastewater-4

CUTTER ASSEMBLY 2-Blade Rotating Cutter Reversible Cutter Ring Standard Foot Optional Pump Legs Order No. 4K639 (Set of 3) Optional pump legs are recommended for poly or fiberglass basin installations where the pumps contact the basin floor. The order number for a package of (3) three optional pump legs is 4K639. Xylem Inc. 2881 East Bayard Street Ext., Suite A Seneca Falls, NY 13148 Phone: (866) 325-4210 Fax: (888) 322-5877 www.xyleminc.com/brands/redjacketwaterproducts Red Jacket Water Products are trademarks of Xylem Inc. or one of its subsidiaries. © 2012 Xylem Inc. BRJ12G R4 August 2007

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