Balcrank 1120-037 Centerflo CF50 Air Operated Double Diaphragm Pump

Balcrank 1120-037 Centerflo CF50 Air Operated Double Diaphragm Pump

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Heavy-duty fluid handling equipment for fleet, municipal and government service bays. Request a quote for pricing, freight and installation lead times.

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Max Flow
53 gal/min
Air Pressure
22-115 psi
Fluid Ports
1" NPT(F)
Air Inlet
3/8" NPSM(F)

Air-Efficient Flow-Through Design
More efficient than traditional AODD pumps with minimal air consumption

Non-Icing Air Motor
Dependable operation in all conditions without air motor freeze-up

Rotatable Port Orientation
Inlet and outlet ports can be oriented to fit any installation

In-Place Serviceability
Diaphragms and air motor can be serviced without pump removal

Handles Solids in Suspension
Capable of pumping fluids with particles up to 1/8 inch

Overview

The Balcrank 1120-037 CenterFlo CF50 is a high-performance 1-inch air operated double diaphragm pump engineered for efficient fluid transfer and evacuation in vehicle service applications. With a maximum flow rate of 53 gal/min and an innovative flow-through design, the CF50 delivers superior air efficiency compared to traditional AODD pumps. The aluminum construction with Hytrel diaphragms and Buna-N check balls provides durability and chemical compatibility for light viscosity fluids, synthetic and mineral oils, anti-freeze, and used oil. Designed for versatility, the pump features rotatable inlet and outlet ports to accommodate any installation, while the non-icing air motor ensures reliable operation. Field serviceability is simplified, diaphragms and the air motor can be serviced without removing the pump from the installation.

Specifications

Specification Value
Model Number 1120-037
Product Line CenterFlo CF50 Series
Pump Type Air Operated Double Diaphragm (AODD)
Maximum Free Flow 53 gal/min (200 l/min)
Air Inlet 3/8" NPSM(F)
Fluid Inlet Port 1" NPT(F)
Fluid Outlet Port 1" NPT(F)
Air Pressure Range 22-115 psi (1.5-8 bar)
Solids in Suspension 1/8" (3.2 mm)
Wetted Materials Aluminum, Hytrel, Acetal, Buna-N™, Stainless Steel
Diaphragm Material Hytrel
Check Ball Material Buna-N™
Recommended Fluids Light viscosity fluids, synthetic oils, mineral oils, anti-freeze, used oil
Recommended Applications Fluid dispensing, transfer, and evacuation
Service Bulletin SB 1147
Mounting Bracket 4411-036 (sold separately)

Key Features

Flow-Through Fluid Design

Utilizes an air-efficient flow path that outperforms traditional AODD pumps, delivering high performance with minimal air consumption for lower operating costs.

Non-Icing Air Motor

Engineered with a dependable air motor that resists freeze-up, ensuring consistent operation even in demanding environmental conditions.

Configurable Port Orientation

Inlet and outlet ports can be rotated to suit specific installation requirements, providing maximum flexibility in tight or custom spaces.

In-Place Serviceability

Diaphragms and air motor components can be serviced with the pump installed, reducing downtime and simplifying maintenance procedures.

High-Volume Capacity

Capable of transferring, dispensing, or evacuating fluids at up to 53 gallons per minute, ideal for high-volume applications including bulk fill and used fluid recovery.

Handles Contaminated Fluids

Designed to pump fluids containing solids in suspension up to 1/8 inch, making it suitable for used oil and other contaminated fluid applications.

Ideal Applications

Used oil and anti-freeze evacuation in car dealerships and service centers
Bulk transfer of synthetic and mineral-based motor oils in fleet maintenance facilities
High-volume dispensing and transfer operations in mining and construction equipment servicing
Lube truck fluid transfer systems and in-plant transfer applications

Frequently Asked

What fluids can the Balcrank 1120-037 CF50 pump handle?+
The CF50 is designed for light viscosity fluids including synthetic oils, mineral oils, anti-freeze (glycol-based), used oil, and windshield wash solution. The aluminum body with Hytrel diaphragms and Buna-N check balls provides excellent chemical compatibility for these fluids.
Can the CF50 pump be serviced without removing it from the installation?+
Yes, one of the key design features of the CF50 is field serviceability. Both the diaphragms and air motor can be serviced with the pump installed, minimizing downtime and simplifying routine maintenance.
What air pressure is required to operate the CF50 AODD pump?+
The CF50 operates on an air pressure range of 22-115 psi (1.5-8 bar). The flow-through design delivers higher performance with minimal air consumption compared to traditional AODD pumps, improving air efficiency.

Ready to Improve Fluid Transfer Efficiency?

Contact Liftnow today to order the Balcrank 1120-037 CenterFlo CF50 AODD pump or to discuss the best fluid handling solution for your facility. Our team can help configure the right pump package and accessories for your application.

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gov@liftnow.com1-800-LIFT-NOW

Buying Balcrank 1120-037 Centerflo CF50 Air Operated Double Diaphragm Pump for a government or commercial fleet? Liftnow handles the full project on one purchase order: equipment, freight, installation, ALI inspection, and first-year service. Financing is available. Request a quote, call 800-543-8669, or email gov@liftnow.com.

One vendor, one PO, full warranty: Liftnow sells, delivers, and installs the lift and passes through the manufacturer’s warranty, with no separate suppliers and installers to coordinate.

See recent public-sector installations in our government project portfolio.

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