Graco 652850 3300S FK/FK/FK/A Diaphragm Pump
The Graco 652850 3300S FK/FK/FK/A Diaphragm Pump is a high-capacity air-operated double diaphragm pump designed for demanding industrial fluid transfer. It provides reliable performance for moving chemicals, oils, coatings, and other industrial liquids.
- Pump Type: Air-Operated Double Diaphragm (AODD)
- Series: Husky 3300
- Maximum Flow: Up to 300 GPM (1135 L/min)
- Maximum Pressure: 125 psi
- Port Size: 3 in. fluid inlet and outlet
- Fluid Section: Stainless steel construction
- Center Section: Aluminium
- Seal Material: FKM (fluoroelastomer)
- Power Source: Compressed air
Compatible Machines
The Graco 652850 3300S FK/FK/FK/A Diaphragm Pump is designed as a high-capacity transfer pump used in many industrial fluid handling systems. It is commonly installed in the following equipment and production systems:
- Chemical transfer and distribution systems
- Industrial paint and coating circulation systems
- Ink transfer systems used in printing operations
- Oil and lubricant transfer units
- Bulk liquid transfer skids
- Tank unloading and drum transfer systems
- Wastewater and slurry transfer equipment
- Process fluid circulation systems in manufacturing plants
- Chemical dosing and supply systems
Product Overview
The Graco 652850 3300S FK/FK/FK/A Diaphragm Pump is a powerful air-operated double diaphragm (AODD) pump from the Husky 3300 series, engineered for demanding industrial fluid transfer applications. It uses compressed air to move fluids, allowing safe operation in environments where electric pumps may not be suitable.
Built with a durable stainless-steel fluid section and aluminium centre housing, this pump offers high flow capacity, reliable performance, and excellent chemical resistance. The configuration with FKM (fluoroelastomer) components provides strong resistance to oils, solvents, fuels, and aggressive industrial chemicals.
Key Features
| Pump Type | Air-operated double diaphragm (AODD) |
| Series | Husky 3300 |
| Maximum Flow Rate | Up to 300 GPM (approx. 1135 L/min) |
| Maximum Air Pressure | 125 psi |
| Port Size | 3 inch fluid inlet and outlet |
| Fluid Section | Stainless steel construction |
| Center Section | Aluminium |
| Seal and Diaphragm Material | FKM (fluoroelastomer) |
| Power Source | Compressed air |
Material Configuration (FK/FK/FK/A)
The material configuration code in the Graco 652850 model identifies the internal sealing and structural materials used within the pump:
- FK Seats – Fluoroelastomer seats designed for chemical resistance
- FK Balls – Durable FKM check balls for reliable sealing
- FK Diaphragms – Long-lasting diaphragms built to handle aggressive fluids
- A – Aluminium centre section for lightweight durability
Typical Applications
The Graco Husky 3300 diaphragm pump is widely used in industrial environments where large volumes of fluid must be transferred safely and efficiently. Its air-powered operation allows it to handle viscous fluids, abrasive materials, and hazardous chemicals without requiring electrical power.
- Industrial chemical transfer
- Bulk fluid handling operations
- Paint, coatings, and resin circulation systems
- Oil and lubricant transfer
- Wastewater and slurry pumping
- Manufacturing process fluid movement
Frequently Asked Questions
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