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Graco 651157 Husky 1050 PP Diaphragm Pump

The Graco 651157 Husky 1050 PP Diaphragm Pump is a reliable air-operated pump built for industrial fluid transfer, offering chemical resistance, smooth operation, and consistent performance in demanding applications.

  • Pump Type: Air-Operated Double Diaphragm (AODD)
  • Series: Husky 1050
  • Inlet / Outlet Size: 1" NPT
  • Material: Polypropylene (PP)
  • Max Flow Rate: Up to 50 GPM (189 L/min)
  • Max Working Pressure: 125 psi (8.6 bar)
  • Best For: Chemicals, coatings, water, oils, and industrial fluids

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Compatible Machines & System Applications

The Graco 651157 Husky 1050 PP Diaphragm Pump is a modular, air-operated pump designed to integrate into a wide range of industrial fluid-handling systems. It is not limited to one standalone machine; instead, it fits seamlessly into equipment and setups that require a reliable 1" AODD pump.

  • Industrial fluid transfer systems
  • Chemical dosing and circulation units
  • Paint and coating supply systems
  • Adhesive and sealant pumping setups
  • Ink circulation and transfer machines
  • Wastewater and effluent handling systems
  • Manufacturing plant fluid distribution lines
  • Maintenance and service pump skids

Product Overview

The Graco 651157 Husky 1050 PP Diaphragm Pump is a heavy-duty air-operated double diaphragm pump engineered for dependable performance in demanding industrial environments. Its polypropylene construction offers excellent chemical resistance, while the Husky air valve design ensures smooth, stall-free operation with reduced pulsation.

Key Technical Features

Pump Type Air-Operated Double Diaphragm (AODD)
Series Husky 1050
Inlet / Outlet Size 1 inch NPT
Center Section Material Polypropylene (PP)
Maximum Flow Rate Up to 50 GPM (189 L/min)
Maximum Fluid Pressure 125 psi (8.6 bar)
Typical Applications Water, chemicals, coatings, oils, detergents

Common Industrial Uses

This pump is widely used where safe, air-powered fluid movement is required. It handles both low- and medium-viscosity fluids and performs reliably in continuous-duty operations.

  • Fluid transfer from drums, totes, and tanks
  • Circulation of chemicals and process liquids
  • Supplying paint, ink, or coating lines
  • Handling waste fluids and industrial wash solutions

Frequently Asked Questions

No. This pump is air-operated and requires a compressed air supply. It is commonly selected where electric pumps are not suitable or permitted.

Yes. The polypropylene construction provides good resistance to many industrial chemicals, making it suitable for chemical transfer and dosing systems.

It can replace other Husky 1050 pumps when the connection size, materials, and application requirements match the system specifications.

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