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Graco 651544 Diaphragm Pump 1050S-PA01AS5-2SPSPSPPT

The Graco 651544 Diaphragm Pump 1050S-PA01AS5-2SPSPSPPT is a heavy-duty, air-operated double diaphragm pump designed for reliable industrial fluid transfer in demanding applications.

  • Air-operated Husky 1050 Series diaphragm pump
  • Stainless steel fluid section for corrosion resistance
  • Ideal for paint, coatings, chemicals, and industrial fluids
  • Capable of handling viscous and abrasive materials
  • Runs on compressed air with no electrical power required

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Compatible Machines & Systems

The Graco 651544 Diaphragm Pump 1050S-PA01AS5-2SPSPSPPT is a standalone air-operated double diaphragm pump. It is not designed to fit into one specific OEM machine, but it is widely used across multiple industrial systems where reliable fluid transfer is required.

  • Industrial fluid transfer systems
  • Paint and coating circulation systems
  • Chemical transfer and dosing skids
  • Ink and adhesive supply systems
  • Bulk fluid handling and drum unloading units
  • Process equipment in manufacturing plants
  • Wash systems and solvent circulation setups

Product Overview

The Graco 651544 is part of the trusted Husky 1050 Series, engineered for demanding industrial environments. This air-powered pump delivers consistent performance while handling a wide range of fluids, including viscous, abrasive, and chemical-based materials.

Its air-operated design eliminates the need for electricity, making it suitable for hazardous and high-duty applications where safety and durability are critical.


Key Features

  • Air-operated double diaphragm design for reliable fluid transfer
  • Stainless steel fluid section for corrosion resistance
  • Handles a wide variety of industrial fluids
  • Capable of running dry without damage
  • Low pulsation for smoother material flow
  • Simple maintenance with modular construction

Typical Applications

Industry Usage
Paint & Coatings Material transfer and circulation
Chemical Processing Safe handling of aggressive fluids
Manufacturing Process fluid movement
Automotive Fluid delivery and wash systems
General Industry Bulk liquid transfer

Technical Highlights

Pump Type Air-Operated Double Diaphragm
Series Husky 1050
Fluid Section Material Stainless Steel
Port Size 1 inch
Max Flow Rate Up to 50 GPM (189 LPM)
Power Source Compressed Air

Frequently Asked Questions

Yes, this pump is commonly used in paint circulation and material transfer systems, especially in industrial coating applications.

No, it operates entirely on compressed air, making it suitable for hazardous or explosion-sensitive environments.

The stainless steel construction and diaphragm design allow it to handle many chemical and abrasive fluids safely.

Yes, it is designed for continuous-duty industrial use with proper air supply and maintenance.

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