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Graco 651311 1050S-Pump replaces Graco 651304 and 651309

$4,292.84
In Stock
Part #: 651311

The Graco 1050S-PC01AS1FKFKFK Pump is a high-performance air-operated double diaphragm pump designed for reliable industrial fluid transfer, especially in chemical and coating applications.

  • Pump Type: Air-Operated Double Diaphragm (AODD)
  • Series: Husky 1050
  • Fluid Section: Stainless Steel construction
  • Seal & Diaphragm Material: FKM (Fluoroelastomer)
  • Port Size: 1-inch inlet and outlet
  • Operation: Stall-free, compressed air driven
  • Ideal For: Chemicals, paints, coatings, and industrial fluids
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Compatible Machines

The Graco 1050S-PC01AS1FKFKFK Pump is a standalone industrial air-operated diaphragm pump. It is not limited to one specific branded machine but is commonly installed in the following systems and equipment where a 1-inch AODD pump is required:

  • Industrial fluid transfer systems
  • Paint and coating circulation systems
  • Chemical transfer and dosing units
  • Drum and tote unloading equipment
  • Process skids and packaged pump systems
  • Manufacturing and assembly line fluid supply setups
  • Wastewater and fluid evacuation systems
  • Sealant, adhesive, and ink transfer machines

Pump Description

The Graco 1050S-PC01AS1FKFKFK is part of the Husky 1050 series and is an air-operated double diaphragm pump designed for reliable and stall-free fluid transfer. The stainless steel fluid section and chemical-resistant diaphragm and seal configuration make it suitable for demanding industrial environments.

Key Features

Pump Type Air-Operated Double Diaphragm (AODD)
Series Husky 1050
Fluid Section Material Stainless Steel
Seal & Diaphragm Material FKM (Fluoroelastomer)
Port Size 1 inch inlet / outlet
Operation Compressed air driven, stall-free design

Typical Applications

  • Transfer of chemicals, solvents, and detergents
  • Handling of paints, coatings, and inks
  • Coolants, oils, and lubricants circulation
  • General industrial fluid handling
  • Use in flammable or hazardous environments where electric pumps are unsuitable

Frequently Asked Questions

It is an air-operated double diaphragm pump designed for industrial fluid transfer applications.

Yes, the stainless steel construction and FKM seals make it suitable for many chemical and corrosive fluids.

No, it operates using compressed air, making it ideal for hazardous or explosion-sensitive environments.

Yes, it is commonly used as a direct replacement in systems requiring a 1-inch Husky 1050 configuration with compatible materials.

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