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Graco 651116 Husky 1050S Air-Operated Double Diaphragm Pump

The Graco 651116 Husky 1050S Air-Operated Double Diaphragm Pump is a heavy-duty, air-powered pump designed for reliable fluid transfer in industrial environments. Its stainless steel construction ensures durability and broad fluid compatibility.

  • Pump Type: Air-Operated Double Diaphragm (AODD)
  • Series: Husky 1050S
  • Wetted Materials: Stainless Steel
  • Inlet / Outlet Size: 1 inch NPT
  • Maximum Flow Rate: Up to 50 GPM
  • Power Source: Compressed Air (no electricity required)

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Compatible Machines & System Applications

The Graco 651116 Husky 1050S Air-Operated Double Diaphragm Pump is a stand-alone fluid transfer pump. It is not installed inside a single dedicated machine; instead, it is integrated into various industrial systems where reliable, air-powered fluid movement is required.

  • Fluid transfer and circulation systems
  • Paint and coating circulation units
  • Chemical dispensing and batching systems
  • Adhesive supply and transfer setups
  • Ink and resin handling systems
  • Waste fluid and solvent recovery systems
  • Industrial manufacturing process lines

Product Overview

The Graco 651116 Husky 1050S is an air-operated double diaphragm pump designed for demanding industrial environments. It uses compressed air to move fluids efficiently, making it ideal for locations where electric pumps are unsuitable or unsafe.

This model features stainless steel wetted components, offering excellent durability, corrosion resistance, and compatibility with a wide range of fluids.


Key Features

Pump Type Air-Operated Double Diaphragm (AODD)
Series Husky 1050S
Wetted Material Stainless Steel
Inlet / Outlet Size 1 inch NPT
Maximum Flow Rate Up to 50 GPM (189 L/min)
Maximum Air Pressure 125 psi (8.6 bar)
Power Source Compressed Air

Typical Fluids Handled

Depending on diaphragm and seal configuration, this pump is commonly used with:

  • Paints and coatings
  • Industrial chemicals
  • Solvents and cleaning fluids
  • Oils and lubricants
  • Water-based and non-abrasive fluids

Frequently Asked Questions

This pump shares the same core design as other Husky 1050 pumps, but compatibility depends on wetted materials, diaphragm type, and porting. Always match specifications before replacement.

No. The pump is fully air-powered and operates using compressed air, making it suitable for hazardous or explosion-sensitive environments.

Yes. The Husky 1050S series is designed for continuous industrial use when supplied with clean, regulated air and properly maintained.

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