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Graco 651402 Husky 1050S Stainless Steel Diaphragm Pump

The Graco 651402 Husky 1050S Stainless Steel Diaphragm Pump is an air-operated double diaphragm pump designed for reliable transfer of corrosive, viscous, and industrial fluids. Its stainless steel construction ensures durability, chemical resistance, and consistent performance in demanding environments.

  • Pump Type: Air-Operated Double Diaphragm (AODD)
  • Fluid Section: Stainless Steel
  • Port Size: 1 inch inlet and outlet
  • Max Flow Rate: Up to 50 GPM (189 L/min)
  • Max Working Pressure: 125 psi (8.6 bar)
  • Suitable For: Chemicals, paints, inks, solvents, oils, wastewater
  • Operation: Compressed air powered, no electricity required

$5865
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Compatible Machines & Systems

The Graco 651402 Husky 1050S Stainless Steel Diaphragm Pump is designed as a standalone air-operated pump and integrates into a wide range of industrial machines and fluid-handling systems. It is commonly installed in the following setups:

  • Paint and coating transfer systems
  • Chemical dosing and chemical transfer units
  • Ink circulation and ink supply machines
  • Adhesive and sealant dispensing systems
  • Industrial fluid transfer skids
  • Solvent and corrosive liquid handling equipment
  • Wastewater and effluent treatment systems
  • Lubrication and oil distribution systems
  • Mixing, batching, and process control machines

Product Description

The Graco 651402 Husky 1050S is an air-operated double diaphragm pump engineered for reliability, chemical resistance, and consistent flow. Its stainless steel fluid section makes it suitable for aggressive, corrosive, and high-purity fluids commonly found in industrial environments.

This pump operates without electricity, reducing ignition risks and making it ideal for hazardous or explosive areas. The advanced air valve design helps deliver smooth operation, reduced pulsation, and long service life with minimal maintenance.

Key Technical Highlights

Pump Type Air-Operated Double Diaphragm (AODD)
Fluid Section Material Stainless Steel
Port Size 1 inch inlet / outlet
Maximum Flow Rate Up to 50 GPM (189 L/min)
Maximum Working Pressure 125 psi (8.6 bar)
Typical Applications Chemicals, paints, inks, solvents, oils, wastewater

Key Benefits

  • Excellent resistance to corrosive and aggressive fluids
  • Air-powered operation for safer use in hazardous areas
  • Handles viscous fluids and small solids with ease
  • Low pulsation for smooth and consistent flow
  • Simple maintenance with long diaphragm life

Frequently Asked Questions

This pump is used in industrial machines such as paint transfer systems, chemical dosing units, ink supply machines, adhesive dispensing equipment, and wastewater treatment systems.

No, the pump is fully air-operated and runs using compressed air, making it suitable for environments where electrical power is unsafe or unavailable.

Yes, the stainless steel construction offers excellent corrosion resistance, making it ideal for chemicals, solvents, and other aggressive fluids.

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