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Graco 651323 1050S Stainless Steel Diaphragm Pump

The Graco 651323 1050S Stainless Steel Diaphragm Pump is a durable air-operated pump designed for reliable industrial fluid transfer, especially where chemical resistance and consistent performance are required.

  • Pump Type: Air-operated double diaphragm (AODD)
  • Series: Husky 1050S
  • Fluid Section: Stainless steel construction
  • Port Size: 1 inch BSPT inlet and outlet
  • Max Flow Rate: Up to 50 GPM (189 LPM)
  • Max Fluid Pressure: 125 PSI (8.6 bar)
  • Operation: Compressed air powered, suitable for hazardous areas

$4980
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Compatible Machines & System Applications

Compatible Machines

  • Industrial fluid transfer systems
  • Chemical dosing and batching skids
  • Paint circulation and supply systems
  • Solvent and coating transfer units
  • Bulk liquid unloading stations
  • Process fluid circulation equipment
  • Lubrication and oil transfer systems

Graco 651323 1050S Stainless Steel Diaphragm Pump Overview

The Graco 651323 1050S Stainless Steel Diaphragm Pump is a heavy-duty air-operated double diaphragm pump designed for reliable fluid transfer in demanding industrial environments. Built with stainless steel fluid sections, this pump is ideal for handling aggressive, corrosive, or high-purity fluids while maintaining consistent performance.

As part of the Husky 1050 series, it delivers a balanced combination of flow rate, durability, and low air consumption, making it suitable for continuous-duty applications where downtime must be minimised.

Key Features

Pump Type Air-operated double diaphragm (AODD)
Fluid Section Material Stainless steel
Port Size 1 inch BSPT inlet and outlet
Maximum Flow Rate Up to approximately 50 GPM (189 LPM)
Maximum Fluid Pressure Up to 125 PSI (8.6 bar)
Diaphragm & Ball Material PTFE for chemical resistance and long service life
Operation Runs on compressed air, suitable for hazardous areas

Typical Applications

  • Transfer of paints, coatings, and solvents
  • Chemical processing and fluid handling
  • Industrial cleaning and detergent supply
  • Oil, lubricant, and fuel transfer
  • Water and wastewater treatment processes

Frequently Asked Questions

This pump is suitable for a wide range of fluids including chemicals, paints, solvents, oils, detergents, and other industrial liquids, especially where corrosion resistance is required.

No, it is fully air-operated. This makes it ideal for use in hazardous or explosion-sensitive environments where electric pumps are not suitable.

It can replace other Husky 1050 pumps with matching port size and mounting configuration, provided the fluid compatibility and material requirements are the same.

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