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Graco 238859 Polypropylene Twistork Husky Pump

The Graco 238859 Polypropylene Twistork Husky Pump is an air-operated diaphragm pump with a built-in Twistork agitator, ideal for chemical-resistant drum-mounted fluid transfer and mixing.

  • Air-operated double diaphragm design
  • Polypropylene construction for chemical resistance
  • Built-in Twistork agitator for consistent mixing
  • Max flow up to ~12 gpm, max pressure ~100 psi
  • Fits Graco Husky 515 Twistork pump packages and drum-mounted systems

$5045.09
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Graco 238859 Polypropylene Twistork Husky Pump Overview

The Graco 238859 Polypropylene Twistork Husky Pump is an air-operated double diaphragm pump designed for drum-mounted fluid transfer and mixing applications. Constructed with polypropylene wetted parts, it offers excellent chemical resistance, making it ideal for handling corrosive or aggressive liquids. This model includes a built-in Twistork agitator to maintain consistent fluid mixing and flow during operation.

Key Features

  • Air-operated, no electrical components required
  • Polypropylene construction for chemical resistance and non-conductivity
  • Built-in Twistork agitator for fluid mixing and suspension
  • Handles a wide range of viscosities
  • Max flow up to ~12 gpm depending on fluid
  • Max fluid pressure ~100 psi

Compatible Machines

This pump is designed to fit directly into Graco Husky series systems and drum-mounted fluid handling setups:

  • Graco Husky 515 Twistork Pump Packages
  • Drum-mounted fluid transfer carts
  • Industrial fluid circulation systems
  • Chemical dosing and dispensing setups

Technical Specifications

Specification Details
Pump Type Air-operated double diaphragm (Husky 515)
Wetted Material Polypropylene
Flow Rate Up to ~12 gpm
Max Fluid Pressure ~100 psi
Air Supply Compressed air (~20–100 psi)
Fluid Outlet 3/4" NPT

Frequently Asked Questions

The pump can handle a wide range of liquids, including corrosive chemicals, solvents, caustics, adhesives, paints, and coatings. Polypropylene construction ensures chemical resistance.

Yes, it is designed for drum-mounted setups and can be used with Graco's drum-mount kits for 55-gallon or 200-liter drums.

No, it operates using compressed air and does not require any electrical connection, making it safe for flammable or wet environments.

Maintenance is minimal due to the air-operated design with no mechanical seals. Periodic inspection of diaphragms and agitator is recommended for optimal performance.

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