Heavy Duty Process Gear Pumps

Model: HD ID70A - HD ID600

Strong, reliable, and built to last – discover the HD Series pumps from ARO.

The Heavy Duty (HD Series) pumps are designed to handle the most challenging jobs in industries like food processing, chemicals, and manufacturing. These pumps are built to move thick liquids, handle abrasive materials, and withstand extreme working conditions. Thanks to their durable construction and flexible options, they are trusted by businesses around the world.

Built to Last
Made from ductile iron or stainless steel, the HD pumps are strong and resistant to wear.
Large, sturdy shafts and heavy-duty impellers handle high loads without breaking down.
Handles Tough Liquids and Solids
Perfect for thick liquids like adhesives, chocolate, and polymers.
Easily pumps materials with solids, such as ground meat, sludge, or fibrous materials.
Advanced Design for Reliability
Special timing gears keep parts aligned and prevent wear from metal-to-metal contact.
Smooth operation with low shear prevents damage to sensitive liquids.
TuffSeal™ mechanical seals allow the pump to handle high temperatures (up to 500°F / 260°C) and run dry when needed.
Flexible Installation Options
HD pumps can be installed in horizontal or vertical positions, depending on your needs.
Easy to Customize
Special coatings, high-temperature options, and heating jackets are available to match specific applications.

Why Choose HD Series Pumps?
The Heavy Duty is a wide range Series pumps from ARO are built for businesses that need reliable and efficient solutions. Whether you’re handling thick food products, harsh chemicals, or abrasive sludge, these pumps get the job done.

Durability: Strong materials ensure the pump can handle tough working conditions and last for years.
Flexibility: Custom options like special coatings, high-temperature seals, and heating jackets ensure the pump works for your specific needs.
Smooth Operation: Low-shear technology protects sensitive materials and avoids damage to your products.
Easy Maintenance: HD pumps are designed for easy repairs and long-term use, saving you time and money.
With HD pumps, you don’t need to worry about breakdowns, wear, or performance issues. They are made to deliver reliable results every day.

Model	Flow Rate (GPM)	Flow Rate (m³/hr)	Max Differential Pressure (PSI)	Max Differential Pressure (BAR)	Max Speed (RPM)	Weight (lbs)	Weight (kg)
70A	52	12	450	31.0	350	280	127
120A	105	24	450	31.0	350	300	136
330	265	60	450	31.0	350	550	249
600	520	118	450	31.0	350	900	408

Note: Applications above 200 PSI (13.8 BAR), 350ºF (177ºC), or 200 RPM must be reviewed by the factory to ensure proper pump selection.

Standard Materials of Construction

Component	Material Options
Housing	Ductile Iron, 316 Stainless Steel
Housing Bearing	DU, Bronze, or Carbon
Faceplate	Ductile Iron, 316 Stainless Steel
Faceplate Bearing	Outboard Ball Bearing
Impellers	Ductile Iron, 316 Stainless Steel
Shafts	17-4 Stainless Steel
Gear Case	Gray Iron

Note: Applications above 200 PSI (13.8 BAR), 350ºF (177ºC), or 200 RPM must be reviewed by the factory to ensure proper pump selection.

Pass solids up to 1-1/4"
Flow rate up to 600 GPM (136 M3 /HR)
Differential pressure up to 450 PSI (31 BAR)
Viscosities up to 4,400,000 CST
Temperatures up to 550°F (290°C)
Self-priming up to 14 feet (4.2 m)

Meat Processing:
Perfect for pumping ground meat, fats, blood, and sludge. These pumps can move thick, solid-laden materials at low speeds without clogging.
Pet Food Production:
Handles meat, bones, and vegetables easily. Its robust design ensures long life, even in heavy-duty conditions.
Chocolate Manufacturing:
Pumps chocolate smoothly without burning or breaking down delicate ingredients like nuts or fruits. Special temperature controls keep the chocolate flowing.
Chemical Processing:
Great for moving thick, sticky chemicals, polymers, or gels. HD pumps keep the process running without damaging materials.
Adhesives and Sealants:
Designed to pump high-viscosity products at high temperatures to reduce thickness and improve flow.

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Heavy Duty (HD) - Process Pumps

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