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Precision Machine & Manufacturing-Made in the USA
  • Rotary Airlock Feeders
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  • About Us
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  • Rotary Airlock Feeders
    • Rotary Airlock Feeder w/Knife
    • Double Slope Rotary Airlock Feeder
    • Raw/Mill Rotary Airlock Feeder
    • Light Duty Rotary Airlock
    • Blower Truck Rotary Airlock Feeder
  • Rotary Valve Airlocks
    • Rotary Valve Airlock
    • Self-Cleaning Valve Airlock
    • Side Entry Rotary Valve Airlock
    • Rotary Valve Airlock with Knife
    • Micro Rotary Valve Airlock
    • Blower Truck Rotary Airlock Feeder
  • Screw Conveyors
    • HD Screw Conveyors
    • HD Sectional Flights
  • Key Industries
    • Biomass Power Generation
    • Wood Processing
    • Pulp & Paper
    • Cement
    • Food & Ag
    • Metals & Minerals
    • Coal-Fired Power Generation
    • Plastics & Chemicals
  • Precision Difference
ABOUT PRECISIONPA2025-11-18T03:47:55+00:00

Precision Machine & Manufacturing (PMM) started in 1977.

In the years since the company’s humble origins as a small machine shop supporting the local wood products industry, PMM has grown rapidly becoming the industry leader and the expert in moving the most challenging materials within the industrial manufacturing industry.

Today, Precision Machine & Manufacturing is the go-to supplier of heavy-duty Rotary Airlock Feeders, Rotary Valve Airlocks, and Screw Conveyors for industrial manufacturing operations within the following industries: Biomass & Coal Fired Power Generation, Cement Manufacturing, Wood, Agriculture, Minerals, Metals, Plastics, Chemical Processing, and Pulp & Paper Manufacturing to name a few. We pride ourselves on our ability to run towards problems versus away from them as so many do within the material handling industry.

Abrasive materials, elevated temperatures, corrosive materials, high-volume throughput? Just another day at the office for Precision Machine & Manufacturing!

Precision Machine & Manufacturing (PMM) started in 1977.

In the years since the company’s humble origins as a small machine shop supporting the local wood products industry, PMM has grown rapidly becoming the industry leader and the expert in moving the most challenging materials within the industrial manufacturing industry.

Today, Precision Machine & Manufacturing is the go-to supplier of heavy-duty Rotary Airlock Feeders, Rotary Valve Airlocks, and Screw Conveyors for industrial manufacturing operations within the following industries: Biomass & Coal Fired Power Generation, Cement Manufacturing, Wood, Agriculture, Minerals, Metals, Plastics, Chemical Processing, and Pulp & Paper Manufacturing to name a few. We pride ourselves on our ability to run towards problems versus away from them as so many do within the material handling industry.

Abrasive materials, elevated temperatures, corrosive materials, high-volume throughput? Just another day at the office for Precision Machine & Manufacturing!

Manufacturing Rotary Valves Airlocks, Heavy-Duty Screw Conveyors, and Rotary Airlock Feeders that are 100% manufactured in the United States of America, are specifically engineered to meet the unique needs of the material handling applications, while improving throughput, decreasing energy cost, and reducing ongoing maintenance issues is what we hang our hat on! Simply put, we build material handling components that are the strongest and most durable in the industry and are capable of moving the most abrasive, corrosive, and challenging material types.

We’re very proud that every product we build is 100% Made in the USA. We believe in innovation and excel in solving new and challenging applications for our customers. When we join forces with you and your team, you can be 100% confident knowing that PMM will supply a premium quality product, and provide superior customer service, while also being a partner in your business that can be counted on to deliver!

Precision Machine & Manufacturing specializes in developing high-quality, application-specific solutions for the material handling industry’s toughest applications.

PMM and Support American Manufacturing

PRECISION MACHINE & MANUFACTURING
1290 S. Bertelsen Road
Eugene, OR 97402

  • ©2025 Precision Machine & Manufacuturing,
    All Rights Reserved
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PMM Rotary Valve Airlocks

CONTACT PRECISION TODAY
The industry’s preferred choice for the most difficult and challenging material handling applications!
Need help? Contact the industry experts now

Phone: 541-484-9841
Email: sales@premach.com

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