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  • Rotary Airlock Feeders
    • Rotary Airlock Feeder w/Knife
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  • Rotary Valve Airlocks
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  • The Precision Difference
  • 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
  • Precision Difference
  • Precision Machine & Manufacturing By Industry
    • Biomass & Wood
    • Pulp & Paper
    • Cement
    • Food & Ag
    • Metals & Minerals
    • Coal-Fired Power Generation
    • Plastics & Chemicals

Durability Meets Functionality! WOOD-BIOMASS-PULP & PAPER-RUBBER-PLASTIC-AGRICULTURE Heavy-Duty Rotary Airlock Feeder w/Knife Hardened Tool Steel Knife Rebuildable
Extremely Durable
Precision Machine & Manufacturing’s Heavy-Duty Rotary
Airlock Feeder, which is equipped with a hardened tool
steel knife, is the preferred rotary airlock whenever
moving irregular sized materials requires a reduction
in size prior to entering the conveying system.
Focused industries Biomass Wood Pulp Food Pulp sizes 14x18 to 45x55 MAX THROUGHPUT
Up to 350 TPH REQUEST A QUOTE GET DETAILS
“We build the heaviest duty rotary airlocks in the industry!” Precision Machine & Manufacturing’s Heavy-Duty Rotary Airlock Feeder is equipped with a hardened tool steel knife, which shears irregular sized materials prior to entering the conveyor system.
Eliminates Clogging Issues! TACKY-STICKY-PRONE TO CLOGGING Heavy-Duty Self-Cleaning Rotary Valve Airlock Rounded Pockets Abrasion-Resistant
Rebuildable
Precision Machine & Manufacturing’s Heavy Duty
Self-Cleaning Rotary Valve Airlock is the most durable
self-cleaning rotary airlock in the industrial
manufacturing industry. A proven history of
eliminating components, which are prone to clogging.
Focused industries Biomass Wood Food Food sizes PMDS-8 to PMDS-20 *Double length available for increased volume MAX THROUGHPUT
Up to 70 TPH REQUEST A QUOTE GET DETAILS
“We build the heaviest duty rotary airlocks in the industry!” Precision Machine & Manufacturing’s Heavy
Duty Self-Cleaning Rotary Valve Airlock is the most durable self-cleaning rotary airlock in the industrial manufacturing industry. A proven history of eliminating material handling components that are prone to clogging.
Outperforms Cast-Iron Airlocks by up to 5 times! GRANULAR-POWDERS-PELLETS High Volume, Heavy-Duty Rotary Valve Airlock MAX Throughput!
Abrasion-Resistant
Rebuildable
Precision Machine & Manufacturing’s Heavy Duty Rotary Valve Airlock is the most durable and functional rotary airlock in the industrial manufacturing industry. Capable of moving the most challenging and difficult material types while lasting 3-5X’s longer than common cast-iron airlocks.
Focused industries sizes PMV-8 to PMV-28 Max Throughput Up to 175 TPH REQUEST A QUOTE GET DETAILS
Precision Machine & Manufacturing’s Heavy Duty Rotary Valve Airlock is the most durable and functional rotary airlock in the industrial manufacturing industry. “We build the heaviest duty rotary airlocks in the industry!”
Massive Volume & Extremely Durable! Abrasive GRANULAR-POWDERS-PELLETS Massive Volume, Heavy-Duty Rotary Airlock Feeder MAX Throughput Abrasion-Resistant
Rebuildable
Precision Machine & Manufacturing’s High Volume, Heavy
Duty Rotary Airlock Feeder is the most durable high volume
rotary airlock in the industrial manufacturing industry.
When moving massive amounts of material is needed, this
airlock will exceed expectations!
Focused industries sizes 14x18 to 45x55 MAX THROUGHPUT
Up to 350 TPH REQUEST A QUOTE GET DETAILS
“We build the heaviest duty rotary airlocks in the industry!” Precision Machine & Manufacturing’s High Volume, Heavy-Duty Rotary Airlock Feeder is the most durable high volume rotary airlock in the industrial manufacturing industry. When moving massive amounts of material, there is not a better option!
Eliminates Material Breakage & Loss! ABRASIVE & CORROSIVE POWDERS-GRANULES-PELLETS Heavy-Duty Side-Entry Rotary Valve Airlock No Impact Abrasion-Resistant
Rebuildable
Precision Machine & Manufacturing’s Heavy Duty, Side-Entry
Rotary Valve Airlock is the perfect Rotary Airlock for moving
fragile materials that are prone to breakage. Manufactured
with abrasion-resistant materials and is totally rebuildable!
Will last at least 3x’s longer than cast-iron airlocks!
Focused industries Food Pulp sizes PMSE-12 to PMSE-22 MAX THROUGHPUT
Up to 60 TPH REQUEST A QUOTE GET DETAILS
“We build the heaviest duty rotary airlocks in the industry!” Precision Machine & Manufacturing’s Heavy Duty, Side-Entry Rotary Valve Airlock is the perfect Rotary Airlock for moving fragile materials that are prone to breakage. Manufactured with abrasion-resistant materials and is totally rebuildable!
Extreme Durability & Minimal Maintenance! CLINKER LIMESTONE Heavy-Duty Raw Mill Rotary Airlock Feeder MAX Throughput!
Abrasion-Resistant
Rebuildable
Precision Machine & Manufacturing’s High Volume, Heavy Duty Raw Mill Rotary Airlock Feeder is the Cement Manufacturing Industry’s most durable and preferred raw mill rotary airlock! Minimal maintenance and outage to outage durability!
Focused industries sizes PMCA-35 to PMCA-60 Max Throughput Up to 675 TPH REQUEST A QUOTE GET DETAILS
“We build the heaviest duty rotary airlocks in the industry!” Precision Machine & Manufacturing’s High Volume, Heavy Duty Raw Mill Rotary Airlock Feeder is the Cement Manufacturing Industry’s most durable and preferred raw mill rotary airlock! Minimal maintenance and outage to outage durability!
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Revolution SliderDaniel Patton2025-01-02T18:26:32+00:00

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

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

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