Precision Modular Rotary Valve

Experience what a revolution in design can do for your operation.  The modular design of our rotary valve makes service and repair a snap.  The materials and workmanship provide the tight tolerance and

long-lasting durability that you need from a metering or airlock device.



 Feeding raw materials and clinker in a cement manufacturing plant is a demanding job.  Huge volumes of abrasive materials and 24/7 operation for months at a time add up to a real challenge for rotary feeders.  Precision’s PMCA family of feeders were specifically designed for these tough conditions. 

PMCA Rotary Feeder
Custom Screw Conveyor

The more difficult your screw conveyor application, the more likely we can help you.  If you are not getting the long-life or performance from your current screw conveyors, tell us what you need.  We’ve probably done it before and can provide you a cost-effective, custom-designed solution.

A Self-Cleaning Rotary Valve? Absolutely!
Material build-up in the pockets of rotary valve can be a real problem. Throughput can be reduced or become inconsistent. You’ve got to stop production and clean it out. The Precision PMDS Self-Cleaning rotary valve is a reliable, trouble-free solution to this problem.

PMDS Rotary Valve

The Precision

Micro-Valve's innovative design was developed to handle small to medium applications. It is ideal for metering a precise amount of an additive to an in-process application.

Precision PMR Rotary Feeder

For over 25 years Precision Machine & Manufacturing, Inc. has produced the finest rotary feeders available.  Precise engineering, durable construction and the highest quality materials ensure that each Precision Rotary Feeder we build is the best in its class.




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Eugene, Oregon

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