NFPA Compliant Upgrade Available, Heavy Duty Rotary Valve Airlocks

PMM’s heavy duty rotary valve airlocks are the highest quality material handling rotary valve airlocks in the industry and are upgradeable to meet the NFPA requirements as outlined in the NFPA 69 Standard on Explosion Prevention Systems and the NFPA 85 Boiler and Combustion Systems Hazards Code (2019 version).

Perfect for Powdery & Granular Materials

Heavy Duty Rotary Valve Airlock

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Perfect for Sticky, Clumpy, Low Moisture Materials

Self-Cleaning Rotary Valve

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Perfect for Delicate and Breakable Types of Materials

Side Entry Rotary Valve Airlock

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Perfect for Rubber & Alternative Fuels

Rotary Valve Airlock w/Knife

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Perfect for small granular or powdery materials

Micro Rotary Valve

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