304SS/316SS Rotary Airlock Valve - NFPA & USDA Certified
NFPA/USDA Dairy Accepted Rotary Airlocks are precision-engineered for sanitary applications in food, dairy, pharmaceutical, and chemical industries. Designed for easy cleaning to prevent product contamination, these valves meet strict NFPA and USDA standards for hygiene and compliance in demanding industrial environments.
Key Advantages
- Premium Materials: Constructed with 316 Stainless Steel featuring 150 grit polished product contact surfaces for smooth material flow
- Easy Maintenance: Slide rail mechanism enables quick rotor removal from airlock body, minimizing downtime and labor costs
- Sanitary Design: Compliant with NFPA and USDA standards for hygienic industrial applications
Technical Specifications
| Rotor Configuration | Eight-blade rotors |
| Available Sizes | 3", 4", 6", 8", 10", 12", 14", and 18" square |
| Construction Materials | Cast iron or 304/316 stainless steel |
| Drive Systems | Direct drive gear-motors (9, 15, and 33 RPM) |
| Temperature Range | Up to 716°F (380°C) |
| Pressure Differential | ±2.9 PSI |
Compatible Materials
- Ammonium alumina
- Cement
- Charcoal
- Coffee (ground or instant)
- Corn (whole, cracked, or cornmeal)
- Flax seed
- Fly ash
- Grain
- Oats (whole or rolled)
- Potassium carbonate
- Salt
- Soybeans
- Starch
- Sugar
- Sulfur
