Our "Dairy" rotary airlock has been designed for use in food, chemical and pharmaceutical industries where very high standards apply. It also features our "Easy Clean" design which features an easily detachable rotor which can be removed within a few minutes to facilitate safe inspection and cleaning.  Available capacities range from 0.09 to 2.05 cubic feet per revolution.

Design standards

• Cast 316 stainless steel housing and endplates
• Sheared angle inlet
• 9-Vane, 316 stainless steel, open end rotor with relieved tips and sides
• USDA Certificate of approval for use in dairy plants is available
• Valve construction is designed to avoid bacteriological contamination.
• Smooth product contact surfaces in food grade material
• Rotor pockets are radiused and polished
• Supporting bars for easy removal of rotor and endplate
• Gland packing shaft seal suitable for temperatures up to 250 Degrees F
• Bearings are sealed, outboard, ball bearing type
• 22 PSIG pressure differential

Optional features

• Drilled and plugged body vent ports
• High temperature design
• Air purge seals
• Reduced displacement rotor
• Teflon coated housing, end plates and/or rotor
• Adjustable tips versus standard fixed tip design
• TEFC, X-Proof, Mill & Chem. Duty, and High Efficiency drive groups available
• Zero speed switch