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Powder/Bulk Solids

The Source for Dry Processing and Bulk Handling Technology

Valves, Gates, & Airlocks

  • Maximum-Duty Aerolock Rotary Valve

    December 16, 2013

    The Coperion K-Tron Maximum-Duty (MD) Aerolock rotary valve is engineered for heavy to severe industrial service with pressure differentials up to 20 psi and/or temperatures of 250°F. The unit is designed to withstand severe shock loads and elevated temperatures consistent with continuous 24-...

  • Innovation Valve Inc

  • Low-Maintenace Gatelock

    November 27, 2013

    Posi-flate’s Gatelock assembly is a low-maintenance alternative to the traditional rotary airlock feeder. The air-operated seat inflates to provide a long-lasting, high-integrity positive seal that can accommodate either full vacuum or pressure up to 100 PSIG. The seat automatically...

  • Custom Rotary Valves

    November 22, 2013

    PPS provides custom rotary valve solutions for a variety of applications and industries, including food, dairy, and nutritional. Valves are available in drop-through and convey-through designs, standard or sanitary, large or small. Engineers are able to discuss feed rates and powder characteristics...

  • Powder Blow-Through Rotary Valves

    November 21, 2013

    Conveying of sticky powders was the underlying factor for the development of a blow-through rotary valve. The valves are available for various differential pressure applications for 22 to 50psi. Depending on the pressure, the open-end rotor is equipped with 12 or 14 vanes with beveled rotor tips....

  • Coperion Supplies Wear-Protected Rotary Valve for Coal Refinery

    November 19, 2013

    Coperion GmbH recently supplied and successfully commissioned a wear-protected rotary valve for the RWE Power AG Ville/Berrenrath coal refinery. With a diameter of 600 mm, the rotary valve type ZXQ feeds dry lignite into a pneumatic conveying system that transports the material from a new vertical...

  • Ceramic Rotary Airlock

    November 14, 2013

    When heavy-duty is not enough, the Ceramic Series is a proven solution to rotary airlocks that wear out in high-abrasive applications. This durable valve is ideal for handling highly abrasive materials, such as alumina, coke, fly ash, and glass frit. The Ceramic Series rotary airlock achieves at...

  • High-Performance Rotary Airlock Valves

    November 13, 2013

    Progressive Products offers a range of tight-tolerance, high-quality, American-made airlock valves for pneumatic conveying systems. All valves feature heavy-duty cast iron construction, relieved 8-vane rotors, premium life bearings, maintenance-free seals, and purge-ready endplates. Both the SD and...

  • Maintenance Gates

    November 11, 2013

    These maintenance gates are used for mounting above airlocks or below bins and hoppers that require periodic shut downs for maintenance of dry material. Maintenance gates can be used in dilute-phase, vacuum, and gravity applications. Fully lined polymer liner and clear covers are standard. Hand...

  • Pressure-Tight Compressed Air-Operated Valve

    November 6, 2013

    The Spheri valve is a pressure-tight compressed air-operated valve that is capable of returning over one million maintenance free cycles, even in abrasive, hazardous, or toxic applications. A totally unrestricted full bore material flow is assured through the design of the dome assembly. When...