How the Airlock  Rotary Valve  Star Feeder Valve  is Used?
When performing transfer on all pneumatic conveying lines, it is a device to feed the material down to the line and separate the raw material pneumatically transferred from the air. Blade forms, tolerances, revolution speeds vary depending on type of process and type of the product to be transported. Likewise, it may also act as breaker depending on the characteristics of the material to be transported. Even it may also operate coupled with the breakers.Rotary Valve Airlocks are designed for use under gravity,pressure and vacuum conditions.

Rotary Valve - Airlocks - Star Feeder may be made of ST37 Carbon Steel and AISI-304 AISI-316 Stainless Steel. Bedding types of the air locks may be mechanical sealing and felt, again depending on the hot process.

Rotary Valve - Ailock-Star Feeder internal Rotors have options such as blade, rounded type, adjusted blade type, stripper and polyamide.

Rotary Valve - Airlock Star Feeder That the Cell Wheel has that many options is completely related with type of material to be transported as well as process. This is so vital that a single fault may give damage to the material to be transported. Simple solution commercially available may deliver successful results for transfer of many materials such as flour, cement and many more. However, a slight change in the granule size and a different material means fail of such equipment.

Rotary Valve- Airlocks Function
Our  Rotary Valves, designed according to a criteria of maximum applicative
universality, are suitable for controlled feeding or discharging of products in powder or
granular form, from silos, hoppers, pneumatic conveying systems, bag filters or cyclones.

Rotary Valve 3D MODELS PDF Document

180mm Rotary Valve

220mm Rotary Valve  - Airlocks

320mm Rotary Valve  - Airlocks

350mm Rotary Valve

400mm Rotary Valve - Airlock

450mm Rotary Valve - Airlock


Air Filtration provides a complete line of rotary valve - airlocks suitable for air lock applications ranging from gravity discharge of filters, rotary valves, cyclone dust collectors, and rotary valve - airlock storage devices to precision feeders for dilute phase and continuous dense phase pneumatic conveying systems. Rotary Valve / Airlock Feeders are used in pneumatic conveying systems, dust control equipment, and as volumetric feed-controls to maintain an even flow of material through processing systems. The basic use of the rotary valve, airlock feeder is as an airlock transition point, sealing pressurized systems against loss of air or gas while maintaining a flow of material between components with different pressure. Rotary Valve, Airlock Valves are also widely used as volumetric feeders for metering materials at precise flow rates from bins, hoppers, or silos onto conveying or processing systems.

A rotary valve is of no use by itself. Rotary valve, airlocks are useful as one component in a bulk or specialty material handling system. Rotary Valve, Airlock Feeders have wide application in industry wherever dry free-flowing powders, granules, crystals, or pellets are used. Typical materials include: cement, sugar, minerals, grains, plastics, dust, fly ash, flour, gypsum, lime, coffee, cereals, pharmaceuticals, etc...

While pneumatic transport processes differ according to the phases, it may also diffrent in the same phase. Low pressure, that is dilute phase transfer, can be categorized under 2 classes, namely vacuum and pressure. This classification shows, even slightly, differences in the rotary valve - airlocks. Consequently, we perform manufactures according to the air locks to be used on the vacuum and pressure line.


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