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Rotary Airlock for Coal Feeder

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Rotary Airlock for Coal Feeder
Rotary Airlock for Coal Feeder
Price And Quantity
  • Number
  • 5
  • Number
  • 5000.00 - 15000.00 INR
    Product Specifications
    • Rotary Feeder
    • MS, CI
    • No
    • Automatic
    • As per Drawing Provided by the Customer Millimeter (mm)
    • Black, White
    • contact us to know more about Warranty
    Product Description
    Rotary feeders, also known as  or rotary valves, are commonly used in industrial and agricultural applications as a component in a bulk or specialty material handling system. Rotary feeders are primarily used for discharge of bulk solid material from hoppers/bins, receivers, and cyclones into a pressure or vacuum-driven pneumatic conveying system. Components of a rotary feeder include a rotor shaft, housing, head plates, and packing seals and bearings. Rotors have large vanes cast or welded on and are typically driven by small internal combustion engines or electric motors.

    Rotary airlock feeders have wide application in industry wherever dry free-flowing powders, granules, crystals, or pellets are used. Typical materials include: cement, ore, sugar, minerals, grains, plastics, dust, fly ash, flour, gypsumlime, coffee, cereals, pharmaceuticals, etc.

    Industries requiring this type include cement, asphalt, chemical, mining, plastics, food, etc.

    Rotary feeders are ideal for pollution control applications in wood, grain, food, textile, paper, tobacco, rubber, and paint industries, the Standard Series works beneath dust collectors and cyclone separators even with high temperatures and different pressure differentials.

    Rotary valves are available with square or round inlet and outlet flanges. Housing can be fabricated out of sheet material or cast. Common materials are cast ironcarbon steel, 304 SS, 316 SS, and other materials. Rotary airlock feeders are often available in standard and heavy duty models, the difference being the head plate and bearing configuration. Heavy duty models use an outboard bearing in which the bearings are moved out away from the head plate. Housing inlet and discharge configurations are termed drop-thru or side entry. Different wear protections are available such as hard chrome or ceramic plating on the inner housing surfaces. Grease and air purge fittings are often provided to prevent contaminants from entering the packing seals.

    Airlock-type rotary valves function as isolation devices in the event of a fire or deflagration inside the processing facility. They do not put out fires, but by sealing off the flow of air and material, they may slow down or prevent flames from spreading further down the conveying line.

    In order to function properly as isolation devices, the NFPA requires certain features in rotary airlock valves, including a 0.0079’’ clearance between the rotor and housing, specific materials of construction, and 8 or more rotor vanes.


    The basic use of the rotary 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 and suitable for air lock applications ranging from gravity discharge of filters, rotary valves, cyclone dust collectors, and rotary airlock storage devices to precision feeders for dilute phase and continuous dense phase pneumatic convey systems.

    Trade Information
    • Mumbai, Kolkata
    • Letter of Credit at Sight (Sight L/C) Western Union Paypal Cash Against Delivery (CAD) Telegraphic Transfer (T/T) Cash in Advance (CID) Cheque Cash Advance (CA)
    • 5 - 6 Per Month
    • 2 - 3 Week
    • Contact us for information regarding our sample policy
    • Packaging is not Required.
    • Western Europe Australia North America South America Eastern Europe Middle East Central America Asia Africa
    • All India
    • Third Party Certification
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    Plot No. 73, Hemlata Industrial Estate, Shendre Lay-out, Nagalwadi, Taluka-Hingna,, Nagpur, Maharashtra, 440023, India
    Phone :+918045804304