A rotary airlock valve, also known as a rotary valve or rotary feeder, is a type of valve used primarily in bulk material handling applications to regulate the flow of powders, granular materials, or bulk solids in pneumatic conveying systems. It is designed to provide a continuous, controlled flow of material while simultaneously maintaining a sealed environment to prevent air leakage. These valves are used in applications like feeding, metering, and controlling the flow of dry materials.

Key Components

• Rotor: The central part of the rotary airlock valve. It is usually equipped with multiple vanes or pockets that rotate inside the valve housing.
• Housing: A cylindrical casing that encloses the rotor and directs the material flow.
• Inlet and Outlet Ports: These are the entry and exit points for the materials. The material enters through the inlet port, is retained in the rotor pockets, and exits through the outlet port.
• Seals: Rotary airlocks are equipped with seals to prevent air leakage between the inlet and outlet, maintaining pressure control.
• Drive Mechanism: Usually an electric motor or gear mechanism that rotates the rotor, ensuring the controlled flow of materials.

Working Principle

The rotary airlock valve works by rotating the rotor with a constant speed, which allows materials to enter the pockets formed between the rotor blades. As the rotor turns, these pockets move from the inlet to the outlet. The rotation prevents air from bypassing the material, ensuring that the system operates in a sealed manner, maintaining pressure or vacuum conditions on both sides of the valve.

• Feeding: Material enters the valve through the inlet while the rotor is rotating.
• Sealing: The pockets in the rotor seal the material inside as it rotates.
• Discharge: The material is then discharged through the outlet port as the rotor continues to turn

Applications:

• Pneumatic Conveying Systems: Used to meter materials into pneumatic systems for transport.
• Dust Collection Systems: To control the flow of air and dust particles while preventing air leakage.
• Silo Discharge Systems: Rotary airlocks can be used to unload material from silos or hoppers.
• Mixing & Blending: Used to feed materials in a controlled manner to blending or mixing processes.
• Bagging Systems: Often used in systems that bag products to ensure consistent and reliable filling.

Types of Rotary Airlock Valves:

• Standard Rotary Valves: For general-purpose applications handling free-flowing bulk materials.
• Heavy Duty Rotary Valves: Designed for applications involving heavy or abrasive materials like cement or fly ash.
• Corrosion-Resistant Rotary Valves: Constructed from stainless steel or coated materials for use with corrosive materials.
• Food-Grade Rotary Valves: Manufactured to meet hygiene standards for food processing and pharmaceutical industries.

Advantages:

• Precise Material Control: Ensures accurate and consistent material flow rates.
• Pressure Control: Helps maintain pressure differentials in pneumatic systems.
• Versatile: Can handle a wide range of materials, from powders to pellets.
• Durability: Often designed for heavy-duty applications and can withstand wear and tear from abrasive materials.
• Energy Efficiency: Helps maintain an efficient flow with minimal energy loss.

Disadvantages:

Wear Over Time: The rotor and seals can wear out, especially when handling abrasive materials, requiring periodic maintenance or replacement.

Additional Information:

• Item Code:IND150
• Pay Mode Terms: L/C (Letter of Credit),T/T (Bank Transfer),D/P,D/A,Other
• Production Capacity:1 TONS
• Delivery Time: 45 DAY
• Packaging Details: 1 BOX

Technical Specification

Title	SPECIFICATIONS
Diameter	250 mm
Capacity	1 ton/hour
Location/City	Navi Mumbai
Brand	DK Systems
Model	IND150
Material	SS316L - MS
Size	ID200*H300-MM STD ANSI 150LBS
Condition	New
Application	Ceramic
Country of Origin	Made in India