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Stable Conveying Quick Dismounting Stainless Steel Rotary Valve for Powder Handling

Detail Information

Product Description

Detail Information

Safety Certification:

Complies With ATEX And IECEx Standards.

Adjustable Blades:

N.A.

Sealingtype:

Mechanical Seal

Corrosion Resistant:

Resists Chemical Substance Erosion.

Compact Design:

Saves Space.

Quick Disassembly:

Facilitates Cleaning And Maintenance.

Voltage:

220V / 380V

Rotor:

Adjustable Blades / Fixed Vanes

Wide Application:

Suitable For Multiple Industries.

Leakage:

No Internal Gas Leakage

Pressurerating:

Up To 0.5 MPa

Numberofblades:

Operatingtemperature:

-20°C To 150°C

Noiselevel:

< 75 DB

Leakage Reduction:

Minimizes Gas Leakage Risk.

Product Description

Stable Conveying Quick Dismounting Rotary Valve For Powder Conveying Stainless Steel

Product Overview

The Doebritz Air Slide Discharge Rotary Valve is a highly engineered material handling and pressure-locking component. It functions as an ultra-reliable rotary airlock and anti-flushing volumetric feeder, explicitly designed to achieve consistent feeding and absolute gas sealing beneath air slides and aerated conveying chutes in powder pneumatic conveying systems.

Application Scenarios

Air slide systems utilize low-pressure compressed air to fluidize bulk powders so they flow smoothly down an incline. However, at the discharge end, this heavily aerated powder acts like a liquid and will completely flood standard equipment (material flushing), while the air carries a risk of leaking back up into the chute. Built to secure these critical aeration boundaries, this specialized rotary valve is widely deployed at the outlet of air slides, aerated silos, fluidization bins, and dry bulk shipping docks processing cement, fly ash, alumina, and pulverized minerals.

Core Advantages

Stable Conveying (Anti-Flushing Volumetric Control): Fluidized powders possess an extremely high bulk density and fluid-like velocity that can cause line plug-ups or uneven feeding. Our precision-machined rotor blades act as an unyielding physical barrier that catches the fluidized stream, turning it into controlled batch doses to stop uncontrolled surging and guarantee perfectly stable conveying.
Quick Dismounting (Heavy-Duty Slide Rail): Ultra-fine powders like cement can crust or pack into clearances, requiring routine preventive washouts. The innovative quick-dismounting extractable structure features robust integrated guide rails that fully support the rotor assembly as it smoothly slides outward. This allows a single operator to inspect, scrape, or wash the internal chamber in minutes without removing the valve housing from the air slide flange.
Stainless Steel Execution: Manufactured entirely from heavy-duty premium stainless steel (SUS304 / SUS316L), the assembly withstands continuous frictional abrasion from micro-fine particles, ensuring maximum structural longevity.

Performance Data

To guarantee stable operations under high continuous fluidization aeration and industrial pneumatic throughput, our equipment is backed by verified engineering parameters:

Pressure Resistance: Precision-machined to safely handle perfect sealing performance in high-velocity streams running from -0.5 to 2 bar.
Thermal Adaptability: Functions securely without mechanical binding across a wide working temperature range of -10 to 150 °C, ideal for freshly calcined hot powders.
Processing Capacity: Engineered for continuous processing efficiency, providing exact volumetric output with a maximum capacity of up to 634 L/min.

Technical Specifications

Specification	Details
Material	Stainless Steel (SUS304 / SUS316L)
Working Pressure	-0.5 to 2 bar
Working Temperature	-10 to 150°C
Max Capacity	Up to 634 L/min
System Compatibility	Air Slide Chute / Aerated Conveying Chute Bottom Outlets
Structure Design	Quick Dismounting (Extractable Heavy-Duty Slide Rail Type)

Key Benefits

Integrating this Doebritz high-efficiency rotary valve provides immediate, tangible value to your bulk handling line. It actively eliminates material flooding and upward air bypass, dramatically improves discharging and conveying stability for fluidized materials, and significantly lowers cleaning downtime and labor costs via its highly accessible tool-less quick-dismounting design.

Frequently Asked Questions

Why do fluidized powders require a specialized rotary valve at the air slide outlet?

Powders inside an air slide are mixed with air and act exactly like a liquid. If you use a generic valve, the material will flush straight through the clearances uncontrollably, causing system flooding. Our valve is precision-machined with ultra-tight clearances to halt fluidized flushing and meter the material uniformly.

Does the quick dismounting guide rail system affect the airtight seal?

Not at all. When the extractable side cover is locked into position using our industrial fastening system, it creates a robust, airtight metal-to-metal structural seal that safely maintains continuous pressure containment across -0.5 to 2 bar.

How easy is it to clear out crusted or packed powder residues from the rotor?

It is exceptionally fast and safe. Operators can simply unlatch the fast-locks without any special tools and slide the entire rotor assembly out along the heavy-duty rails. This fully exposes the internal chambers for a rapid wipe-down or high-pressure cleaning.

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