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China factory - Doebritz (Shanghai) Co., Ltd.

Doebritz (Shanghai) Co., Ltd.

  • China,Wuxi ,Jiangsu
  • Verified Supplier
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  3. Double Sealing Easy Cleaning Stainless Steel Rotary Valve for Powder Conveying
China Double Sealing Easy Cleaning Stainless Steel Rotary Valve for Powder Conveying
China Double Sealing Easy Cleaning Stainless Steel Rotary Valve for Powder Conveying

  1. China Double Sealing Easy Cleaning Stainless Steel Rotary Valve for Powder Conveying
  2. China Double Sealing Easy Cleaning Stainless Steel Rotary Valve for Powder Conveying
  3. China Double Sealing Easy Cleaning Stainless Steel Rotary Valve for Powder Conveying
  4. China Double Sealing Easy Cleaning Stainless Steel Rotary Valve for Powder Conveying
  5. China Double Sealing Easy Cleaning Stainless Steel Rotary Valve for Powder Conveying

Double Sealing Easy Cleaning Stainless Steel Rotary Valve for Powder Conveying

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Corrosion Resistant Resists chemical substance erosion.
Modular Components Easy maintenance and replacement.
Safety Enhances system pressure safety
Voltage 220V / 380V
Outletdiameter 100mm
Compliance Follow safety standards
Rotary Mechanism Smooth flow control.
Rotationspeed 0-60 RPM
Quick Disassembly Facilitates cleaning and maintenance.
Blowing Design Prevents material blockage.
Material Cast Iron / Stainless Steel
Inletdiameter 100mm
Sealingtype Labyrinth Seal / Mechanical Seal
Outletconnection Flanged
Rotortype Star-shaped / Multi-blade

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  1. Product Details
  2. Company Details

Product Specification

Corrosion Resistant Resists chemical substance erosion. Modular Components Easy maintenance and replacement.
Safety Enhances system pressure safety Voltage 220V / 380V
Outletdiameter 100mm Compliance Follow safety standards
Rotary Mechanism Smooth flow control. Rotationspeed 0-60 RPM
Quick Disassembly Facilitates cleaning and maintenance. Blowing Design Prevents material blockage.
Material Cast Iron / Stainless Steel Inletdiameter 100mm
Sealingtype Labyrinth Seal / Mechanical Seal Outletconnection Flanged
Rotortype Star-shaped / Multi-blade
High Light stainless steel rotary valve ，double sealing powder valve ，easy cleaning rotary valve
Double Sealing Easy Cleaning Rotary Valve For Powder Conveying Stainless Steel
Product Overview

The Doebritz High-Pressure Quick Wash Rotary Valve is an advanced material handling and pressure-locking component. It functions as an ultra-reliable rotary airlock and volumetric feeder, explicitly engineered to achieve consistent feeding and absolute gas sealing beneath roots blower positive pressure pneumatic conveying systems.

Application Scenarios

Positive pressure conveying networks subject equipment to high counter-pressures; any micro-gaps or seal deterioration will cause process air to blow upward, causing severe material flushing, line plugging, and pipe erosion. Built to overcome these rigorous pressure challenges, this specialized rotary valve is widely deployed under feed hoppers, storage silos, dumping stations, and material receivers in the food processing, pharmaceutical, chemical powder, and plastics industries.

Core Advantages
  • Double Sealing (Maximized System Pressure): Roots blowers deliver high-velocity air streams that constantly push against the bottom discharge of the valve. Our advanced Double Sealing mechanism and precision-machined internal clearances create an impervious air barrier. This eliminates blow-back gas leakage, ensures that raw material falls smoothly into the line, and guarantees perfectly Stable Conveying.
  • Easy Cleaning (Quick Wash Design): Handling multi-ingredient powder recipes means the valve must undergo frequent washdowns to prevent cross-contamination. The innovative fast-access quick-wash structure allows a single technician to open the end cover and remove the internal rotor inside minutes, allowing total internal washability and inspection without removing the main body casing from the pipeline.
  • Stainless Steel Execution: Manufactured entirely from heavy-duty premium Stainless Steel (SUS304 / SUS316L), the structural surfaces completely resist abrasive particle friction and chemical corrosion, drastically extending the service life of the valve.
Performance Specifications

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

  • Pressure Resistance: Precision-machined to safely handle perfect sealing performance in high-pressure airlock 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.
  • 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 Roots Blower Positive Pressure Pneumatic Conveying
Structure Design Easy Cleaning (Quick-Opening Fast Wash Type)
Key Benefits

Integrating this Doebritz high-pressure rotary valve provides immediate, tangible value to your pneumatic conveying line. It actively eliminates upward air blow-back and material flushing, dramatically improves conveying and batching stability, and significantly lowers cleaning downtime and labor costs via its highly accessible tool-less quick-wash design.

Frequently Asked Questions
Q: Why is a double sealing rotary valve necessary for a positive pressure system?
A: In a positive pressure system powered by roots blowers, air flows under high pressure beneath the valve. A standard valve will leak air upward into the storage hopper, which creates counter-current fluidization, stops material from dropping, and creates dusty, unstable feeding. Our double sealing technology locks the high pressure below the rotor pockets perfectly.
Q: Does the quick wash design degrade the airlock seal under pressure?
A: Not at all. When the quick wash side cover is closed and bolted down via our quick-clamping mechanism, it achieves a rugged, gas-tight metal-to-metal industrial seal that safely maintains pressure containment between -0.5 and 2 bar.
Q: How fast can the internal rotor be extracted for washing?
A: It is exceptionally fast and safe. The design allows the user to loosen the front cover fast-locks without tools, slide out the rotor assembly, wash it clean of old powder, and lock it back into place in just a few minutes, avoiding recipe cross-contamination effortlessly.

Company Details

Bronze Gleitlager

,

Bronze Sleeve Bushings

 and 

Graphite Plugged Bushings

 from Quality China Factory

  • Business Type:

    Manufacturer

  • Year Established:

    2018

  • Total Annual:

    1M-1.2M

  • Employee Number:

    40~45

  • Ecer Certification：

    Verified Supplier

Doebritz China is a joint-venture of Doebritz German and some expert in China powder handling industry with rich experience. The mission of the company is to provide high cost-performance product to the market. At the moment, 4 major products are the key. Dosing valves from Doebritz German, FG sifte... Doebritz China is a joint-venture of Doebritz German and some expert in China powder handling industry with rich experience. The mission of the company is to provide high cost-performance product to the market. At the moment, 4 major products are the key. Dosing valves from Doebritz German, FG sifte...

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Get in touch with us

  • Reach Us
  • Doebritz (Shanghai) Co., Ltd.
  • No. 61 Huai Ren Road, Donggang Town, Xishan District, Wuxi City, Jiangsu Province, China
  • https://www.doebritz-tec.com/

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