For sanitary processing lines, buyers typically focus on cleaning time, product contamination risk, feeding accuracy, sealing performance and maintenance downtime. AVM Sanitary Quick-Clean Rotary Airlock Valve addresses these requirements with a tool-free quick-clean structure, polished product-contact surfaces, fast rotor removal and precise rotor re-alignment after reassembly.
The Sanitary Quick-Clean Rotary Airlock Valve is designed for rapid disassembly and cleaning without complicated tools. Quick-opening dismantle or fast-lock mechanisms provide direct access to the rotor and internal components, helping operators complete inspection and cleaning with less downtime.
A dedicated positioning system helps the rotor and end plates return to the correct position during reassembly. This reduces adjustment work after cleaning and helps maintain consistent operating performance.
Product-contact surfaces are available with a polished finish of Ra < 0.4 μm, helping reduce material retention and simplify cleaning. Media-contact components can be manufactured from SS304 or SS316L, depending on the required level of corrosion resistance and process conditions.
The multi-vane rotor provides continuous and controlled material discharge while maintaining pressure separation between upstream and downstream equipment. This makes the valve suitable for both positive-pressure and vacuum pneumatic conveying systems.
The rotary conveying action gently transfers powders and granules through the rotor pockets. Compared with more aggressive conveying methods, this helps reduce particle damage and maintain more consistent material characteristics during continuous feeding.
Material enters the rotary valve through the inlet and fills the pockets between the rotor vanes. As the rotor turns, the material is carried toward the outlet and discharged at a controlled rate.
At the same time, the rotor provides an airlock function between the material inlet and conveying system. This helps maintain the pressure differential required for pneumatic conveying while providing a continuous supply of material.
The same operating principle can be used beneath silos, hoppers, storage bins and other material handling equipment where controlled discharge and reliable flow are required.
The rotor and internal components can be removed without conventional tools, allowing operators to access product-contact areas directly for cleaning and inspection.
After cleaning, the positioning system assists with accurate rotor and end-plate alignment. This helps reduce reassembly time and minimizes the risk of incorrect positioning.
The combination of fast disassembly, easy cleaning and simplified reassembly allows maintenance teams to return the valve to service faster, which is particularly important for production lines requiring frequent sanitation.
Suitable for general powders and granules requiring reliable feeding and discharge.
Provides additional adjustment options for applications with different material flow characteristics and capacity requirements.
Designed for applications where smoother material handling and improved pocket filling characteristics are required.
Suitable for fine powders and applications where reduced material retention or controlled pocket volume is important.
Rotor configurations can be selected according to material properties, required throughput and process conditions.
AVM provides different material and sealing configurations to match sanitary processing requirements.
The product-contact body can be manufactured from SS316L or SS304, while non-product-contact components can use SS304. Optional rotor linings include Nylon, Ceramic and PTFE.
Available seal materials include Viton (FKM), EPDM, PTFE and Silicone. FDA-compliant sealing options are available for applicable food and pharmaceutical applications.
The valve can be installed beneath silos and hoppers for controlled feeding of starch, milk powder, coffee powder, sugar and other food ingredients. Its sanitary construction and quick-clean design help support frequent cleaning requirements.
AVM Sanitary Quick-Clean Rotary Airlock Valve can be used for transferring APIs, excipients and powders in pharmaceutical production. The polished product-contact surfaces and tool-free cleaning design help reduce material retention and cross-contamination risks.
The valve provides controlled feeding for pigments, additives, catalysts and specialty powders where stable discharge, product purity and reliable sealing are important.
The rotary valve acts as an airlock in both positive-pressure and vacuum conveying systems. It provides continuous material feeding while helping maintain the pressure difference required for stable pneumatic transport.
Installed below silos, hoppers or storage bins, the valve provides consistent powder and granular material discharge for mixing, blending and packaging processes, helping improve batch repeatability.
The Sanitary Quick-Clean Rotary Airlock Valve can be used for handling graphite powders, conductive additives, cathode materials, anode materials and other fine battery materials. SS construction, controlled discharge and sealing performance help support clean and stable material transfer.
| Specification | Details |
| Size | 6"–100" / DN150–DN300 |
| Working Pressure | -0.1 MPa to +0.15 MPa |
| Maximum Pressure | Up to 1.5 bar |
| Rotor Vane | 6–12 blades |
| Rotor Types | Straight, Adjustable, Helical/Radius Pocket, Reduced Volume/Shallow Pocket |
| Rotor Lining | Nylon, Ceramic, PTFE |
| Operating Temperature | -20°C to +150°C, depending on seal material |
| Actuation | Standard Gear Motor / Explosion-Proof Motor |
| Product-Contact Material | SS316L / SS304 |
| Non-Product-Contact Material | SS304 |
| Standard Sealing | Non-tight Shut-off |
| Seal Options | FKM, EPDM, PTFE, Silicone |
| Product Contact Finish | Ra < 0.4 μm |
| Connection | Flange |
| Connection Standards | ANSI Class 150, DIN PN10, JIS 10K, HG20592, GB PN10 |
| Key Consideration | AVM Sanitary Quick-Clean Rotary Airlock | Standard Rotary Airlock |
| Cleaning | Tool-free quick disassembly | Usually requires more disassembly work |
| Product Contact | Polished sanitary surfaces | Depends on design |
| Rotor Access | Rapid removal | Generally more maintenance steps |
| Reassembly | Positioning system assists alignment | Manual alignment may be required |
| Materials | SS304 / SS316L options | Material options vary |
| Seals | FDA-compliant options available | Depends on configuration |
| Application | Food, pharmaceutical, dairy, biotech, fine chemical | General bulk material handling |
A pharmaceutical processing customer required a rotary airlock that could be opened frequently for cleaning without lengthy maintenance procedures. The customer selected the AVM quick-clean design because the rotor could be removed without conventional tools. After cleaning, the positioning system helped simplify rotor re-alignment and reduce reassembly work.
A food-processing customer used the rotary valve beneath a powder storage hopper for continuous ingredient feeding. The customer focused on hygienic surfaces and stable discharge. The Ra < 0.4 μm product-contact finish and polished stainless-steel construction helped meet the customer's cleaning requirements while maintaining consistent material flow.
A customer integrated the rotary airlock into a pneumatic conveying line where stable feeding and pressure isolation were important. The valve provided continuous material discharge while maintaining the required pressure difference between the hopper and conveying pipeline, helping the customer achieve more stable conveying performance.
AVM holds multiple international certifications and compliance qualifications, including 3-A Sanitary Standards, ISO 9001, CE, and FDA compliance. These certifications support AVM's commitment to hygienic design, consistent quality control and reliable manufacturing for food, pharmaceutical, dairy, biotechnology and other sanitary processing applications.
The Sanitary Quick-Clean Rotary Airlock Valve is designed to support GMP-compliant manufacturing environments, with polished product-contact surfaces, sanitary stainless-steel construction and FDA-compliant sealing options available for applicable applications.
For customers purchasing sanitary rotary airlock valves, AVM provides certification and material documentation according to project requirements, helping support quality audits, equipment validation and hygienic process compliance.
It is suitable for food & beverage, pharmaceutical, dairy, biotechnology, fine chemical and lithium battery applications, as well as pneumatic conveying and bulk material handling systems.
Yes. AVM provides different rotor configurations, including straight vane, adjustable vane, helical/radius pocket and reduced-volume/shallow pocket designs. The selection can be based on material characteristics, required capacity and feeding conditions.
Product-contact components are available in SS304 and SS316L. Different rotor lining options, including Nylon, Ceramic and PTFE, are also available for specific material-handling requirements.
Available options include FKM (Viton), EPDM, PTFE and Silicone. FDA-compliant sealing materials can be selected for applicable sanitary processing applications.
Yes. The quick-clean design allows the rotor and internal components to be removed rapidly without conventional tools. This provides easier access for cleaning, inspection and maintenance.
Yes. The rotary airlock can be used in both positive-pressure and vacuum pneumatic conveying systems, providing continuous material feeding while helping maintain pressure isolation.
The valve is suitable for powders, granules, flakes and other bulk solids, including starch, milk powder, coffee powder, sugar, pharmaceutical powders, pigments, additives, graphite and battery materials.
The standard operating temperature range is -20°C to +150°C, depending on the selected sealing material and actual process conditions.
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