Designed for pharmaceutical, food, dairy powder, nutraceutical, grain milling, starch processing, and fine chemical industries, this valve provides stable material transfer in demanding production lines. With precision-machined components, stainless steel construction, and optimized internal geometry, the AVM Sanitary Rotary Airlock Valve for Dry Bulk Materials supports reliable feeding, efficient conveying, and easier cleaning procedures for modern hygienic manufacturing facilities.
As an experienced sanitary equipment manufacturer, AVM provides customized configurations according to process requirements, including different sizes, connection standards, sealing materials, and actuator options to meet various powder handling applications.
The Sanitary Rotary Airlock Valve for Dry Bulk Materials operates through a precision rotor mechanism that captures material within the rotor pockets and transfers it from the inlet to the outlet at a controlled rate. This design enables stable feeding performance for pneumatic conveying, packaging systems, batching processes, and continuous production lines.
The optimized rotor structure helps minimize material bridging, irregular discharge, and flow fluctuation, ensuring consistent powder delivery even when handling fine particles or sensitive materials.
The valve functions as an important connection point between storage equipment and conveying pipelines. It maintains system pressure balance while allowing powders and granules to enter positive-pressure or vacuum conveying systems smoothly.
This makes the AVM rotary valve suitable for automated production environments where accurate feeding, process stability, and reduced material loss are critical requirements.
The Sanitary Rotary Airlock Valve for Dry Bulk Materials is engineered with hygienic manufacturing principles to support pharmaceutical and food-grade processing requirements. Product-contact components are manufactured from SS316L stainless steel with polished surfaces, reducing material retention areas and minimizing the risk of contamination.
The smooth internal structure helps improve cleaning efficiency and supports validation procedures required in GMP-controlled production facilities.
The sanitary quick-clamp connection design allows operators to access internal components quickly without complex tools. The rotor assembly can be removed efficiently for inspection, cleaning, and maintenance, helping reduce production downtime during batch changeovers.
This easy-maintenance structure is especially valuable for facilities processing multiple products where frequent cleaning and rapid line conversion are required.
Manufactured with high-quality stainless steel materials, the valve provides excellent corrosion resistance and long-term mechanical reliability in harsh production environments. SS316L is used for media-contact parts, while SS304 is available for non-contact components to balance performance and cost requirements.
Different sealing solutions, including Silicone, EPDM, FKM, and FFKM, can be selected according to operating temperature, chemical compatibility, and industry requirements.
AVM supports customized rotary valve solutions with multiple sizes, connection standards, actuator options, and rotor surface treatments. PTFE, ceramic, and FKM rotor lining options are available for applications requiring enhanced wear resistance, chemical resistance, or special material compatibility.
This flexibility allows the equipment to integrate into different production systems, from small-scale laboratory processing to industrial manufacturing lines.
AVM focuses on delivering reliable sanitary processing equipment through strict manufacturing control and material inspection procedures. The Sanitary Rotary Airlock Valve for Dry Bulk Materials can be configured with FDA-compliant sealing materials and designed according to GMP requirements for pharmaceutical and food processing applications.
The product-contact surface finish can achieve Ra ≤0.4 μm, supporting hygienic operation and easier cleaning validation. For explosive environments, ATEX II 2 GD T4 explosion protection configuration is available to improve operational safety.
Through professional engineering support, AVM helps customers select suitable materials, connection standards, and configurations based on their production conditions.
The AVM sanitary rotary valve is widely applied in industries where clean processing and accurate material control are essential. It is commonly used for pharmaceutical powder transfer, tablet and capsule production, infant formula processing, dairy powder handling, food ingredient dosing, sugar and starch manufacturing, nutraceutical production, and specialty chemical powder processing.
Its hygienic structure and reliable feeding performance make it suitable for automated filling lines, blending systems, conveying equipment, and powder batching applications.
| Parameter | Specification |
| Product Type | Sanitary Rotary Valve / Rotary Feeder |
| Size Range | 3" – 10" (DN80 – DN250) |
| Working Pressure | -0.1 MPa to +0.15 MPa (up to 1.5 bar) |
| Operating Temperature | -20°C to +150°C (depending on seal material) |
| Explosion Protection | ATEX II 2 GD T4 |
| Actuation | Pneumatic actuator (0°–180° rotation), optional 0°–90° rotation |
| Product Contact Material | SS316L |
| Non-Contact Material | SS304 |
| Rotor Lining Options | PTFE / Ceramic / FKM |
| Standard Seal Material | Viton (FKM) |
| Surface Finish | Product Contact Surface Ra ≤0.4 μm |
| Connection Type | Tri-clamp, flange |
| Connection Standards | DIN, ISO 1127, BS4825, ISO, SMS |
To maintain stable operation, regular inspection of seals, rotor clearance, and internal surfaces is recommended according to production conditions. Routine cleaning should follow the facility's hygiene management procedures, especially when processing different powders or pharmaceutical products.
Selecting suitable sealing materials and maintaining correct operating parameters can significantly extend service life and reduce unexpected downtime.
AVM provides more than standard rotary valve products by supporting customers with engineering consultation, customized design, and application-based solutions. From material selection and connection design to production requirements and compliance considerations, AVM works with customers to develop reliable equipment for hygienic manufacturing environments.
With a focus on quality, durability, and process safety, AVM Sanitary Rotary Airlock Valve for Dry Bulk Materials helps manufacturers achieve cleaner production, stable material flow, and improved operational efficiency.
AVM sanitary rotary valves support various sealing options including Silicone, EPDM, FKM, and FFKM. The appropriate seal material can be selected according to temperature range, chemical compatibility, and specific production requirements.
Yes. The valve is designed with GMP-oriented hygienic features, including SS316L product-contact materials, polished surfaces, and easy-clean construction, making it suitable for pharmaceutical powder handling and other regulated industries.
The valve is suitable for powders, granules, and fine bulk materials such as pharmaceutical powders, food ingredients, dairy powder, starch, sugar, nutraceutical materials, and specialty chemicals.
Yes. AVM supports customized solutions including different sizes, connection standards, actuator configurations, rotor designs, and sealing materials to match specific production line requirements.
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