Rotary Valve
Our rotary valves are designed for reliable dosing, feeding, conveying and discharge of bulk materials in demanding industrial processes.
Each rotary valve ensures controlled material flow while providing robust and dependable operation.
Standard rotary valves are suitable for a wide range of dusty, granular and abrasive bulk materials.
Self-cleaning rotary valves are specially developed for sticky, moist and bridging materials that tend to build up.
Their mechanical cleaning system helps keep the rotor chambers clear and reduces blockages.
High-pressure rotary valves provide reliable material handling in pressure and vacuum applications.
Pressure-shock-resistant configurations are available for demanding process and explosion-protection requirements.
Different materials, sealing systems, wear protection, heating and cooling options allow each valve to be adapted to the application.
A wide range of sizes and configurations provides solutions for both standard and highly demanding operating conditions.
Rotary Valve - Models
Our rotary valves provide reliable and precise dosing, feeding and discharge of bulk materials across a wide range of industrial applications. Available in standard, self-cleaning and high-pressure designs, each rotary valve can be configured to meet specific material and process requirements.
Rotary Valve
Our rotary valve provides reliable and precise dosing, feeding and discharge of bulk materials. Designed for dusty, granular and abrasive products, it offers durable construction, various sealing options and optional wear protection, heating or cooling for demanding industrial applications.
Self-cleaning Rotary Valve
The self-cleaning rotary valve is designed for sticky, moist and bridging bulk materials. A synchronized mechanical scraper continuously cleans the rotor chambers, reducing material buildup and blockages while ensuring reliable dosing, discharge and consistent material flow.
High-Pressure Rotary Valve
Our high-pressure rotary valve is engineered for reliable bulk-material handling in pressure and vacuum applications. Available in pressure-shock-resistant and ATEX-compliant configurations, it provides dependable dosing and discharge under demanding pressure, temperature and industrial process conditions.
Rotary Valve - Benefits
Our rotary valves combine reliable performance, robust construction and flexible configurations for efficient bulk material handling. Designed for diverse process requirements, they deliver dependable operation across a wide range of industrial applications.
Reliable Material Flow −
Ensures consistent dosing, feeding and discharge of bulk materials.
Versatile Applications +
Robust & Durable Design +
Customized Solutions +
Special Process Designs +
Rotary Valve - Features
Our rotary valves combine reliable performance, robust construction and flexible configurations for efficient bulk material handling. Designed for diverse process requirements, they deliver dependable operation across a wide range of industrial applications.
- Heavy-Duty Construction:Robust design for long service life.
- Self-Cleaning Design:Prevents material build-up and blockage.
- Multiple Rotor & Housing Options:Various rotor and housing configurations.
- Heating & Cooling Options:Optional jackets for temperature control.
- Wear-Resistant Components:Hardened and coated parts for longer life.
- Multiple Material Options:Cast iron, carbon steel, and stainless steel.
- ATEX Certified:Explosion-proof versions for hazardous areas.
- Leakage Control:Optional air seals and overfill protection.
- Precise Material Feeding:Accurate volumetric dosing and discharge.
Rotary Valve Technical Data
Diameter:
from 80 mm to 2,300 mm
Feed rate:
from 2.2 to 100 liters/rev.
Fixed speed of the rotor:
10, 20, 30 rev./min.
Variable speed of the rotor:
4 - 22 rev./min.
Rotary Valves
Our rotary valves provide reliable solutions for dosing, sealing, feeding, discharging and measuring a wide range of bulk materials in demanding industrial applications. Based on the principle of volumetric conveying, each rotary valve delivers controlled material flow and can be configured with different materials, sealing systems, wear protection, and optional heating or cooling.
For standard bulk material handling, our rotary valves are suitable for dusty, granular and abrasive products such as cement, coal, ash, plastics and carbon black. Self-cleaning rotary valves are specially designed for sticky, moist and bridging materials, using forced mechanical cleaning to remove adhering product, minimize residues and help prevent blockages.
For demanding pressure and vacuum processes, high-pressure rotary valves provide reliable operation under challenging conditions. Available with pressure-shock-resistant and ATEX-compliant designs, Zero Gap technology and specialized wear protection, these rotary valves can be adapted to demanding industrial processes.
With rotor diameters ranging from 80 mm to 2,300 mm and a wide variety of configurations, our rotary valve solutions combine robust construction, reliable performance and application-specific engineering for efficient bulk material handling.
Frequently Asked Questions
A rotary valve is used to meter, feed, discharge, and airlock powders, granules, and other bulk materials while maintaining pressure separation between process stages.
Rotary valves are suitable for powders, granules, pellets, ash, cement, coal, chemicals, plastics, minerals, food ingredients, and other dry bulk materials.
A self-cleaning rotary valve is recommended for sticky, moist, cohesive, or bridging materials that can build up inside a standard rotary valve. Its forced cleaning system minimizes blockages and improves discharge reliability.
The mechanical scraper continuously cleans the rotor pockets, reducing material build-up, preventing blockages, and minimizing manual cleaning and maintenance.
Yes. High-pressure rotary valves are available for pressure and vacuum applications, with operating pressures ranging from approximately 40 mbar absolute up to 30 bar, depending on the design.
Yes. Wear-resistant designs with hardened wear sleeves, sealing strips, and abrasion-resistant materials are available for handling abrasive bulk solids.
Yes. ATEX-certified rotary valves are available for use in explosive dust atmospheres and hazardous industrial environments.
Rotary valves can be manufactured from cast iron, carbon steel, stainless steel, and other special materials to suit corrosive, abrasive, and hygienic applications.
Yes. Rotary valves can be equipped with heating or cooling jackets to maintain product temperature and improve handling of temperature-sensitive materials.
Selection depends on the bulk material, particle size, capacity, pressure, temperature, wear characteristics, and process requirements. A customized design ensures optimum performance and service life.
