Our Rotary Valves (Airlocks) at a glance
Granular Rotary Valve Medium Pressure – GRM
- For use with granular products and pellets
- For metering
- For feeding pneumatic conveying systems
- Suitable for differential pressure up to 22 psi (1.5 bar)
Granular Rotary Valve High Pressure – GRH
- For use with granular products and pellets
- For metering
- For feeding pneumatic conveying systems
- Suitable for differential pressure up to 50 psi (3.5 bar)
Powder Rotary Valve Medium Pressure – PRM
- For use with powder products
- For metering
- For feeding pneumatic conveying systems
- Suitable for differential pressure up to 22 psi (1.5 bar)
Powder Rotary Valve High Pressure – PRH
- For use with powder products
- For metering
- For feeding pneumatic conveying systems
- Suitable for differential pressure up to 50 psi (3.5 bar)
Powder Blow-through Rotary Valve High Pressure – PBH
- For use with powder products
- For feeding pneumatic conveying systems
- Suitable for differential pressure up to 50 psi (3.5 bar)
Quick Clean Rotary Valve Medium Pressure – GQM and PQM
- For easy cleaning during frequent product changes
- For use with granular products and pellets
- For metering
- For feeding pneumatic conveying systems
- Suitable for differential pressure up to 22 psi (1.5 bar)
Conveyor Station Medium and High Pressure – CSM/H
Conveyor stations are available for all valve types and consist of the following standard equipment:
- Leakage air hopper
- Rotary valve
- Butterfly valve
- Feeding shoe
- Support frame
Our Rotor types for various applications
Dosing Rotors
For even and controlled product flow through a rotary valve and into a conveying system, extruder or other processing machine, Pelletron offers special dosing rotors for all rotary valve types. The depth and the width of the chambers are calculated and designed to meet specific customer requirements.
V-Shaped Rotors
For products like regrind with its characteristic uneven shape, or nylon pellets, with their very high electro static charge, Pelletron recommends the use of V-shaped rotors. In addition to the standard anti-shearing device, this additional feature prevents jamming and cutting of product. V-shape rotors are available for a variety of valve sizes.
Shallow Pocket Rotors
To improve discharge performance for adhesive and sticky pellets and powders, or for reducing product volume, the use of a shallow pocket valve is recommended. For most applications, the pockets are polished. Shallow pocket rotors are available for a variety of valve sizes.
Other Special Rotors
Pelletron offers a wide variety of rotors for special applications. Special rotors features include:
- Beveled vane tips for powder conveying and discharge to reduce friction between the housing and the rotor tips
- Exchangeable wear blades for conveying or discharge of abrasive products
- Polished valves for powder, food and pharmaceutical applications
- Other options are available upon request
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