Rotary Valves

Rotary Valve ZVH

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Efficiently designed for high-pressure discharging, the Rotary Valve ZVH ensures gentle handling of granular products while maximizing flow and performance.

Efficiently designed for high-pressure discharging, the Rotary Valve ZVH ensures gentle handling of granular products while maximizing flow and performance.

High-pressure discharging valve for granular products

The Rotary Valve ZVH is a high-pressure discharging valve designed specifically for granular products. Engineered to optimize capacity, it features an ideal ratio of rotor volume to inlet cross-section, ensuring efficient material flow. Its unique inlet geometry allows for gentle handling of pellets, minimizing damage and preserving product quality. Additionally, the integrated feeding shoe enhances versatility, making it suitable for feeding bulk materials into pneumatic conveying systems at pressures of up to 3.5 barg (51 psi). Experience enhanced performance and reliability with the Rotary Valve ZVH, tailored to meet your material handling needs.

Main features

  • Pressure range
    3.5 barg (51 psi) system and differential pressure
  • Pressure surge proof
    10 barg (145 psi), due to heavy duty design
  • ATEX (optional)
    Usable in Ex-Zones
  • Inlet for pellets
    Anti-chopping inlet geometry (patented) for safe starting below full product column
  • Low leakage
    High pressure rotor with 12 pockets and axial seals
  • Capacity
    High filling efficiency by internal leakage gas venting

Related Industries

  • Plastics
  • Food & Pet Food

Options and Accessories

  • Ideal ratio of rotor volume to inlet cross section creates maximum capacity
  • With special inlet geometry for gentle product handling
  • With feeding shoe also suitable for feeding bulk materials into pneumatic conveying systems at up to 3.5 barg (21 psi)

 

 

Innovative Design for Optimal Functionality and Efficiency

The innovative design is complemented by a premium sealing system, which includes a floating sealing cassette and locking gas, further enhanced by a labyrinth ring for optimal performance. The valve's outboard bearings and a dedicated drop-out opening, separate from the product area, facilitate easy detection of gasket failures, ensuring reliability and maintenance efficiency. Additionally, the 12-chamber closed-end H-Rotor is expertly designed for discharging and conveying materials into pneumatic systems at pressures of up to 3.5 bar. The end plates are encircled by a robust ring that serves as the contact surface for a radial seal, reinforcing the ZVH's commitment to durability and precision in operation.

 

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ZRD Performance Diagram

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