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ESL valves

A powerful combination of economic efficiency and hygiene

The specialists for products with an extended shelf life (ESL)

They offer a high level of safety – and  yet are less expensive than aseptic components: Evoguard valves for products with an extended shelf life

A high level of hygiene, but without the price tag that comes with aseptic valve technology? A requirement that we often encounter in the world of beverage manufacture. Our answer: The Evoguard ESL series. It comprises seat, control and double seat mixproof valves in hygienic design – and thus incorporates the entire production of sensitive ESL products in safe processes. Its combination of low investment costs and a long service life makes it particularly attractive from an economic viewpoint.

The Evoguard ESL program fulfils the requirements on valve series in hygiene class IV. Its area of application comprises sensitive refreshment drinks without preservatives, as well as drinks distributed outside of the cold chain. New and innovative design details make both the seat valve and the double seat mixproof valve exceptionally conscientious guardians of product safety.

 

Valves for shut-off

ESL seat valve SD

  • For shutting off pipe systems in ESL processes

    With ESL seat valves, Evoguard offers the right components for all applications in ESL processes.

  • Actuator allocation according to product pressure
    • 6 bar
    • 10 bar
  • PN 25 housing without dome
  • ​Membrane technology instead of shaft seal
  • One-piece valve disk with PTFE compound sealing ring
  • Connections for leakage removal and monitoring
  • Rotational decoupling on linkage between valve shaft and actuator for torsion-free lift motion of the valve disk
  • Cost-attractive design for ESL applications
  • Maintenance-free actuator – designed for 1,000,000 cycles
  • Resistant to all products and cleaning agents
  • Optimum cleaning conditions
  • Free cross-sections
  • Designed for up to 500,000 switching cycles
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Valves for controlling

ESL control valve RD

  • Quick and accurate control of ESL processes

    Evoguard control valves comprise all engineering details for high performance in daily application.

  • Diaphragm actuator: size adjustment to the product pressure
  • ​Selection based on rated width, Kvs value and seat diameter
  • Fine adjustment
  • Diaphragm actuator with mounted position controller
  • Equal-percentage or linear control cone
  • Sealing system concept according to the seat valve
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Valve for aseptic shut-off and separation

ESL double seat valve MD

  • Separation of incompatible media in ESL processes

    ESL double seat valve by Evoguard: the reliable junction for connecting individual pipe systems.

  • Cost-attractive design for ESL applications
  • Actuator assignment:
    • 6 bar
    • 10 bar with integrated clock pulse functions 
  • Fast cycle times and low air consumption
  • Safety during lifting of the bottom valve disk by locking the top valve disk with compressed air
  • Housing PN 25 without dome
  • Connections for leakage removal and monitoring
  • Membrane technology instead of shaft seal
  • Defined pressing onto sealing surface
  • Leakage chamber with angular flushing valve
    • Direction of flow of the cleaning liquid diagonal to the valve disk
    • Turbulence in the safety chamber
  • Resistant to all products and cleaning agents
  • Optimum cleaning conditions
  • Free cross-sections
  • Designed for up to 500,000 switching cycles
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