Vacuum Valve VARIVENT®, Type V

VARIVENT® vacuum valves are designed to hygienically protect tanks against vacuums. A protection is already ensured when a vacuum surpasses -2.5 mbar. To minimize the cleaning effort and to protect the valve disc against conglutination, the seat ring is non-stick coated. All used elastomer seals are FDA compliant. VARIVENT® vacuum valves only require a fast response time when vacuum conditions occur. Additionally they have a safe sealing at overpressure conditions.

Special Features

  • Optimized protection against pollutant particles
  • Ideal combination with the VARITOP® Tank Safety System
  • Fast response time
  • Additional equipment

Function of the Valve

The hydraulic sizing of vacuum valves is always based on free emptying. Vacuum protection while hot or cold cleaning is not considered.

If a vacuum occurs in the tank system, the valve disc gets lifted by the vacuum. The incoming air flows through the valve from bottom to top. This offers an optimized protection against contamination caused by ingress of pollutant particles. The valve is self drained designed.

The function of the VARIVENT® vacuum valve can optionally be extended with a proximity switch feedback, a pneumatic lifting actuator and a heater.

Application Examples

VARIVENT® vacuum valves are mostly used in combination with VARITOP® Tank Safety System. This makes the brewery industry as main application area.

The optional heater ensures full functionality also below the freezing point, which enables a carefree outdoor application. Just a protection against weather is necessary.


Heating of a vacuum valve is recommended, when temperatures could reach the freezing point. It ensures that the valve disc will not freeze to the valve seat.

Voltage: 24 V AC, Power: 20 W

Pneumatic Lifting Actuator (type A)
The pneumatic lifting actuator lifts the valve disc during the tank CIP to additionally clean the valve seat. So besides the valve housing the seat and gasket surfaces get cleaned as well. The pneumatic lifting actuator can also be installed afterwards.

Feedback (type E)
The proximity switch detects the valve position normally closed. As soon as the valve disk leaves the non-actuated position the switching contact is interrupted.

Two types of proximity switches are available
Proximity switch 24 V DC M18x1 for type E
2-wire connection
3-wire connection

Pneumatic Lifting Actuator and Feedback (type R)
Type R combines the pneumatic lifting actuator type A and the proximity switch type E. Function and application see type A and type E.

Vacuum Valve VARIVENT®, Type V

Please refer to the catalog for more information.

Technical Data of the Standard Version
Material in contact with the product 1.4404 / AISI 304
Material not in contact with the product 1.4301 / AISI 304
Seal material in contact with the product EPDM, FKM , HNBR
Ambient temperature 0 to 45°C
Air supply pressure Min. 4 bar (58 psi)

Max. 8 bar (116 psi)

Product pressure Max. 6 bar (87 psi)
Surface in contact with the product DN, OD Ra ≤ 0,8 μm

IPS Ra ≤ 1,2 μm

External housing surface Matte blasted
Actuator type Pneumatic actuator air / spring
Connection fittings Welding end
Identification Adhesive ID tag
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Dear partners,

We would like to inform you that in the framework of preventive measures aimed at effectively addressing the spread of “Covid19” disease and in accordance with the National Public Health Organization guidelines (, our company is committed to ensure public health, safety of its partners and employees. Therefore we have recommended the fulfillment of our employees' tasks through teleworking.

The duration of this measure is initially set from 17.03.2020 to 30.03.2020

The design provides full operation, but due to special conditions, delays in specific tasks or communication may occur.

Our company will strive to keep its operation uninterrupted and secure by serving its clientele in ways and timeframes that are judged possible.

We thank you for understanding and we remain at your disposal.

Αγαπητοί Συνεργάτες,

Θα θέλαμε να σας ενημερώσουμε ότι στο πλαίσιο μέτρων πρόληψης με σκοπό την αποτελεσματική αντιμετώπιση εξάπλωσης του κορωνοιού και σύμφωνα με τις οδηγίες υγιεινής & ασφάλειας που έχει ορίσει ο ΕΟΔΥ (, η εταιρία μας για να διασφαλίσει τη δημόσια υγεία, την ασφάλεια των συνεργατών και των εργαζομένων της, συστήσαμε την εκπλήρωση των καθηκόντων των εργαζομένων μας, μέσω τηλεργασίας.

Η διάρκεια του συγκεκριμένου μέτρου ορίζεται αρχικά από τις 17.03.2020 έως τις 30.03.2020

Ο σχεδιασμός προβλέπει πλήρη λειτουργία, ωστόσο εξαιτίας των ειδικών συνθηκών, ενδέχεται να παρουσιαστούν καθυστερήσεις σε συγκεκριμένες εργασίες ή και στην επικοινωνία.

Η εταιρία μας θα προσπαθήσει να διατηρήσει αδιάληπτη και ασφαλή την λειτουργία της, εξυπηρετώντας το πελατολόγιο της με τρόπους και σε χρονικά πλαίσια που κρίνονται δυνατά.

Σας ευχαριστούμε για την κατανόηση και παραμένουμε στην διάθεση σας.