GEA VARIVENT, Operating Instruction

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Technical data: Ambient temperatures
Designation Description
- Valve
0 to 45 °C (32 ... 113 °F), standard
< 0 °C (32 °F): use control air with a
low dew point. Protect valve stems
against freezing.
- Proximity switch -20 to +80 °C (-4 ... +176 °F)
- Control top type T.VIS M-15, A-15 -20 to +50 °C (-4 ... +122 °F)
- Control top type T.VIS P-15 0 to +50 °C (-4 ... +122 °F)
Product temperature and operating
temperature
Depending on the sealing material
Technical data: Compressed air supply
Designation Description
Air hose
- Metric
Material PE-LD outside Ø 6 mm
Inside Ø 4 mm
- Inch
Material PA outside-Ø 6.35 mm
Inside Ø 4.3 mm
Air consumption
(depending on the operating pressure) 2 to 3.8 l for DN 25 to DN 125
3.5 to 6.5 l for DN 150
Product pressure
5 bar (72.5 psi) standard
max. 6 bar (87 psi)
Resistance to pressure surges*
DN 80-100/OD 4"
max. 25 bar (362.6 psi)
Control air pressure 4.8 bar, max. 8 bar
Control air acc. to ISO 8573-1
- Solid particle content:
Quality class 6
Particle size max. 5 µm
Particle density max. 5 mg/m
3
- Water content:
Quality class 4 max. dew point +3 °C
If the unit is used at higher altitudes or
at low ambient temperatures, the dew
point must be adapted accordingly.
- Oil content:
Quality class 3, ideally oil-free, max.
1 mg oil for 1 m
3
air
* Resistance to pressure surges in the closed valve state
5.3 Cleaning connection
Technical data
Cleaning connection
430BAL008326EN_3
24 07.02.2022