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Search results for "Vacuum regulators" Vuototecnica

Vacuum regulators

Vacuum regulators

These devices control the level of vacuum, maintaining it constant at the pre-set value (secondary vacuum), regardless of the network's flow rate and the fluctuations in vacuum level (primary vacuum).
They operate by membrane-piston and exploit the pressure differential between the secondary vacuum and the atmospheric pressure.
Unlike the vacuum control valves, reducers do not release air into the circuit, thereby allowing for the creation more grip points taken at different degrees of vacuum, from a single vacuum source.
The level of vacuum is adjusted manually by turning the knurled thumb screw clockwise to increase it, and counter clockwise to decrease it.
Technical features
- Operation: membrane-piston regulator
- Adjustable operating pressure: from 800 to 1 mbar abs.
- Flow rate: from 2 to 160 m3/h.
- Room temperature: from -10 to +80 °C
- Installation position: any
Usage
The best use of vacuum reducers is in centralised plants where, regardless of the plant's level of vacuum, each outlet can be adjusted within that value. Moreover, they are necessary whenever the working vacuum must be lower than the primary vacuum.
Product codes: 110110 110210 110310 110410 110510 110610

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Vacuum regulators with pneumatic adjustment

Vacuum regulators with pneumatic adjustment

Vacuum regulators with pneumatic adjustment differ from the previous ones for the way they adjust the vacuum level; in fact, instead of acting manually on the adjustment screw, it is necessary to act on the pneumatic cylinder compressed air supply: the higher the pressure, and the higher the vacuum level and vice versa.
Vacuum regulators are used to adjust the pre-set vacuum level and keep it constant (secondary vacuum), regardless of the pump vacuum level (primary vacuum).
Unlike the vacuum adjusting valves, regulators do not introduce air into the circuit, thus producing more gripping points with different vacuum values, from only one vacuum source.
Their operating principle is based on the contrasting action between a pneumatic cylinder with short stroke and a fluctuating piston driven by the pressure differential existing between the secondary vacuum and the atmospheric pressure.
Technical features
- Operation: membrane-piston regulator.
- Supply pressure:
--- from 0 to 3 bar (g) for regulators item 11 .. 30
--- from 0 to 5 bar (g) for regulators item 11 .. 80
- Adjustable working pressure:
--- from 800 to 1 mbar abs. for regulators item 11 .. 30
--- from 980 to 1 mbar abs. for regulators item 11 .. 80
- Capacity: from 2 to 160 m3/h
- Room temperature: from -10 to +80 °C.
- Installation position: any.
Usage
Vacuum regulators are mainly used on centralised plants where, regardless of the plant vacuum level, each grip can be adjusted within that value. Moreover, they are necessary whenever the working vacuum must be lower than the primary vacuum and kept constant. Vacuum regulators with pneumatic adjustment can be installed away from the control point, since it is sufficient to have a pressure regulator on the control panel to act on them.
Product codes: 110130 110230 110330 110430 110530 110630 110380 110580 110680

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