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Search results for "3-way vacuum solenoid valves" Vuototecnica

Servo-controlled 3-way vacuum solenoid valves

Servo-controlled 3-way vacuum solenoid valves

The 3-way vacuum solenoid valves in this series are 2-position valves with pneumatically servo-controlled conical shutters.
They can be used normally either closed or open.
They are composed of an anodised aluminium body, two Vulkollan® shutters assembled onto a stainless steel stem, a membrane for servo-control made with special compounds and a thrust spring for the shutter return; an actuator activated by an electric coil managed the compressed air supply.
These valves allow reducing frictions and internal dynamic stresses to the minimum. The result being a high response speed and a guarantee of long lasting duration. The standard electric coil is fully plasticised with synthetic resin, tight execution, insulation class F (up to 155 °C) compliant with VDE standards, with 6.3 mm 3-terminal electrical connections in compliance with EN 175301-803 (ex DIN 43650).
Protection degree IP 54; IP 65 for inserted connector.
Allowed tolerance on the voltage nominal value: ±10%.
Max. absorption: 20 V.A. in c.a. e 18 W in c.c.
The electric coil can be rotated by 360°.
The connector can be rotated by 180° on the coil and can be supplied, upon request, with Led lights, anti-interference circuit and/or with protection devices against overvoltage and polarity reversal. 3-way vacuum solenoid valves are usually used for intercepting vacuum on feeders and cup stackers, robots, sheet feeders, sack openers and in all those cases where a quick response is needed between suction and the air inlet into the circuit, for a quick restoration of the atmospheric pressure.
Technical features
Working pressure: from 0.5 to 3000 mbar abs.
Servo-control pressure: see table
Temperature of the sucked fluid: from -5 to +60 °C
Product codes: 070111 070211 070311 070411 070511 070611

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Servo-controlled 3-way vacuum solenoid valves with two electric coils

Servo-controlled 3-way vacuum solenoid valves with two electric coils

These solenoid valves have the same function and the same structure as the previously described three-way valves.
Even their structure is the same, but their distinctive features are the two coils that with a simple electric impulse exchange the shutter positions and keep them in this position till the next impulse even in absence of compressed air at the servo control and of electric current.
This is the reason why their use is especially recommended in all those cases requiring maximum connection security at the vacuum source, even in the absence of electrical and pneumatic power supply.
The standard electric coils are fully plastic-coated in synthetic resin, watertight, insulation class F (up to 155°C) as per standard VDE, with 6.3 mm three-terminal electrical connections for connectors in compliance with EN 175301-803 (ex DIN 43650).
Protection degree IP 54; IP 65 with connector inserted.
Tolerance permitted on the nominal voltage value: ±10%.
Maximum absorption: 8 - 20 V.A. with AC and 6.5 - 18 W with DC.
The electric coils can be rotated 180°. The connectors can be rotated 180° on the coils and can be supplied, upon request, with LED lights, anti-interference circuit and/or with protection devices against overvoltage and polarity reversal.
Technical features
Working pressure: from 0.5 to 3000 mbar abs.
Servo-control pressure: see table
Temperature of the sucked fluid: from -5 to +60 °C
Product codes: 070151 070251 070351 070451 070551 070651 070851 070951

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Direct drive 3-way vacuum solenoid valves

Direct drive 3-way vacuum solenoid valves

These direct drive three-way, two-position vacuum solenoid valves feature conical shutters servo-controlled by the vacuum.
They are normally closed as standard, but they can be supplied normally open upon request.
They are composed of an anodised aluminium body where the connections are located, two silicone shutters assembled onto a stainless steel stem and a membrane in special reinforced compound. An actuator activated by an electric coil manages the vacuum at the servo-control. The operating principle of these solenoid valves is based on the pressure differential between the vacuum pump or generator and the pressure of the suctioned air.
By addressing this “differential pressure” to the servo-control via the actuator, the shutters can be controlled without compressed air or springs.
Due to their operating principle, they are not recommended on plants with rough vacuum levels (below 850 absolute mbar, equal to 15 % vacuum).
The lack of springs, frictions and internal dynamic stresses favours a high response speed and guarantees long lasting operation.
The standard electric coil is fully plasticised with synthetic resin, tight execution, insulation class F (up to 155°C) compliant with VDE standards, with 6.3 mm three-terminal electrical connections in compliance with EN 175301-803 (ex DIN 43650).
Protection degree IP 54; IP 65 with connector inserted.
Tolerance permitted on the nominal voltage value: ±10%.
Maximum absorption: 20 V.A. with AC and 18 W with DC.
The electric coil can be rotated 360°. The connector can be rotated 180° on the coil and can be supplied, upon request, with LED lights, anti-interference circuit and/or with protection devices against overvoltage and polarity reversal.
The solenoid valves in this series, along with the uses described for the 07 .. 11 series, can be used on plants with no compressed air.
The solenoid valve must be always chosen according to the flow rate and, therefore, to the vacuum pump or generator suction connection.
Technical features
Operating pressure: from 0.5 to 850 absolute mbar
Temperature of suctioned fluid: from -5 to +60°C
Product codes: 070340NC 070340NO 070440NC 070440NO 070540NC 070540NO 070640NC 070640NO

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Servo-controlled 3-way vacuum solenoid valves with bistable impulse solenoid pilot valve and with low absorption electric coil

Servo-controlled 3-way vacuum solenoid valves with bistable impulse solenoid pilot valve and with low absorption electric coil

These solenoid valves have the same function and the same structure as the previously described three-way valves.
Even their structure is the same; what differentiates them are the bistable impulse solenoid pilot valve powered by a low absorption fitted electrical coil which, with a simple electrical impulse, exchanges the shutter positions and keeps them there even in absence of electricity, until it receives a new impulse of opposite polarity. For this reason, they can only be supplied with direct current electric coils.
Their use is especially recommended in all those cases requiring maximum connection security at the vacuum source, even in the absence of electrical power supply.
The electric coils of the solenoid pilot valve are fully plastic-coated in synthetic resin, watertight, insulation class F (up to 155°C) as per standard VDE, with 3 mm two-terminal electrical connections for connectors in compliance with EN 175301-803(ex DIN 43650) – C. Protection degree IP 54; IP 65 with connector inserted.
Available for voltages 12-24VDC.
Tolerance permitted on the nominal voltage value: ±10%.
Maximum electric power: 1 W
The connector can be rotated 180° on the coil and can be supplied, upon request, with LED lights, anti-interference circuit and/or with protection devices against overvoltage and polarity reversal.
The push-button device for their manual activation cannot be installed on these solenoid valves.
Technical features
Operating pressure: from 0.5 to 3000 absolute mbar
Servo-control pressure: see table
Temperature of suctioned fluid: from -5 to +60°C
Product codes: 070153 070253 070353 070453 070553 070653 070853 070953

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Direct drive 3-way vacuum solenoid valves with low absorption electric coil

Direct drive 3-way vacuum solenoid valves with low absorption electric coil

These direct drive three-way, two-position vacuum solenoid valves feature conical shutters servo-controlled by the vacuum.
They are normally closed as standard, but they can be supplied normally open upon request.
They are composed of an anodised aluminium body where the connections are located, two silicone shutters assembled onto a stainless steel stem and a membrane in special reinforced compound. A solenoid pilot valve activated by a built-in electric coil manages the vacuum at the servo-control. The operating principle of these solenoid valves is based on the pressure differential between the vacuum pump or generator and the pressure of the suctioned air. By addressing this “differential pressure” to the servo-control via the solenoid pilot valve, the shutters can be controlled without compressed air or springs.
Due to their operating principle stated above, they are not recommended on plants with rough vacuum levels (below 850 absolute mbar, equal to 15 % vacuum).The lack of springs, frictions and internal dynamic stresses favours a high response speed and guarantees long lasting operation.
The electric coils of the solenoid pilot valve are fully plastic-coated in synthetic resin, watertight, insulation class F (up to 155°C) as per standard VDE, with 3 mm two-terminal electrical connections for connectors in compliance with EN 175301-803 (ex DIN 43650) - C.
Protection degree IP 54; IP 65 with connector inserted.
Available for voltages 12-24V/50-60Hz and 12-24VDC.
Tolerance permitted on the nominal voltage value: ±10%.
Maximum electric power: 2 W
The connector can be rotated 180° on the coil and can be supplied, upon request, with LED lights, anti-interference circuit and/or with protection devices against overvoltage and polarity reversal. A push-button device, built-in the solenoid pilot valve, allows manually opening and closing the solenoid valve.
The solenoid valves in this series, along with the uses described for the 07 .. 11 series, can be used on plants with no compressed air.
The solenoid valve must be always chosen according to the flow rate and, therefore, to the vacuum pump or generator suction connection.
Technical features
Operating pressure: from 0.5 to 850 absolute mbar
Temperature of suctioned fluid: from -5 to +60°C
Product codes: 070343NC 070343NO 070443NC 070443NO 070543NC 070543NO

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3-Way vacuum solenoid valves with bistable impulse solenoid pilot valve and with low absorption electric coil

3-Way vacuum solenoid valves with bistable impulse solenoid pilot valve and with low absorption electric coil

These solenoid valves have the same functions and structure as the previously described ones.
Their distinctive feature is a bistable impulse solenoid valve activated by a built-in low absorption electric coil which, at a simple electric impulse, exchanges the shutter position even in absence of electricity, until it receives a new impulse of opposite polarity. For this reason, they can only be supplied with DC electric coils.
They are particularly recommended in all those cases that require a safe connection to the vacuum source, even in absence of electricity.
The electric coil of the solenoid pilot valve is fully plasticised plasticised with synthetic resin, tight execution, insulation class F (up to 155 °C) compliant with VDE standards, with 3 mm 2-terminal electrical connections in compliance with EN 175301-803 (ex 43650)-C.
Protection degree IP 54; IP 65 for inserted connector.
Available for voltages of 12-24V/CC.
Allowed tolerance on the voltage nominal value: ±10%.
Maximum electric power: 1 W
The connector can be rotated by 180° on the coil and can be supplied, upon request, with Led lights, anti-interference circuit and/or with protection devices against overvoltage and polarity reversal.
The push-button device for their manual activation cannot be installed on these solenoid valves.
Technical features
Working pressure: from 0.5 to 850 mbar abs.
Temperature of the sucked fluid: from -5 to +60 °C
Product codes: 070363NC 070363NO 070463NC 070463NO 070563NC 070563NO

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Servo-controlled 3-way vacuum solenoid valves with low absorption electric coil

Servo-controlled 3-way vacuum solenoid valves with low absorption electric coil

The three-way vacuum solenoid valves in this series are two-position valves with pneumatically servo-controlled conical shutters.
They can be used normally either closed or open.
They are composed of an anodised aluminium body, two Vulkollan® shutters assembled onto a stainless steel stem, a membrane for servo-control made with special compounds and a thrust spring for the shutter return; a solenoid pilot valve activated by a built-in electric coil managed the compressed air supply.
These valves allow reducing frictions and internal dynamic stresses to the minimum. The result being a high response speed and a guarantee of long lasting duration.
The electric coils of the solenoid pilot valve are fully plastic-coated in synthetic resin, watertight, insulation class F (up to 155°C) as per standard VDE, with 3 mm two-terminal electrical connections for connectors in compliance with EN 175301-803(ex DIN 43650) - C.
Protection degree IP 54; IP 65 with connector inserted.
Available for voltages 12-24V/50-60Hz and 12-24VDC.
Tolerance permitted on the nominal voltage value: ±10%.
Maximum electric power: 2 W
The connector can be rotated 180° on the coil and can be supplied, upon request, with LED lights, anti-interference circuit and/or with protection devices against overvoltage and polarity reversal.
A push-button device, built-in the solenoid pilot valve, allows manually opening and closing the solenoid valve.
The 3-way vacuum solenoid valves are used for vacuum interception on power supply units and suction palletisers, robots, feeders, bag opening units and in all those cases where rapid exchange between pump suction for vacuums and air supply into the circuit is necessary for quick restoration of atmospheric pressure.
Technical features
Operating pressure: from 0.5 to 3000 absolute mbar
Servo-control pressure: see table
Temperature of suctioned fluid: from -5 to +60°C
Product codes: 070113 070213 070313 070413 070513 070613 070813 070913

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