3-Way, "Bi-Stable" Servo Controlled Vacuum Valve With Low Absorption Coils

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Servo-controlled 3-way vacuum solenoid valves with bi-stable 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 bi-stable 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
PDF Data Sheet for Product codes: 070153 070253 070353 070453 070553 070653 070853 070953

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