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

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.

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