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News

Valves for water, air and neutral media can operate in closed media circuits

Festo : 14 July, 2013  (New Product)
Festo has introduced the VZWF valve, a force pilot operated solenoid valve that can be used with water, air, and neutral media. This new valve utilises relatively small solenoids to control high pressures with large nominal diameters. The units can switch at pressures as low as zero bar and close automatically in the case of a pressure loss in the circuit. These valves can be applied in closed media circuits.
Valves for water, air and neutral media can operate in closed media circuits

The VZWF series is suitable for applications in which the medium can be vented downstream of the valve into the atmosphere or a tank. The VZWF is used for gaseous and liquid material flows up to a maximum viscosity of 22mm[2]/s. Actuation is supported by the pressure of the medium, which enables smaller coils to be used with lower power requirements to open the valve.

Applications for the VZWF valve include: filling systems (secondary circuit), water treatment, pipeline construction, steam boiler construction, liquid gas installations, hot water applications, heating circuits, power plant systems, petrochemical industry, pump systems, storage tank installations, and pneumatic automation systems.

The VZWF valve is one of a number of new Festo process offerings that also include ball, butterfly, and gate valves, and associated automated controls.
 

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