New VZWF valves for use in closed media circuits by FESTOThe valve VZWF is one of a number of new Festo process solutions that now gives customers a one-stop-shop for Festo high productivity and quality automated systems. Festoos process offerings also include ball, butterfly, and gate valves, and associated automated controls.
Festo introduced the VZWF valve, a force pilot operated solenoid valve that can be used with water, air, and neutral media. This new valves utilize relatively small solenoids to control high pressures with large nominal diameters. The units can switch at pressures as low as 0 bar and close automatically in the case of a pressure loss in the circuit. These valves can be applied in closed media circuits.
The VZWF series is generally suitable for applications in which the medium can be vented downstream of the valve into the atmosphere or a tank. The VZWP is used for gaseous and liquid material flows up to a viscosity of maximum 22 mm2/s. Actuation is supported by the pressure of the medium, a special feature of the VZWF. Smaller coils can be used because of lower power requirements to open the valve the energy of the medium contributes to opening.
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.
Gas and liquid valve solutions expand Festos process offering that already include lines of ball, butterfly, and gate gas only valves and automated controls, said Craig Correia, process industry segment manager, Festo. Process valves provide OEMs and end users the convenience, quality, and dependability of a one-stop-shop for both discrete and process automation solutions from Festo. And Festo offers a host of online productivity tools that speed up time to market.
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