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Pinch Valve in Vacuum Applications

Pinch Valve in Vacuum Applications

Product catalog summary
Overview: The document discusses the AKOVAC pinch valve system designed for vacuum applications. It highlights the impact of vacuum on the valve sleeve and introduces two models: AKOVAC Comfort and AKOVAC Basic, each with different control capabilities.
Specifications: The AKOVAC system is designed to handle vacuum pressures greater than -0.1 bar, which can deform the valve sleeve, affecting flow rate and sleeve lifespan. The system can operate with vacuum levels up to -0.8 bar in the pipeline.
AKOVAC Comfort Model: This model allows separate adjustment of control pressures for closing the valve and regulating vacuum levels. The control pressure for closing the valve is adjusted via a pressure regulator, while the vacuum level is controlled by a filter regulator. The closing pressure cannot exceed the vacuum control pressure.
AKOVAC Basic Model: This model uses a single control pressure to manage both the valve closing and vacuum level, offering less flexibility compared to the Comfort model.
Components: The system consists of a solenoid valve, vacuum pump, filter regulator, pressure regulator, pressure supply gauge, pressure closure gauge, vacuum gauge, and a mounting bracket.
Recommendations: For optimal performance, the AKOVAC Comfort model is recommended for applications requiring precise control of vacuum and closing pressures. The Basic model is suitable for simpler applications where a single control pressure suffices.
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Catalog excerpts

Pinch Valve in Vacuum Applications-1

Quetschventile im Vakuumeinsatz Typ AKOVAC Pinch Valve vacuum application unit type AKOVAC Wird ein pneumatisches Quetschventil von AKO mediumsseitig (in der Rohrleitung) mit einem Vakuum >-0,1bar beansprucht, zieht sich die AKO Quetschventilmanschette durch das Vakuum zusammen. Dies wirkt sich nachteilig auf den Produktdurchfluss und die Lebensdauer der AKO Quetschventilmanschette aus. If an AKO air pinch valve is put under pressure by vacuum > -0.1bar in terms of the medium used (in the pipeline), the valve's sleeve will be deformed by the vacuum. This will have a negative effect on the product's flow rate and the life of the AKO pinch valve sleeve. Mit Hilfe der AKOVAC Steuereinheit wird die Quetschventilmanschette geöffnet bzw. offen gehalten. Ein Vakuumbetrieb mediumsseitig in der Förderleitung (Rohrleitung) ist bis zu –0,8bar möglich. The pinch valve sleeve can be opened or kept open by means of the AKOVAC's control unit. A vacuum mode of up to -0.8bar can be generated in the feed pipe (pipeline) in terms of the medium. Die Version AKOVAC Komfort 6 ermöglicht eine gezielte Einstellung der Drücke an der Steuereinheit separat für den Steuerdruck zum Schließen des Quetschventils (Drehen am Druckregler (4), Druckkontrolle über Manometer (6)) und für den Steuerdruck, welcher das Vakuumlevel/ Niveau reguliert (Drehen am Filterregler (3), Vakuumkontrolle über Manometer (7)). Hiermit können die bei einem Vakuumeinsatz geringen notwendigen Steuerdrücke (1-2bar) für das Schließen des Quetschventils und die ggf. etwas höheren Steuerdrücke für das ideale Vakuumlevel/ Niveau zum Kompensieren des mediumsseitigen Vakuum separat voneinander eingestellt werden. The AKOVAC Comfort model allows for the specific setting of separate pressures on the control unit for the control pressure for closing the pinch valve (by turning the pressure regulator (4), pressure monitoring by the manometer of the pressure regulator (6)) and the control pressure which regulates the level of vacuum (by turning the filter regulator (3), vacuum monitoring by the manometer (7)). Therefore, the lower operating pressures required for use with vacuum (1-2 bar) for closing the pinch valve, and, if applicable, the slightly higher operating pressures used to achieve the ideal level of vacuum to compensate for the medium's vacuum can be adjusted separately to one another. → Der Steuerdruck zum Schließen des Quetschventils, welcher am Druckregler (4) eingestellt wird, kann nicht höher liegen als der Steuerdruck, welcher am Filterregler (3) für das Vakuumlevel/Niveau eingestellt wird. → The control pressure to close the pinch valve which get adjusted by the pressure regulator (4) can not be higher then the control pressure which get adjusted by the filterregulator (3) for the vacuum level. Bestehend aus: • Magnetventil (1) • Vakuumpumpe (2) • Filterregler (3) • Druckregler (4) Consisting of: • Solenoid Valve (1) • Vacuum pump (2) • Filter regulator (3) • Pressure regulator (4) Manometer Versorgungsdruck (5) Manometer Schließdruck (6) Manometer Vakuumniveau (7) Montagewinkel (8) Pressure supply gauge (5) Pressure closure gauge (6) Vacuum gauge (7) Mounting bracket (8) Die Version AKOVAC Basic lässt nur einen Steuerdruck zu, welcher somit den Steuerdruck zum Schließen des pneumatischen Quetschventils und gleichzeitig das Vakuumlevel/ Niveau reguliert. The AKOVAC Basic model only allows a control pressure which regulates that needed for closing the air pinch valve and at the same time the level of vacuum. Technische Änderungen vorbehalten. Technical details subject to change without notice. AKO Armaturen & Separationstechnik GmbH D-65468 Trebur-Astheim ▪ Adam-Opel-Str. 5 ▪ Telefon/Phone: +49 (0) 61 47-9159-0 ▪ Fax: +49 (0) 61 47-9159-59 E-Mail: [email protected] ▪ Internet: www.ako-armaturen.de / www.pinch-valve.com Datenblatt / data sheet DB_ZUB_AKOVAC_DE+EN_2015-02-16

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