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ZPDA External gear dosing pumps

ZPDA External gear dosing pumps
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ZPDA External gear dosing pumps

Product catalog summary
Function of the External Gear Dosing Pump ZPDA
The ZPDA external gear dosing pumps are utilized across various industries including chemicals, pharmaceuticals, and food. They consist of components such as a front plate, center plate, rear plate, gear pair, pump shaft, and drive shaft, with features for pressure relief and flow measurement. The pumps achieve over 90% volumetric efficiency due to precise internal sealing.
Design and Construction
The pump's design emphasizes high precision and efficiency, incorporating a center plate, front plate, pump shaft, drive shaft, sleeve bearings, and gears. It ensures low-pulsation feed-in for accurate dosing.
Versions and Shaft Seals
Multiple shaft sealing systems are available, including triple radial shaft seals, mechanical seals, and gland packing. Special designs cater to specific applications with varied material combinations and coatings.
Assembling and Installation Options
Options include pumps with bare shafts, foot brackets, and magnetic couplings. Complete units with motors can be requested.
Applications and Fluids
Suitable for industries like automotive and electronics, the pumps offer low-pulsation dosing, quick pressure build-up, and easy shaft seal installation.
Operating Conditions
The pumps handle displacements from 0.1 to 26.0 cc/rev, viscosities from 1 to 1,000,000 mPa·s, and temperatures from -30°C to +150°C. They are designed for clockwise rotation with specific suction and pressure port sizes.
Special Features
The ZPDA pumps accommodate both low and high viscosity fluids, with options for direct mounting of flow meters and pressure sensors. Special coatings enhance service life and adaptability.
Specifications
ZPDA 1 and ZPDA 2 are external gear pumps with straight teeth. ZPDA 1 has a displacement of 6.0 cm³/U with 1/2" connections, while ZPDA 2 ranges from 6.0 to 26.0 cm³/U with 3/4" suction and 1/2" discharge connections.
Operating Conditions
Speed ranges from 1 to 200 min-1, and viscosity ranges from 1 to 1,000,000 mPa·s. Ambient temperature is between -30°C and +60°C, and medium temperature ranges from -20°C to +150°C. Operating pressures and speed ranges depend on the medium's viscosity and lubricity.
Performance and Efficiency
Efficiency is calculated based on delivery pressure, considering hydraulic, volumetric, and mechanical efficiencies. Power and torque are determined using specific formulas.
Material and Design
The pumps are constructed from ferritic stainless steel (1.4112) with seal options like PTFE and FKM. Versions are available for specific needs, such as triple shaft seals and magnetic couplings.
Recommendations
Higher viscosities necessitate safety margins for motor power calculations. Speed recommendations vary with fillers and viscosity levels.
Technical Notes
Conversions and physical values for pressure, flow, and torque are provided, highlighting the importance of accounting for viscosity changes with temperature variations.
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Catalog excerpts

ZPDA External gear dosing pumps-1

ZPDA Außenzahnrad-Dosierpumpen | External gear dosing pumps

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ZPDA External gear dosing pumps-2

CONTENT 3 Funktion der AuBenzahnrad-Dosierpumpe ZPDA 7 Einbauvarianten inkl. Motor Function of the external gear dosing pump ZPDA Design Versions Accessories and assembling options Installation options incl. motor Operating conditions Operating pressures and speed ranges Calculation basis Viscosity factors Type code Performance data and characteristic curves Dimensions Type 0 + Type 1 3F-SP EE Dimensions 1 GL-SP EE Dimensions Type 1 STZ-SP EE Dimensions Type 2 3F-SP EE Dimensions Type 2 GL-SP EE Dimensions Type 2 STZ-SP EE Mit der Herausgabe dieses Kataloges erloschen samtliche Anga-ben aus fruheren...

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ZPDA External gear dosing pumps-3

FUNKTION DER AUSSENZAHNRADDOSIERPUMPE ZPDA FUNCTION OF THE EXTERNAL GEAR DOSING PUMP ZPDA Beinlich Zahnrad-Dosierpumpen kommen weltweit in verfahrenstechnischen Anlagen der Chemie-, Kunststoff-, Pharma-, Farb-, Lack- und Lebensmittelindustrie sowie in den Bereichen Ölhydraulik, 2- und Mehrkomponentenmaschinen, aber auch im Schiff- und Flugzeugbau zum Einsatz. Beinlich external gear dosing pumps are applied worldwide in process plants of the chemicals, plastics, pharmaceuticals, dyes, paints and food industries as well as in the areas of oil hydraulics, two- and multicomponent machines, but also...

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ZPDA External gear dosing pumps-4

4 Abdichtung (konnen unterschiedlich sein) 6 Seal supporting coller

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ZPDA External gear dosing pumps-5

WELLENABDICHTUNG Die Auswahl der Wellenabdichtung erfolgt anwendungsbezogen und ist abhängig von den jeweiligen technischen Anforderungen an Fluid- und Temperaturbeständigkeit, Eingangsdruck und anderen Faktoren. Es stehen folgende Varianten zur Verfügung: 3-fach Radialwellendichtring mit Sperrkammer Gleitringdichtung mit Sperrkammer Stopfbuchsenpackung mit Sperrkammer Spalttopf über Magnetkupplung SHAFT SEAL The basic selection on the applicable shaft sealing system is based and depends on the respective technical requirements concerning fluid and temperature consistence, inlet pressure and...

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ACCESSORIES AND ASSEMBLING OPTIONS ANBAUVARIANTEN ASSEMBLING OPTIONS F– F– Pumpe mit freiem Wellenende inkl. Befestigungsschrauben zur Blockmontage Pump with bare shaft incl. mounting screws for block assembly Pumpe mit Winkelfuß inkl. Befestigungsschrauben zur Blockmontage Pump with foot bracket incl. mounting screws for block assembly F – Pumpe mit freiem Wellenende inkl. Anschlussplatte oder Anschlussblock zum Anbau eines Volumensensors F – Pump with bare shaft incl. connection plate or connection block for attaching a flow meter Pumpen mit Winkelfuß inkl. Anschlussplatte oder Anschlussblock...

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EINBAUVARIANTEN INKL. MOTOR INSTALLATION OPTIONS INCL. MOTOR FCV-K – Pumpe mit Pumpenträger, Kupplung und Anschlussplatte oder Anschlussblock zum Anbau eines Volumensensors FCV-K – Pump with bell housing, coupling and connection plate or connection block for attaching a flow meter FCB-K – Pumpe mit Pumpenträger, Kupplung und Pumpenfuß inkl. Anschlussplatte oder Anschlussblock zum Anbau eines Volumensensors FCB-K – Pump with bell housing, coupling, and pump base incl. connection plate or connection block for attaching a flow meter FCV – Pumpe mit Getriebemotor horizontaler Einbau oder Anschlussblock...

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ZPDA External gear dosing pumps-8

PUMPEN FÜR DIE DOSIERTECHNIK 1K-/2K- oder Mehrkomponenten-Dosieranlagen für Elastomere, Harze oder Polyurethane, z.B. zum Verkleben/Verfugen von Baugruppen und Karosserieteilen in der Automobilindustrie PUMPS FOR DOSING SYSTEMS 1-, 2- or multi-component metering systems for elastomers, resins or polyurethane, e.g. for bonding/ joining components and car body parts in the automotive industry Farb- und Lackdosierung, z.B. für die Farbversorgung Ink and paint metering, e.g. for ink supply Hochgenaues Zuführen von Farbpigmenten in Polyurethane, z.B. bei der Schuhherstellung High-precision supply...

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BESONDERHEITEN DER ZPDA PUMPE Durch die Verwendung unterschiedlicher Spielklassen ist ein und derselbe Pumpentyp sowohl für niedrig- als auch für hochviskose Medien einsetzbar. SPECIAL FEATURES OF THE ZPDA PUMP By the use of different tolerance classes, the very same pump type can be applied for low as well as high viscosity fluids. Volumenzähler von VSE GmbH, Anschlussblöcke sowie Drucksensoren sind direkt an die Pumpe montierbar. Flow meters from VSE GmbH, connection blocks and pressure sensors can be mounted directly on the pump. Je nach Anforderung sorgen spezielle Hartstoffbeschichtungen...

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BETRIEBSKENNGROSSENOPERATING CONDITIONS FORDERVOLUMEN CM3/U DISPLACEMENTS CC/REV SUCTION/PRESSURE PORTS ZPDA 1: Aubenverzahnt, gerade ZPDA 2: Aubenverzahnt; gerade ZPDA 1: External spur gears ZPDA 2: External spur gears (Anwendung, Druck und Viskositatsbereiche erfragen) (Refer to manufacturer for application, pressure, and viscosity ranges) (Anwendung, Druck und Drehzahlen erfragen) (Refer to manufacturer for application, pressure, and speed ranges) (Bei abweichenden Temperaturen bedarf es der Ruck-sprache mit Beinlich. Fur diese Anwendungen stehen Sonderausfuhrungen zur Verfugung.) AMBIENT...

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betriebsdrucke und drehzahlbereiche operating pressures and speed ranges tolerance classes Drehzahlen und Betriebsdruck sind immer in Abhangigkeit von Viskositat und Schmierfahigkeit des Fordermediums zu beurteilen. Speeds and operating pressures should always be taken in consideration depending on the viscosity and lubricity of the medium being transfe

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BERECHNUNGSGRUNDLAGEN CALCULATION BASIS VERWENDETE FORMELZEICHEN Perf = Erforderliche Pumpenantriebsleistung [kW] Ap = Differenzdruck [bar] Qtheor = Theoretische Fordermenge [l/min] Qeff = Effektiver Forderstrom [l/min] Vu = Theoretisches Volumen je Umdrehung [cm3] 1.000 = Umrechnungskonstante fur Fordermenge H = Dynamische Viskositat [mPa-s] Hvol = Volumetrischer Wirkungsgrad Hmech = Mechanischer Wirkungsgrad Merf = Erforderliches Antriebsmoment [Nm] FORMULA SYMBOLS Perf = Required power consumption [kW] Ap = Pressure difference [bar] p = Working pressure [bar] p1 = Inlet pressure [bar] 600...

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*Prices are pre-tax. They exclude delivery charges and customs duties and do not include additional charges for installation or activation options. Prices are indicative only and may vary by country, with changes to the cost of raw materials and exchange rates.
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