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mzr-7209X2 Ex

Product catalog summary

Description: The mzr-7209X2 Ex micro annular gear pump is designed for precise, low pulsation dosing of small volumes, suitable for non-lubricating liquids and high-pressure applications. It features a compact design, broad viscosity range, and small dimensions, making it ideal for chemical and process technology applications. The pump supports continuous delivery and discrete dosage of various liquids, including watery solutions, solvents, and oils.

Advantages: The pump is ATEX certified, conforming to EU Directive 2014/34/EU, and features a precision motor with an integrated microcontroller. It offers high dosage precision with a coefficient of variation (CV) of less than 1% at low volumes. The compact design includes a length of less than 368 mm with the Ex-motor. It supports a broad viscosity range and provides low pulsation delivery with low shear stress due to its rotary micro annular gear technology. The pump is built for long service life with wear-resistant tungsten carbide.

Technical Data: The pump has a flow rate of 0.048 - 192 ml/min, with the smallest dosage volume being 30 µl and a displacement volume of 48 µl. It operates within a differential pressure range of 0 – 30 bar and a maximum inlet pressure of 5 bar, extendable to 10 bar with optional modules. The ambient temperature range is 0 to +40 °C, and the liquid temperature range is -5 to +40 °C, extendable to -20 to +150 °C with optional modules. The viscosity range is 0.3 - 5,000 mPas. It is certified for Ex-area zones 1 and 2.

Wetted Parts: The pump's wetted parts include stainless steel 316L, Ni-based tungsten carbide, with a shaft seal made of graphite-reinforced PTFE and static seals available in FPM, EPDM, or FFPM.

Motor: The pump uses a BLDC motor with an integrated motion controller, operating at 24 V DC, 2 A, and 53 W, with analog hall sensors providing 3000 pulses per revolution. The velocity range is 1 - 4,000 rpm, and the cable length is 10 m. The pump weighs approximately 3,200 g.

Remarks: Optional modules such as a fluidic seal module, double shell heating module, and heat insulation module are available. Customized solutions can be requested. Performance may vary, and specifications are subject to change without notice.

Accessories: Available accessories include a terminal box S-G05, mzr-Touch Control, a plastic reservoir, a heat insulation module, and a double shell heating module.

Patents and Trademarks: The product is protected by several national and international patents. HNPM®, mzr®, and other related trademarks are registered trademarks of HNP Mikrosysteme GmbH.

Contact: For more information, contact HNP Mikrosysteme GmbH at Bleicherufer 25, 19053 Schwerin, Germany. Phone: +49 385 52190-300, Fax: +49 385 52190-333, Email: [email protected].

Catalog excerpts

The micro annular gear pump mzr-7209X2 Ex cover the flow range 0.048 - 192 ml/min. The highly precise, low pulsation small volume dosage even of non-lubricating liquids or at high pressure, the compact design of the Expumps, the broad viscosity range and the small dimensions are unique features of this pump series. The pumps are applied in the field of chemical and process technology and are suitable for both continuous delivery and discrete dosage of watery solutions, solvents, oil and other viscous liquids. Accessories extending the operating parameters of the device are available. ■ Ex-certification ATEX conform with EU Directive 2014/34/EU ■ Precision motor and sophisticated control ATEX DC-servomotor with integrated microcontroller ■ High dosage precision precision CV < 1 % at low volumes ■ Compact dimensions length < 368 mm, including Ex-motor ■ Broad viscosity range methanol, solvents, adhesives, grease, gel ■ Low pulsation delivery, low shear stress rotary micro annular gear technology ■ Long service life wear-resistant tungsten carbide

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