annular gear

annular gear

[′an·yə·lər ′gir]
(design engineering)
A gear having a cylindrical form.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
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Outstanding resistance to both wear and chemical attack are among the key features of the HNP 11558 micro annular gear pump, recently added to the established range of HNP MZR internal gear pumps.
SPECIALIST pump maker Michael Smith Engineers has developed a range of micro annular gear pumps for the pharmaceutical industry.
Company's line of high-pressure micro annular gear pumps is designed to offer greater flexibility and ease in equipment integration.
For applications requiring higher flow rates, higher pressures or aggressive dosing fluids, Bronkhorst employs HNP micro annular gear pumps, for flows up to 70kg/h, and Micropump liquid gear pumps, for flows up to 1000 kg/h, both series again offering high precision dosing and pulseless delivery.