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目前显示的是标签为“Positive displacement pump”的博文

Difference Between Rotary Lobe Pump and Gear Pump | Bonvepumps.com

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  Gear pump is a positive  displacement pump , which has a pair of meshing gears. One driving gear is driven to rotate by the motor, and the other driven gear is meshed with the driving gear to rotate. When the two gears are gradually separated, a partial vacuum will be formed. The liquid is inhaled through the suction pipe under the action of atmospheric pressure, and the inhaled liquid is squeezed and pushed out by the gear along the inner wall of the pump, which features small handling and high lift. Gear pumps use conveying media as the lubricating medium in rotation, and are generally used in oily media, otherwise they will cause great wear and reduce the service life to a large extent. Rotar y lobe pump  consists of two lobe rotors, which rotate synchronously driven by a pair of synchronous gears in the gearbox. The rotors are driven by the main shaft and sub-shaft to rotate in a synchronous reverse direction, which changes the pump capacity, builds up high vacuum a...

Hot sell: Hand Sanitizer transfer pump | Bonvepumps.com

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To battle against the Covid19, Hand Sanitizer demand is sharply increasing. Bonve support to offer it  Sanitary lobe pumps   which are used in the production of Hand Sanitizer. Hand sanitizer is the product of a mixture of anhydrous alcohol, derived from sugar and alcohol plants, polymer carbon, glycerin and vitamin E. All these fluids are added to a reactor tank and mixed until they form the alcohol in gel in the form we find in the markets. To transfer the gel from the reactor tank, where the mixture was made, to a storage tank and also from the storage tank to the filing machine, it is necessary to use a  Positive displacement pump . Positive displacement pump can only be performed well at this stage due to high viscosity which ranges from 65,000 to 110,000 cP. Bonve  stainless steel lobe pumps   are ideally suited to the transfer of Hand Sanitizer due to sanitary structure and low shear flow characteristics. The pump also allows to work with #ATEX c...