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A gear pump is a type of positive displacement (PD) pump. It moves a fluid by repeatedly enclosing a fixed volume using interlocking cogs or gears, transferring it mechanically using a cyclic pumping action.

Technical Data & Characteristics:
• Delivery rate:  0.4 to 72 m³/h  (1.8 to 317 gpm)
• Delivery head:  5 to 45 m   (16.4 to 148 ft)
• Pressure:  up to 10 bar  (145 psi)
• Viscosity:  up to 5,000 mPas
• Temperature:  -20 °C up to +200 °C  (-680 °F up to +6760 °F)
• pH-value:  0 – 14
• Solids:  max.  1 % (max. 6 mm)
• Installation:  horizontal
• self-priming possible
• sealless
• ATEX (Ex Zone 1 & 2)
• Drives:  electro,  hydraulic

Advantages of gear pumps

1. Simple and compact structure, small volume, light weight, small space occupied.
2. good workmanship, easy to manufacture, inexpensive.
3. strong self-absorption, insensitive to fluid contamination, suitable for conveying high viscosity fluids.
4. large speed range, shock load resistance.
5. reliable operation, low maintenance costs.

Application Areas

The individual media that can be conveyed with gear pumps include, among others:

• Chemical industry: alcohols, additives, bitumen, tars, wax, acids and bases, esters, glycerin, resins, isocyanate, adhesives, monomers, oils, and phenols
• Polymer manufacturing and processing: PET, PBT, PS, ABS, PVC, PE, PEEK, cellulose, nylon, and other polymers
• Food / feed processing: plant oils, butter and margarine, flavorings, chocolate, licorice, chewing gum mass, syrup, honey, gelatins, mustard and ketchup, sugar solutions, enzymes
• Pharmacy: amino acids, lotion, shampoo, vitamins

Keywords：Flexible pump | Rotary pump series | Magnetic pump | Screw pump | Gear pump