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that, by deforming impeller vanes, draws the liquid into the pump housing and moves it to the discharge port with a constant flow rate. The flexibility of the vanes enables a tight seal to the internal housing, making the pump
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Particularly suitable for transfer of viscous, delicate, and slurry fluids even with high solid content. Widely used in the oenological field, food processing, chemical industry, cosmetic and marine field.
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161:: close coupled, bare shaft, with hydraulic motor, belt driven, gearmotor, mechanical speed variator, frequency converter,...
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Natural rubber (NR) - Excellent for water based liquid, highest mechanical resistance.
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149:(for example). In 1938, Arthur M. Briggs filed a patent for this type of pump.
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Neoprene (CR) - Good balance between chemical and mechanical resistance.
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Animated image showing the operation of a flexible–impeller pump
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167:: DIN 11851, Garolla, BSP, Macon, Triclover, SMS, BSM/RJT,...
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EPDM - Best for hot fluid, for acid and alkaline fluids.
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Nitrile (NBR) - Excellent resistance to oils and fats.
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220:Silicone (VMQ) - Best for very high temperature.
193:for marine applications, or other materials.
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106:Learn how and when to remove this message
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257:Elastomers, such as NBR, EPDM, or VITON
185:Pump housing can be made of high grade
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44:adding citations to reliable sources
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136:is a positive-displacement
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226:end face mechanical seal
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203:A flexible impeller
55:"Flexible impeller"
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147:reciprocating pump
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33:verification
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276:US 2189356
262:References
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181:Materials
159:Execution
96:June 2016
294:Category
243:Graphite
165:Fittings
233:Ceramic
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300:Pumps
153:Types
87:JSTOR
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172:Uses
138:pump
128:Pump
59:news
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