Our most flexible line of external gear pumps, the ZPD has been used in countless applications the world over. The basis of its success stems from a platform of customisation that rivals even the most competent competitors. Available in cast iron and stainless steel bodies, the ZPD flaunts 43 displacement sizes, 5 shaft seal options and multiple bearing and wear plate choices. ZPD gear pumps are specifically used for wide flow range metering applications and transfer applications. Volumetric efficiency values of over 90 % are typically achieved.