The complete pump is made of stainless steel with smooth surface on all product-contact parts. The pump range is approved for EHEDG, 3-A and a variety of other certificates or validation documents are available for the most demanding needs. With less agitation and shear TopWing can handle delicate liquids containing both soft and hard particles without product degradation. TopWing is the most modern and strongest rotary lobe pump in the market today without compromising hygiene.