API 610 - VS4 Pumps Vertically suspended, single-casing volute line-shaft driven sump pumps are referred to as VS 4 type pumps. Finder have been manufacturing VS4 pumps for decades with numerous units in operation around the world. Series 2 Finder Pompe HPV API 610 VS4 sump pumps for flows up to 1,200 m3/hr and TDHs of 150 m. Finder Pompe V-PEP API 610 VS4 single stage pumps for flows up to 35 m3/hr and TDHs of 210 m.
