... sy series hand moves to try to press the pump design choiceness, taking convenience, supporting in brief. ... use in heating, compressed air, refrigeration systems, oil inslallations, sprinkler systems and other small bore pipe applicationsSpecificationTesting range: ... no.Model no.DescriptionWeight 57020 DSY60ATesting pump,220V,50HZ18KG 57010 DSY60ATesting pump,110V,60HZ18KGAccessories Cat no.Model no ...