021 0905 DT0 Double acting air operated industrial pump for oil and chemical products ratio 5:1 Delivery capacity 45 l min Mod. 905D break subgroup complete sets dispensers and manual pumps where dispensers and manual pumps where a major quantity of grease with slow pressure and short distance is required it allows to collect all the product from the inner walls down to the bottom of the drum These pumps are advised for the transfer of oil and industrial fluids for medium long distances The delivery capacity of a pump varies according to particular applications and combinations