petrol, lube-oil, kerosene, diesel,edible oils and other oils, not for water or corrosive liquids.2:the oil input pipe may be made up of 2 or 3 pipes by changing its appearance and models to meet clients' needs3:rotary action ,cast-iron construction or all aluminum 4:the material of the vanes can be the casting iron, copper, teflon and rylonnote: the original material of the products is cast iron,and the pump body can be changed to alumium material ,according to the customer's need.5: we have :ws-19.ws-25,hs-25,ks-25,js-32,rp-24.rp-25 oriental and suzuki ��many kinds of models for you to choose...