... corrosive 2,other liquid used in hydraulic rotation system. 3,automatic reach. 4, output flow pulsation small volume, In the ... can be used for transmission, booster pump;In the fuel oil system can be used as ... a transport, pressure, jet fuel,In the hydraulic drive system can be used to ... of hydraulic pump;In all industrial fields, all can be lubricating oil pump; 2 the cy series gear pump