All pumps are two speed operated,can reduce the handle effort.
P-84 and P-464 are equipped with four-way valve,they can be used to operate the double acting cylinders.
P-80 and P-462 are single acting hydraulic hand pump
The inside safety valve is equipped to protect the pump while over loading
The capacity of the tank is big enough to match a wide range of hydraulic tools
Two-speed design is for the application which requires fast reach and big oil flow.It is recommended to use
a two-speed pump when driving two or more hydraulic cylinders.