Common characteristics of hydraulic valves (1) Structurally, all valves are operated by the body, the valve core (seat valve or slide valve) and the driving valve core，Components, components (such as springs, electromagnets). (2) In the working principle, the opening size of all valves, the pressure difference between the inlet and outlet and the flow through the valve，the relationship between the flow rate is consistent with the orifice flow formula, but the control parameters of various valves are different. Supplies and services of Hydraulic Pump, Hydraulic Valve, Hydraulic Motor, Hydraulic components, Hydraulic parts with low price and good quality. NICKBALER is your one stop service center for your fluid power product requirements