A complete hydraulic system is composed of five parts, i.e., power supply, drives the operating element, the auxiliary element and hydraulic oil. The role of the power apparatus, the pressure of the fluid through the pump in the hydraulic system to convert the mechanical energy of the engine, it provides power to the entire hydraulic system. The structure of the hydraulic pump, generally in the form of gear pumps, vane pumps and piston pumps. The fluid pressure actuator (such as hydraulic cylinders and hydraulic motors, etc.) is converted into mechanical energy of rotation or linear reciprocating motion to drive the load. In the hydraulic system of control (i.e., the various hydraulic valves for the control and regulation of the pressure fluid flow rate and direction).sae hydraulic
fittings
According to the different control functions can be divided into the pressure in the hydraulic valve control valves, flow control valves and directional control valves. Pressure relief valve (safety valve), pressure reducing valves, sequence valves, pressure switches, such as division, flow control valves, throttle valves, control valves, diverter valve, way valve, check valve, pilot check valve, shuttle valve, valves, pressure control valves. Depending on the mode can be divided into variable speed control valve of the hydraulic valve settings control valves and proportional control valve. Other components include a fuel tank, oil filter, hose and fittings, gaskets, pressure gauge, oil level, oil temperature gauge. Oil hydraulic the hop oil pressure in the hydraulic system of the working medium, mineral oil, emulsion, a plurality of energy transfer by different categories.high
pressure hydraulic fittings
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