Logic valve selection tips: 1, the selection of logic valves, the system should be based on the required flow, greater than or equal to 200l / min use two-way cartridge valve, less than 20l / min then use threaded cartridge logic valve. Cartridge assembly cartridge with tail and without tail form, with the tail of the buffer and throttle and so on. There are a variety of valve core area ratio to choose from, the spring also has a variety of stiffness to choose from, in order to achieve a variety of opening pressure. 2, some domestic plug-in components in the spool and the valve sleeve with O-ring, so to ensure that the seal, but the reaction is slow. Damping holes in the control cover and the spool have a variety of diameters, large damping reaction hole reaction speed, but the impact of a large, small damping holes on the contrary. If the logic valve action will have an impact on the system's function, the choice of the diameter of the orifice should be particularly careful. There are many types of control covers and should be carefully selected according to the system. 3, the design of the valve block should be drawn on the positioning of the hole, and marked the code for each port for assembly and maintenance. Should be based on system flow and pressure and flow - pressure curve selection, too small will often result in system pressure loss is too large, the system fever, if the selection is too large, it will make the system huge, resulting in economic waste. 4, there are two kinds of logic valve sealing material optional, fluorine rubber seal suitable for phosphate media, nitrile rubber seal suitable for mineral oil media. 5, the logic valve due to its high pressure and high flow characteristics of the valve is particularly suitable for rapid hydraulic drive, both at home and abroad have sophisticated logic valve products, rapid application of hydraulic actuators in the valve is promising. More Keyword Search: Logic Valve
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