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hydraulic pump manufacturers_hydraulic pump parts_hydraulic pumps and motors suppliers in china   China hydrau...

  • Category: Auto Parts & Accessories
  • Published: 13/01/2016
  • Current Rating: /5 0 Vote


    hydraulic pump manufacturers_hydraulic pump parts_hydraulic pumps and motors suppliers in china   China hydraulic pump manufacturers, hydraulic pumps and motors, hydraulic pump parts, piston pump parts, hydraulic pump,  hydraulic spare parts, hydraulic piston pump, hydraulic vane pump, hydraulic gear pump, Hydraulic Motor,Pilot Pump, Charge Pump for Rexroth,Caterpillar,Vickers,Denison,Sauer,Kawasaki,Commercial,Linde,Parker,Liebherr,Komatsu,Eaton,Daikin,Kubota,Johndeer,Hitachi. T6C,T6D,T6E,45VQ,35VQ,25VQ,20VQ,V10,V20,Hydraulic Motor.   Our website:   Unload circuit flow sensing pressure unloading valve is pressed by a spring stretched to a large flow orientation (left position), regardless of the pressure to reach the book is still the flow will be uninstalled. Equipment idle or under normal operating speed can be the end of the high-pressure job. This feature cuts unnecessary traffic, it decreased the required power. Because this circuit has a wide load and speed changes planning, so often used to explore the devices.????With power inductive pressure sensor unload circuit, which consists of two slightly altered unloading pump pressure sensing structure, two pump driven by the same prime mover, each magnetic withstand another pilot control unload unloading pump signal. This call interactive sensor sensing method, which allows a group of pump operation under high pressure and high flow pump at another job. Two special pressure relief valve can adjust each circuit to make one or two pumps unloaded. This program reduced power demand, it can use a small-capacity inexpensive prime mover.It shows the load sensing unload circuit. When all the main control valve flow control valve (lower chamber) in the absence of load sensing signal, the pump through the valve 1, valve 2 rows back to the tank; when a load is applied to the control valve sensor signal, the pump to supply fluid circuit; When the output pressure of the pump pressure exceeds the load sensing valve booking value, the pump is supplied only to the circuit work flow, while the remaining savings flow through the valve orientation 2 (PC) bypass back to the tank. With a load sensor gear pumps and piston comparison with low cost, strong anti-pollution and protection advantages of low demand.????Priority flow control????Regardless of pump speed, pressure or flow operations branch needs size, value a flow control valve ensures total equipment required for the job flow. In this circuit shown in Figure 7, the pump output flow is necessary once the oil is greater than or equal to the required flow, the secondary flow can make it with or back to the tank. SETTINGS primary flow valve (proportional valve) to control the pump once combined, eliminating the need for external piping and to eliminate the leak, it decreased costs. A typical use of such gear pump circuit is steering the organization often can be seen on the truck crane, which eliminates the need for a pump.????Load-sensing flow control valve function and a flow control setpoint function very near: that regardless of the speed of the pump, operating pressure or pumping required bypass flow size, are supplied to the primary traffic. But plans shown only once after a port to supply the required flow passage until its maximum adjustment value. This loop can be replaced by a standardized flow control circuit and to achieve maximum output flow. In the absence of load circuit pressure is lower than a given value traffic control plan, so the low temperature loop, a small no-load power consumption. Load-sensing flow control valve than the column with the same primary flow control valve, which is typically used in power steering organization.????Bypass flow control????About bypass flow control, regardless of the speed bump or job pressure pump, pump the maximum total by reservation for the fluid to the system, the remaining import some drain back tank or pump. This plan constrains the flow system, it has the best function. The advantage is that, after planning to control the maximum adjustment loop flow, reduce costs; the pump and valve in one, and through the pump bypass control, so that the circuit pressure to a minimum, to cut the pipe from the surface and leak.????Bypass flow control valve can be used with restraint job flow (operating speed) planning the mission type load sensing control valve design together. Such type of gear pump circuits, commonly used in hydraulic constraints operate to achieve the best speed of the engine waste trucks or power steering pump circuit, it can also be used stationary machinery.????Dry suction valve????Dry suction gas control valve is a hydraulic valve Zan, which is used to pump oil into savings, when the hydraulic equipment load, only the minimum flow through the pump; in the load, the full flow suction pump. As shown in Figure 10, this circuit can be omitted clutch between the pump and prime mover, then dropped the cost, no-load power consumption is also reduced, because

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