Principle and Classification Purposes of Hydraulic Valves of Plate Bending Rolls

Opposite to diverter valve, the flow valve is to make the rate of flow into the flow valve proportionally assigned. Flow speed control valve can make the input and output differential pressure value of the throttle valve fixed when load pressure changes. Thus, when the orifice area is set, regardless of changes in load pressure, control valve can maintain constant flow through the throttle, so that the actuator’s movement speed keeps stability. Diverter flow valve has functions of flow valve and diverter valve.

Hydraulic valve of plate bending roll is an automation element operated by oil pressure of pressure regulating valve. It is usually used in combination with an electromagnetic pressure valve, and it can remote control the on-off of the oil, gas and water pipeline system in water and power station. Hydraulic valve can reduce and stabilize a branch of the oil pressure of system. It is often used to clamp, control, and lubricate the oil passage.
The flow control valve adjusts the rate of flow by the adjustment of the choke area between spool and valve body and its local resistance to control the movement speed. Flow control valve is divided into five kinds by usage. After adjusting orifice area, throttle valve can keep the movement speed of executive components whose load pressure is not large and movement uniformity is not high. Regardless of load size, the flow valve able to make the two executive components of the same oil source get the same ratio of flow is equivalent flow divider or simultaneous valve; the flow valve proportionally assigned is proportion flow divider.

Original article, reproduced please specify: Reproduced from Onejin Official Blog

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