8D117W75PN

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8D117W75PN is an electro-hydraulic proportional valve, characterized by its ability to accurately control fluid flow rate by varying its internal flow passage area. This type of valve is widely used in air, water and fuel flow control applications, where a precise amount of flow rate must be maintained. The working principle of 8D117W75PN involves the application of electrical signals to two coil windings which generate a magnetic field. This magnetic field is used to open and close the valve, thus controlling the flow rate.The 8D117W75PN is a 3-way, 2-position, 4-wire valve, meaning that it has three ports but is limited to two positions. This type of valve can be used to operate both single- and double-acting cylinders, where a single-acting cylinder is one which can only move in one direction (in or out) and a double-acting cylinder is one which can move in both directions.The 8D117W75PN has two control inputs, 0-10VDC current and 4-20mA current, which can be used to control either the opening or closing of the valve. The 0-10VDC current is used to control the valve to a fixed position, whereas the 4-20mA current is used to control the proportional response of the valve - i.e. the amount of valve opening/closing per unit of current.The 8D117W75PN valve operates on the principle of proportional control, meaning that the valve can be opened and closed incrementally in response to an input signal. This allows for fine control of the opening and closing of the valve, which is ideal for situations where precise control of flow rate or pressure is required.In terms of application fields, the 8D117W75PN is suitable for use in many different industries and applications, including chemical, medical, industrial, military, oil and gas and automotive industries. It is also used in numerous medical applications, such as oxygen and anesthesia control, where precise control of flow rates is essential. It can also be used in conjunction with analytical instruments, such as needle valves, to provide precise control of flow rates into and out of the instrument.Overall, the 8D117W75PN is a highly accurate and versatile valve which can be used in a range of different industries and applications. Its proportional control mode allows for precise control of flow rate or pressure, making it perfect for situations where high levels of accuracy are required.

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