腾讯彩票2串1什么意思

Top Valve Controller

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ALSD-300 series top valve controller integrates multiple functions of control and feedback switch type valve in accordance with low power. It not only meets the electrical connection requirement of rotary type control valve system, ventilation control and concise and safe site requirement, which has raised the coil’s protective level and extended the service life.


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ALSD-400 series high-grade explosion-proof top valve controller integrates control, valve position feedback, integral explosion-proof technologies and achieves integral explosion-proof of solenoid valve coil and limit switch box, with explosion-proof grade up to Exd II CT6, greatly reducing the high cost of explosion-proof product and sharpening the competitive edge of the product.Explosion-proof grade: Exd II CT6    Certificate No.: GYB111756


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ALSD-500 series explosion-proof top valve controller provides a relatively economic product for integration of general explosion-proof limit switch box and solenoid valve. The product is concise and smart, with explosion-proof grade up to Exd II BT6. It has realized integral low-cost explosion proof of solenoid valve coil and limit switch box.

Explosion-proof grade: Exd II BT6    Certificate No.: GYB111757


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The bus module provides reverse position signal and communicates with AS-i and DeviceNetTM system.It is a dual inductive sensor and can drive coil for detecting and controlling the valve position.When it detects the valve open/close position, it can connect to the system rapidly for monitoring the open circuit and short circuit of coil. The indicating lamp will display switch current state,coil state and fault indication. 


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Three-position control has wide application in valve position control of 90°or 180°three-way ball valve or plug valve. ALSD series three-position valve controller is mounted on 90°or 180°pneumatic actuator. Through the zero, neutral and close positions which can be adjusted, controlled and stopped, it provides a solution to control three positions easily and has also function of delay and resistance to water hammer.


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腾讯彩票2串1什么意思