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Assembled by regulation valve parts and electric actuator of the product into the electronic type electric actuator type (DZ type), electric type (DP type), DZ type instrument or computer directly receives the control signal, DP type and supporting the use of servo amplifier, can realize automatic adjustment function, valve parts with large flow capacity, small pressure drop loss, open flexible and compact structure, the products can be widely used in metallurgy, electric power, chemical and other industrial sectors as fluid pressure, flow rate, bleeding etc..
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