Forerunner 2 3 sheet electronic-controlled, double electronic-controlled series of P411EI-WFM80200 of electromagnetism a powerful person (norms: 6, 12mm) ; 2 5 sheet electronic-controlled, double electronic-controlled series of P413EI-WFM2630 of electromagnetism a powerful person (norms: 6, 12mm) .
Parameter of the technology when choosing asks detailed to see red east factory of electromagnetism a powerful person trade catalogue.
Pneumatic relay
Pneumatic relay is amplifier of a kind of power, it can send further place baric signal, eliminate the lag that brings as a result of place of signal cop lengthen, basically use at the spot to change send implement the adjustment with central control room between appearance, or between adjuster and spot control valve, still having a kind of effect is enlarge or contractible signal.
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