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burkert 電磁閥00221605

6213EV系列常用的型號(hào)一般有這個(gè)型號(hào)， 
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The main features of BURKERT Bao 0124 type direct acting two position three way solenoid valve are that the outer leakage is blocked, the inner leakage is easy to control, and the use is safe. Internal and external leakage is the key factor endangering safety. Other automatic control valve usually extends the valve stem and controls the rotation or movement of the valve core by electric, pneumatic and hydraulic actuators. This should solve the long-term action of external dynamic seal valve stem leakage problem; only the electromagnetic solenoid valve is sealed with a magnetic force on the electric control valve separated from the magnetic core within the casing to complete there is no dynamic seal, so easy to block leakage. Electric valve torque control is not easy, easy to produce internal leakage, and even break the stem head; solenoid valve structure type easy to control leakage, until down to zero

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