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Release device for a quick opening valve of a fire extinguishing system
Release device for a quick opening valve of a fire extinguishing system
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机译:用于灭火系统的快开阀的释放装置
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摘要
The fire extinguishing system valve triggering device has an electromagnetic delay device (22) containing a motor in the form of a stepper motor (23) supplied with pules by a stepper motor controller (25), whereby the pule/pause ratio or the frequency of the pulses can be varied to determine the delay time.
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