带动力辅助装置的安全阀是借助于一个动力辅助装置，在低于正常开启压力的情况下强制安全阀开启。这种安全阀适用于开启压力很接近于工作压力的场合，或需定期开启安全阀以进行检查或吹除粘着、***的介质的场合。同时，也提供了一种在紧急情况下强制开启安全阀的手段。
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