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Pilot valve can adjust lift and close pressure solely out if main valve.
导阀可在主阀以外单独调定开启压力和关闭压力。
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Regulating pilot valve outlet pressure spring can be set.
调节导阀弹簧即可设定出口压力。
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Regulating pilot valve outlet pressure spring can be set.
调节导阀弹簧即可设定出口压力。
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