QQ:736567721
力士乐比例阀R900925687 4WRAE10W1-30-22/G24N9K31/F1V 现货特价2台 功用：正向流通，反向受控流通
结构：普通单向阀+液控装置
K不通压力油，A → B
工作原理〈
K通压力油，A → B
结构特点：B→ A，∵ PB=P工，很高
∴ 弹簧腔背压很大，pk很大时才能顶开阀心,影响可靠性。
故 可采用如下措施
1) 采用先导阀预先卸压
2） 采用外泄口回油降低背压
应用：∵ 液控单向阀具有良好的反密封性
∴ 常用于保压、锁紧和平衡回路
DBETBEX-1X/315G24K31F1M 现货特价1台
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