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RFRM6A36-3X/6QRV从而开通或切断通往执行元件的油路，使执行元件运行或停止。但在打开或切断油路的瞬间，系统中会产生相当大的冲击，这种冲击会极大影响液压系统中液压元件和密封件的使用寿命。为了减小及至消除由此引起的液压冲击，最简单的办法是在该电液阀下面叠加一个P口节流阀或进油节流式双单向节流阀、出油节流式双单向节流阀，以延长阀芯的换向及复位时间，从而到降低液压冲击的目的。下面就以弹簧复位型、三位四通中封式电液压换向阀为例、对该三种叠加节流方式作简要说明。VT-MSPA2-525-10/V0现货
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VT3002-2X/32D 现货
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