比例控制阀可分为压力控制阀，流量控制及方向控制阀三类。

压力控制阀：用比例电磁阀取代引导式溢流阀的手调装置便成为引导式比例溢流阀，其输出的液压压力由输入信号连续或按比例控制。

流量控制阀：用比例电磁阀取代节流阀或调速阀的手调装置而以输入信号控制节流阀或调速阀之节流口开度，可连续或按比例地控制其输出流量。故节流口的开度便可由输入信号的电压大小决定。

方向控制阀：比例电磁阀取代方向阀的一般电磁阀构成直动式比例方向阀，其滑轴不但可以换位，而且换位的行程可以连续或按比例地变化，因而连通油口间的通油面积也可以连续或按比例地变化，所以比例方向控制阀不但能控制执行元件的运动方向外，还能控制其速度。

上海今萨机电设备有限公司主营：

德国品牌：

REXROTH（力士乐）、P+F(倍加福)

PHOENIX(菲尼克斯 ) 、SIEMENS(西门子)

HAWE（哈威）              HYDAC（贺德克）

EUPRESS                          FONROOG(佛 郎）

美国品牌：

PARKER（派克）、DENISON（丹尼逊）、

VICKERS（威格士）、 MOOG（穆格）、

SUN ( 太阳 ）、SAUER-DANFOSS (萨奥-丹佛斯）

意大利   ATOS（阿托斯）

日本   YUKEN（油 研）            

备有大量现货，保证原装正品，假一罚十，欢迎大家来咨询！！！！

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