S10P0.0B/  S10P1.0B/   S10P2.0B/   S10P3.0B/  S10P5.0B/

S10P01.0B/ S10P11.0B/  S10P21.0B/  S10P31.B/  S10P51.0B/
S30P3.0B北京华德单向阀***
S20P0.0B/  S20P1.0B/   S20P2.0B/   S20P3.0B/  S20P5.0B/

S20P01.0B/ S20P11.0B/  S20P21.0B/  S20P31.B/  S20P51.0B/

S30P0.0B/  S30P1.0B/   S30P2.0B/   S30P3.0B/  S30P5.0B/

S30P01.0B/ S30P11.0B/  S30P21.0B/  S30P31.B/  S30P51.0B/

0B/

S20A01.0B/  S20A02.0B/  S20A11.0B/  S20A12.0B/  S20A21.0B/  S20A22.0B/  S20A31.0B/  S20A32.0B/ S20A51.0B/  S20A52.0B/

S25A01.0B/  S25A02.0B/  S25A11.0B/  S25A12.0B/  S25A21.0B/  S25A22.0B/  S25A31.0B/  S25A32.0B/ S25A51.0B/  S25A52.0B/

S30A01.0B/  S30A02.0B/  S30A11.0B/  S30A12.0B/  S30A21.0B/  S30A22.0B/  S30A31.0B/  S30A32.0B/ S30A51.0B/  S30A52.0B/



1：液压系统用的介质必须过滤，过滤精度至少20um。 
S30P3.0B北京华德单向阀***
2：液压系统用的油箱必须密封；并加空气过滤器。 

3：不带底板。 

4：固定螺栓请按样板中列的参数选用。 

5：与阀连接的表面粗糙度要求：0.8。 

6：于阀连接的平面度要求0.01/100mm。 

内部抵抗、许容背压大幅提高。 

油浸式电磁设计，作动平稳，噪音小。 

线圈采一体成型，防潮效果佳，散热好，耐高温。