北京华德DRV16S3-10B/节流截止阀
华德DV/DRV节流截止阀和单向节流截止阀
通径6-40，压力可35MPa，流量至600L/min，
有管式连接和板式连接
用来设定的油液流量，也用于截止功能。单向节流截止阀用来沿一个方向设定的油液流量，并允许油液反向自由回流。基本由阀体、带自锁的调节按钮组成。
北京华德电液换向阀
3WEH25T50B/6AW220-50NZ4 3WEH25T50B/6AW220-50NZ5 3WEH25T50B/6AW220-50NZ5L
3WEH25T50B/6AW220-50NEZ4 3WEH25T50B/6AW220-50NEZ5 3WEH25T50B/6AW220-50NEZ5L
3WEH25T50B/6AW220-50NETZ4 3WEH25T50B/6AW220-50NETZ5 3WEH25T50B/6AW220-50NETZ5L
3WEH25T50B/6AW220-50NTZ4 3WEH25T50B/6AW220-50NTZ5 3WEH25T50B/6AW220-50NTZ5L
华德马达
A2F125R1P3，A2F125R1P1，A2F125R1P2，
A2F125R1Z3，A2F125R1Z1，A2F125R1Z2，
A2F125R1S3，A2F125R1S1，A2F125R1S2，
A2F125L1P3，A2F125L1P1，A2F125L1P2，
A2F125L1Z3，A2F125L1Z1，A2F125L1Z2，
A2F125L1S3，A2F125L1S1，A2F125L1S2，
A2F125W1P3，A2F125W1P1，A2F125W1P2，
A2F125W1Z3，A2F125W1Z1，A2F125W1Z2，
A2F125W1S3，A2F125W1S1，A2F125W1S2，，A2F125L4S2，
A2F125W4P3，A2F125W4P1，A2F125W4P2，
A2F125W4Z3，A2F125W4Z1，A2F125W4Z2，
A2F125W4S3，A2F125W4S1，A2F125W4S2，
