STAR伺服阀主要用在电气液压伺服系统中，同电气及气动执行机构相比，具有快速性好，输出功率大、传动平稳，抗干扰能力强等，STAR液压阀的馈线杆是用比一般钻石更坚固的蓝宝石制作使用寿命长。STAR伺服阀广泛应用与冶金，注塑，材料包装，发电厂，造纸印刷，航空航天中。型号列举如下：

Model 200  Qn 2~7 l/min
Miniature Design
12.2mmPCD
Mounting Pattern

Model 454

Qn 4~20 l/min
Std & High Response
Slim Body Design
ISO 10372-02
Mounting Pattern

Model 456

Qn 4~60 l/min
Std & High Response
Slim Body Design
ISO 10372-03
Mounting Pattern

Model 458   Model 460   Model 500 Model 502 Model 507 Model 550 Model 552 Model 553 Model 557   Model 558   Model 550E (EFB)       Model 552E (EFB) Model 590-1 Model 592-1

Model 590-0   Model 592-0 Model 1550             Model 1552    Model 1554

Model 750    Model 890    Model 892             Model 897        Model 902HF

Model 892-2 Model 897-2   Model 890E (EFB)      Model 892E (EFB) Model 897E (EFB)

Model 1650 Model 650