Star Hydraulics, Inc. celebrated its 50th anniversary in 1997. During the time that Star has been doing business, we have established ourselves as a leader in the manual hydraulic pump field offering the most complete range of standard hand and foot pumps. In addition Star Hydraulics, Inc. offers long stroke jacks, reservoirs, parking meter post straighteners, 4-way valves, special manual pumps, and custom designed special hydraulic and pneumatic cylinders.

该系列阀门用于任何液压系统执行精密的方向控制，D03，D05，D08和D10有叠加板安装和子板安装规格，通用式流量可达250加仑/分，压力可达4600psi。
优点特性：

有效适用于止逆、流量、压力控制，流量可达100加仑/分压力达3500psi。
叠加蜂窝式阀是用于方向和比例控制的D03，D05和D08型阀的底板安装。
成列式阀有线性安装底板，该底板的油路不适用于叠加式安装