螺纹式插装流量阀-流量调整附止回阀 返回列表页

●功能参数同等于双向节流阀但包含一个回转方向的自由流单向阀。
●依靠他们在回路中的位置，可提供量入量出和旁伸控制。
●孔口流量正比压降平方根(由于非补偿设计)因此只适合固定负载,变动负载要用压力补偿阀。
●Performance parameters are sinilar to the bi-directional reedle valve but inelude a high capacity free flow check in the return directon.
●Dependant on their position in the circuit they can provide meter-in meter-out or bleed-off control.
●Needle valves are non-compensating devices the orifice sige will regu late the flow through the valve in proportion to the sgure root of the pressure differential across port 1 and 2,therefore naking these valves suitable only where the load remains constant.