Product Introduction: As a member of the Moog D661 series, this valve is a pilot-operated servo valve with integrated electronics and an analog interface. Its spool slides in the bushing and is hydraulically pilot-controlled. It is designed for the most demanding applications and has high dynamic performance. It can accurately control the flow of the hydraulic system and is an important component in the electro-hydraulic servo system.
Hydraulic Parameters: The rated flow rate is 20 to 200 l/min (5.3 to 52.8 gpm) per land when the pressure difference is 35 bar (500 psi). The maximum flow rate is 250 l/min. The maximum operating pressure of ports P, A, and B is 350 bar (5000 psi). The maximum operating pressure of port T with internal Y is 210 bar (3000 psi), and the maximum operating pressure of port T with external Y is 350 bar (5000 psi). The step response time for 0 to 100% step is 6.5 to 18 ms. The installation pattern complies with ISO 4401 size 05 (NG 10).
Electrical Parameters: The supply voltage is 24 VDC (18 to 32 VDC), and the rated signal options are +/-10 V and +/-10 mA. The electrical connector is 6 + PE.
Functional Features: It is a two-stage valve with a robust ServoJet pilot valve. The valve body is optimally designed to achieve a high rated flow rate. The improved ServoJet pilot valve design results in excellent dynamic response. Different fail-safe options are available to better adapt to the application.
Application Scenarios: It is suitable for various industrial fields that require high-precision control, such as aerospace, military, and precision machine tools. It can be used in position control, speed control, and force control systems that have high requirements for control precision and dynamic response.
