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{"title":"Moog Servo Valve Electrohydraulic Servo Valve with Spline Shaft Type for Mobile","imgUrl":"https:\/\/img.chinax.com\/nimg\/cd\/38\/f41d677219d9046369ed1e629609-200x200-1\/moog_servo_valve_electrohydraulic_servo_valve_with_spline_shaft_type_for_mobile.jpg","attrs":{"Brand Name":"MOOG","Model Number":"D661-4444C\/1156-421 G60JOAA6VSX2HA D661-4443C\/1156-421 G45J0AA6VSX2HA D661-4506C\/1156-421 G23J0AA6VSX2HA D661-4539C\/1156-421 G35JOAA5VSX2HA D662Z4311K\/D630-072A\/P01JXMF6VSX2-A","Certifiion":"ISO","Place of Origin":"Germany"}}
{"title":"Moog Servo Valve with 3 Speed Settings 280 bar Pressure Rating and 24V 220V","imgUrl":"https:\/\/img.chinax.com\/nimg\/d2\/7d\/f3eda2d0981fc25c95d297b6b3e7-200x200-1\/moog_servo_valve_with_3_speed_settings_280_bar_pressure_rating_and_24v_220v_voltage_for_electro_hydraulic_control.jpg","attrs":{"Brand Name":"MOOG","Model Number":"743f002B G122-824-002 G122-829-001 G423-604-L25 G413-604A C08428-001 D661-5009 631F751F D122-034-017 743f003a","Certifiion":"ISO","Place of Origin":"German"}}
{"title":"Moog Servo Valve with 6-250m3 Drive Mode 3 Speed Settings and 25cm Nominal","imgUrl":"https:\/\/img.chinax.com\/nimg\/7a\/42\/3878b91428995093e193b3fb1725-200x200-1\/moog_servo_valve_with_6_250m3_drive_mode_3_speed_settings_and_25cm_nominal_diameter_for_electro_hydraulic_control.jpg","attrs":{"Brand Name":"MOOG","Model Number":"D633-495B D662-4356K D765-1089-5 D791-5045 D661-4033 CZ1006C3A D136-001-008 D137-001-011 D128-011-BA006 D791-5009","Certifiion":"ISO","Place of Origin":"Germany"}}
{"title":"Moog Servo Valve with Internal Meshing Principle and Online Video After Service","imgUrl":"https:\/\/img.chinax.com\/nimg\/d5\/f8\/94c6695c5edd5cda2a22cb5b5aec-200x200-1\/moog_servo_valve_with_internal_meshing_principle_and_online_video_after_service_for_1800_rpm_maximum_speed.jpg","attrs":{"Brand Name":"MOOG","Model Number":"D635-371E D691-087D D691-072D G761-3008 G761-3009-4 G761-3009 AC4598-24 D662-4087 D061-8311 d661-4444c","Certifiion":"ISO","Place of Origin":"Germany"}}
{"title":"Moog Servo Valve Electro-Hydraulic Servo Valve with 5.5 kg - 27 kg Weight 0.1 kW","imgUrl":"https:\/\/img.chinax.com\/nimg\/3c\/bf\/7924177fdbd7b891444770b8cd69-200x200-1\/moog_servo_valve_electro_hydraulic_servo_valve_with_5_5_kg_27_kg_weight_0_1_kw_power_and_water_usage.jpg","attrs":{"Brand Name":"MOOG","Model Number":"D635-671E D634-524A D691Z2086G D662-4002 D661-4010 D661-5626C D661-5628C D792-5012 D663-4008 B97069-061","Certifiion":"ISO","Place of Origin":"Germany"}}
{"title":"Moog Servo Valve Electro-Hydraulic Servo Valve with 290*180mm Size Up to 1000 cc","imgUrl":"https:\/\/img.chinax.com\/nimg\/9b\/db\/453db3b5c493145dd9358c4b6e29-200x200-1\/moog_servo_valve_electro_hydraulic_servo_valve_with_290_2a180mm_size_up_to_1000_cc_2frev_displacement_and_pressure_compensated_con.jpg","attrs":{"Brand Name":"MOOG","Model Number":"D061-8312 N122-001 D634-1035 D641-230 122-105 D631-294","Certifiion":"ISO","Place of Origin":"Germany"}}
{"title":"Moog Servo Valve Electro-Hydraulic Proportional Flow Control Valve with 25cm","imgUrl":"https:\/\/img.chinax.com\/nimg\/7e\/00\/b01c474ca71e6d6844c32e6b0d34-200x200-1\/moog_servo_valve_electro_hydraulic_proportional_flow_control_valve_with_25cm_nominal_diameter_low_noise_less_than_70_db_28a_29_and.jpg","attrs":{"Brand Name":"MOOG","Model Number":"J761-003\/S63JOGA4VPL D662-4015-D02HABF6VSX2B D691-2705D-Q60FTATCNEC2N D633-419AR16KO1AONSP2 D791-4007S25JQS6VSX2-B","Certifiion":"ISO","Place of Origin":"Germany"}}
An electrohydraulic servo valve is a precision component that acts as an interface between the electrical control system and the hydraulic power system. It receives a low-power electrical analog signal and converts it into a proportional, high-power hydraulic output (flow and pressure). This makes it a crucial control core in electrohydraulic servo systems, responsible for both electrical-to-hydraulic signal conversion and power amplifiion.
2. How does a Moog Servo Valve work?
A Moog servo valve typically consists of a polarized electrical torque motor and a two-stage hydraulic amplifier.
First Stage: The torque motor deflects an armature and a flapper attached to it. This flapper moves between two nozzles, creating variable orifices that control the pressure on either end of the second-stage spool.
Second Stage: The differential pressure moves the spool, which then controls the flow of hydraulic fluid to the actuator. A feedback spring, connected to the flapper and engaging the spool, creates a force that balances the input signal torque, ensuring precise spool positioning proportional to the electrical command.
3. What are the key installation requirements?
Proper installation is critical for performance and longevity.
Filtration: Install a precision filter with a rating of 5 microns or less upstream of the servo valve. The hydraulic fluid cleanliness should be maintained at a maximum ISO DIS 4406 Code 16/13, with Code 14/11 recommended.
Company Details
Bronze Gleitlager
,
Bronze Sleeve Bushings
and
Graphite Plugged Bushings
from Quality China Factory
Business Type:
Manufacturer,Exporter
Total Annual:
1 million-10 millon
Employee Number:
>50
Ecer Certification:
Verified Supplier
Quanzhou Yisenneng Hydraulic Electromechanical Equipment Co., Ltd. has been established for many years and has now developed into an international trading company supplying various hydraulic machinery parts, oil pumps and valves. We are one of the few Chinese companies with multiple products and cha... Quanzhou Yisenneng Hydraulic Electromechanical Equipment Co., Ltd. has been established for many years and has now developed into an international trading company supplying various hydraulic machinery parts, oil pumps and valves. We are one of the few Chinese companies with multiple products and cha...