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{"title":"Moog Servo Valve with LED Touch Control Appliion 24V 220V Voltage and 50 Hz","imgUrl":"https:\/\/img.chinax.com\/nimg\/8a\/ce\/9fb70c58714168f000816d3eac76-200x200-1\/moog_servo_valve_with_led_touch_control_appliion_24v_220v_voltage_and_50_hz.jpg","attrs":{"Brand Name":"MOOG","Model Number":"D661-4334C D661-4438E D661-4451C D661-4507C D661-4575C D661-4576C D661-4586E D661-4594C D661-4624 D661-4636","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"}}
MOOG servo valves adopt the principle of servo jet tube to achieve pilot control, providing precision electrohydraulic proportional control.
Product Models
D661-4334C
D661-4438E
D661-4451C
D661-4507C
D661-4575C
D661-4576C
D661-4586E
D661-4594C
D661-4624
D661-4636
Technical Specifiions
Parameter
Value
Rated Current
1A
Voltage
24V / 220V
Power
0.1 kW
Brand
MOOG
Place of Origin
Germany
Appliion
LED touch control
Material
PVC, Steel, Copper
Rated Frequency
50 Hz
Type
Servo proportional valve
Control
Electro hydraulic/Proportional
Related MOOG Valve Models
Original MOOG D633-7205
Original MOOG D633-7320
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Original MOOG D634-318C
Original MOOG D634-319C
Original MOOG D634-341C
Original MOOG D634-501A
Original MOOG D634-514A
Original MOOG D634-E301B
Original MOOG D634E301B
Original MOOG D634E319B
Original MOOG D634E356B
Original MOOG D634Z510
Original MOOG D635K2009E
Original MOOG D638E120
Original MOOG D638E126
Original MOOG D641-163A
Original MOOG D641-194
Original MOOG D641-219
Original MOOG D641-351
Original MOOG D641-363
Original MOOG D642-284
Original MOOG D642-308
Original MOOG D642-505
Original MOOG D642-515A
Original MOOG D643-101
Original MOOG D643-319
Original MOOG D643-504
Original MOOG D643-508A
Original MOOG D644-308
Original MOOG D644-319
Original MOOG D644-519
Original MOOG D645-305
Original MOOG D645-403
Original MOOG D648-129
Original MOOG D651-129
Original MOOG D651-129B
Original MOOG D651-129D
Original MOOG D651-346A
Original MOOG D651-347B
Original MOOG D651-413
Original MOOG D651-413D-4
Original MOOG D651-416D-4
Original MOOG D651-461D
Original MOOG D651-471
Original MOOG D651-471D
Original MOOG D653-2709E
Original MOOG D656Z130
Original MOOG D661 UNIDENTIFIED
Original MOOG D661-1062E
Original MOOG D661-1718
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Original MOOG D661-318A
Frequently Asked Questions
What is an Electrohydraulic Servo Valve?
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.
How does a Moog Servo Valve work?
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.
What are the key installation requirements?
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.
System Flushing: Before installing the servo valve, the entire hydraulic system must be thoroughly flushed to remove contaminants. Use a flushing manifold and circulate fluid under conditions simulating normal operation.
Mounting: The valve can be mounted in any orientation, ensuring port alignments match the manifold. The mounting surface should be clean, smooth, and flat. Use the specified screws and torque them to 96 inch-pounds.
Connections: Use O-ring seal connections (e.g., SAE J1926) and avoid welded fittings. Prefer crimped or 24-degree cone type connections.
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...
