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Direct-Operated Servo Valves for Analog Signals D633 Series
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Product Details
| Type | Pilot-Operated Type | Function | Balance, Pressure Regulating, Reversing, Flow Control | |
| Drive | Hydraulic | Installation | Threaded Cartridge | |
| Transport Package | Wooden box | Specification | 235x50x113 | |
| Trademark | hongda | Origin | china |
Product Description
| Product title | Direct-Operated Servo Valves for Analog Signals D633 Series |
| Product Description | Direct-operated servo valves for analog signals are sophisticated hydraulic control valves used in high-precision applications where accurate control of fluid flow is essential. |
| Product Name | Direct-Operated Servo Valves |
| Brand | MOOG |
| Model Number | D633KR16KO1F0VSX2 |
| Weight | 2.5kg |
| Dimension | 235x50x113 |
| Core Component | |
| Applicable Industries | Pressure Control Valves |
| Operating Temperature | -20°~80° |
| Maximum Working Pressure | 35Mpa |
| Oil Pump Flow Rate | 75 L/min |
| Mounting Style | ISO 4401-03-03-0-05 (with or without leakage oil connection Y) |

Unlike traditional hydraulic valves that operate based on on/off signals, direct-operated servo valves are designed to precisely modulate fluid flow in response to analog input signals, typically electrical signals such as voltage or current. These valves consist of a spool assembly, which moves within a precisely machined housing to regulate the flow of hydraulic fluid. The movement of the spool is controlled by the input signal, allowing for precise and proportional control of fluid flow rates. Direct-operated servo valves are commonly used in industrial automation, aerospace, and hydraulic motion control systems where precise positioning, velocity control, or force control is required. Their ability to provide accurate and dynamic control makes them indispensable in applications such as aircraft flight control systems, precision machining equipment, and hydraulic testing rigs.
Directly driven by linear force motor: No pilot flow required
Linear force motor with high force range (improves operating limits): No flow limitations
Directly driven design: Pressure-independent dynamic performance
Low current consumption at and near hydraulic null
Spool is in spring-centered position at loss of power supply: Actuator stops
Contact Us
- Wuhan Hongda Hydraulic And Pneumatic Equipment Manufacturing Co., Ltd.
- Contact nameJenny Zhao Chat Now
- AddressNo.7, Xincheng Thirteen Road, Jinghe Street, Dongxihu District, Wuhan, Hubei, China, 430000, Wuhan, Hubei
Product Categories
| Engineering cylinder | hydraulic cylinder | hydraulic system | Pneumatic cylinder |
| hydraulic valve | hydraulic pump |
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