Moog 072-1202-10 Two-Stage Electro-Hydraulic Servo Valve

Moog 072-1202-10 belongs to Moog 72 series two-stage electro-hydraulic servo valve with mechanical feedback. It converts electrical control signals into precise hydraulic flow output, widely adopted for closed-loop position, speed and pressure control in high-accuracy hydraulic systems.

This servo valve adopts double nozzle flapper pilot stage and dry torque motor design, featuring low hysteresis and fast dynamic response. It is commonly used in steam turbine DEH control systems, and supplied as original spare parts for power plant, metallurgy and industrial test bench maintenance projects.

Main Specifications

• Brand: Moog
• Model: 072-1202-10
• Product Type: Two-stage Flow Control Servo Valve
• Structure: Double Nozzle-Flapper, Mechanical Spool Feedback
• Max Working Pressure: 350 bar
• Input Signal: Analog signal for torque motor drive
• Hysteresis: Less than 0.3%
• Resolution: Better than 0.1%
• Media: Fire-resistant phosphate ester fluid / hydraulic oil
• Operating Temperature Range: -20°C ~ +85°C

Core Functions

• Realize precise continuous regulation of hydraulic flow according to electrical command signals
• Support closed-loop control for valve position of steam turbine control and governing systems
• Excellent dynamic performance ensures rapid response during turbine load fluctuation
• Built-in first-stage filter prevents particle contamination from blocking pilot stage
• Mechanical feedback structure maintains stable repeatability under long continuous operation
• Dry torque motor improves reliability and reduces risk of medium corrosion on electromagnetic parts
• Accurate flow adjustment stabilizes load and pressure of hydraulic actuator equipment
• Standard flange mounting interface facilitates replacement on original matched equipment
• High anti-interference capability adapts to complex electromagnetic environment in power plant control rooms
• Guarantee stable operation of steam turbine DEH electro-hydraulic control loops

Application Scenarios

• Thermal power plant steam turbine DEH electro-hydraulic control system
• Steam turbine main valve, high pressure and intermediate pressure control actuator loops
• Waste heat & biomass power generation turbine governing control equipment
• Metallurgical rolling mill hydraulic servo position control systems
• Industrial hydraulic test bench, material force & fatigue testing equipment
• Petrochemical large compressor and turbine auxiliary control units
• Hydraulic precision motion control equipment for heavy industry automation
• Power plant EH oil system overhaul and spare parts replacement projects
• Moog industrial servo valve spare parts inventory and maintenance projects