I. Model MeaningD631: 631 Series Two-stage Mechanical Feedback Servo Valve, Moog ...

I. Basic Structure InformationStructure Type: Dry Torque Motor + Dual Nozzle Baf ...

I. Model Meaning (More than D631-333C)D631: 631 Series Two-stage Mechanical Feed ...

I. Basic InformationStructure: Dry torque motor + double nozzle baffle pilot + f ...

1. Basic Information (G631-3806B = D631-266C)Structure: Dry torque motor + dual ...

I. Basic InformationSeries: 631 (两级， mechanical feedback MFB， nozzle baffle pilo ...