Moog MOOG servo valve, MOOG72 series is the standard response to the two servo valves with pilot valve cartridge can be replaced in the field, and can be used outside the control of the pilot control pressure. Manufacturer: MOOG Product Description: Steam Turbine Control field, Moog has the most extensive customer base, market and product. Our customers include Shanghai Turbine Works Harbin Steam Turbine Plant, Dongfang Steam Turbine Works ... Moog product applications in the following turbine: large, medium and small steam turbines large and small gas gas turbine aero-engine applications include: gas and liquid fuel to control the internal guide vanes and diversion valve to control the steam inlet and exhaust steam bypass control the discharge throttling control active fuel instability control (AIC) 
 U.S. Moog MOOGD633, D634 Series direct drive type servo valve 
 Model: of Living Scatted in the D634 series of manufacturer: MOOG Product Description: high performance direct drive type servo valve spool transport is driven by the linear force motor directly with electronic amplifier valve spool position closed-loop control. Direct action designed to avoid the leakage loss of the pilot class, and the dynamic response of the system working pressure has nothing to do. Installation the underside comply with ISO 4401 standards. Frequency Response: 70HZ step response: 15ms flow control :3.8-100 l / min (1-26gpm) maximum working pressure of: 31.5Mpa the valve is adapted to metal repression equipment such as shears, bending machines, bending machines, wood press. 
 Moog D660 Series (EFB) servo proportional valve 
 Model: D660 Series (EFB) specifications: ISO 4401, the SIZE 05 to 10 manufacturers: MOOG products: the standard response of two and three servo proportional valve displacement sensor point feedback of the main spool valve with electronic amplifier closed-loop control of the main spool installation underside to meet the ISO 4401 standard frequency response :10-30 this HZ-order road response :2-45ms flow control :76-3800 l / min (20 - 1000gpm) maximum working pressure: 31.5mpa this The valve is a hydraulic control system for high-frequency response, such as electro-hydraulic position, velocity, pressure, force control system. 
 U.S. the Moog MOOGG631 series servo valve 
 Model: G631 series of manufacturer: MOOG products: standard response to the two servo valves with pilot valve can be replaced in the field filter, and can be used outside the control of the pilot control pressure, installation underside to meet the ISO 4401 standard. Frequency response: 70HZ step response: 15ms traffic control :3.8-76 L / min (1 - 20gpm) maximum working pressure of the: 31.5Mpa this product apply to the plastic industry, blowing machines and metal presses