Moog G761-3003B Electro-Hydraulic Servo Valves G761-3003B Valves Arrived

 

Overview of Moog G761-3003B Electro-Hydraulic Servo Valves G761-3003B Valves Arrived

G761 and 761 Series Servo Valves Direct-Operated Flow Control for Analog Signals

 

 

The G761/761 Series Flow Control Servo Valves are throttle valves for 3 and preferably 4-way applications.They are a high performance, 2-stage design that covers the range of rated flows from 4 to 63 l/min (1 to 16.5 gpm) at 35 bar (500 psi) valve pressure drop per spool land.

 

 

The design is simple and rugged for dependable, long life operation. The output stage is a closed center,4-way sliding spool. The pilot stage is comprised of a symmetrical, double nozzle dry torque motor. The 2nd stage spool position is controlled by a carbide tipped feedback wire. The carbide ball on the end of the feedback wire is a mandatory design requirement that ensures high accuracy, reliable operation and long service life. All of our Servo Valves are known for high accuracy and reliable operation even in the harshest industrial applications.

 

 

These valves are suitable for electrohydraulic position,speed, pressure or force control systems with high dynamic response requirements.

 

 

 

Features of Moog G761-3003B Electro-Hydraulic Servo Valves G761-3003B Valves Arrived
 

*  100 % factory tested to ensure critical specification performance

*  2-stage design 

*  Dual Coil torque motor 

*  Dual Precision Nozzles in Torque

*  Dry torque motor design 

*  Hardened 440C Bushing and Spool 

*  Emergency fail-safe positioning

*  Field replaceable pilot stage filter

*  External null bias adjustment

*  Standard field configurable 5th port for separate pilot supply

 

 

Benefits of Moog G761-3003B Electro-Hydraulic Servo Valves G761-3003B Valves Arrived
 

*  Ensures smooth and easy startup, reduces downtime and insures long life in critical industrial applications

*  Enables high machine performance, faster cycle times and greater accuracy – all resulting in higher productivity

*  Redundancy for high reliability

*  Precision flow control and predictability

*  Eliminates potential contamination issues in the air gaps of the torque motor that could cause machine downtime

*  Provides for high life, wear resistance when used in the harsh environments; provides for low sliding friction during use

*  Most valves are set up to return to a fail-safe position when the command signal is interrupted or eliminated

*  Enables preventive maintenance in the field, saving precious machine downtime and service costs

*  Emergency fail-safe positioning  Enables technicians to manually adjust the null bias of the valve to adapt to the conditions of the machine . This feature provides a simple adjustment to machine performance without the need to adjust a controller.

*  Provides for the precise control of low pressure applications

*  Extends lifetime of servo valve when compared to slotted spool and sapphire ball designs

 

 

 

Specifications of Moog G761-3003B Electro-Hydraulic Servo Valves G761-3003B Valves Arrived
 

Hydraulic Data

Rated Flow*

0.5 to 75 l/min (0.125 to 20 gpm)

Standard Configurations 4, 10, 19, 38, 63 l/min

(1, 2.5, 5, 10, 16.5 gpm)

Max. Operating Pressure 310 or 350 bar (4,500 or 5,000 psi)

 

Performance Data

100% Step Response** 5 to 16 ms

Frequency Response*** 120 to 230 Hz

 
Moog G761-3003B Electro-Hydraulic Servo Valves G761-3003B Valves Arrived
 

Electrical Data

Rated Signal**** 8 to 200 mA

Standard Configurations 15, 40, 200 mA 

 

Physical Data

Size (Mounting Pattern)  Size 04 (ISO 10372-04-04-0-92)

Weight 1.1 kg (2.4 lbs)
 

 

Additional Options of Moog G761-3003B Electro-Hydraulic Servo Valves G761-3003B Valves Arrived
 

High Null Bias, Magnetic Null Adjust, Vented Motor Cap, Special BSA Fit, Parallel Internal Wiring, 

 

Reverse Polarity, Very High Response

 

Contact Industrial Application Engineering for additional Flow, Pressure and other options

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Moog G761-3003B Electro-Hydraulic Servo Valves G761-3003B Valves Arrived