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Moog G761-3003B Servo Valve
Technical Datasheets / Product Documentations
| Brand |  |
| Category | Valve |
| Product Name | Moog G761-3003B Servo Valve |
| Product Code | G761-3003B |
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Product Description
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Moog 761 Series Flow Control Servo Valves
761 SERIES SERVO VALVES General Technical Data Valve design
2-stage mechanical feedback, with bushing and spool
Pilot valve
Nozzle flapper
Mounting pattern
ISO 10372-04-04-0-92
Installation position
Any position, fixed or movable
Weight with steel body
1.7 kg (3.8 lb)
Weight with aluminium body
1.0 kg (2.2 lb)
Storage temperature range
-40 to +60 °C (-40 to +140 °F)
Ambient temperature range
-29 to +135 °C (-20 to +275 °F) 1)
Vibration resistance
30 g, 3 axis, 10 Hz to 2 kHz
Shock resistance
30 g, 3 axis
1) Option available for higher temperature ranges up to 400 °F.
Hydraulic Data 1) Maximum operating pressure port P, X, A, B
•
Aluminium body: 315 bar (4,500 psi)
•
Steel body: 350 bar (5,000 psi)
Maximum operating pressure port T
Static: same as P port. Normal operating: 70 bar (1,000 psi).
Minimum operating pressure
14 bar (200 psi)
Rated flow at ΔpN 35 bar (500 psi)/spool land
0.5 to 2 l/min 4 l/min 10 l/min (0.13 to 0.53 gpm) (1.1 gpm) (2.5 gpm)
Maximum flow Qmax
104 l/min (27.5 gpm)
Typical leakage
1.0 l/min (0.26 gpm)
1.5 l/min (0.4 gpm)
Maximum total leakage (axis cut)
1.2 l/min (0.31 gpm)
2 l/min 2.8 l/min 3 l/min (0.79 gpm) (0.53 gpm) (0.74 gpm)
Pilot flow
0.45 l/min (0.12 gpm) to 0.80 l/min (0.21 gpm)
Null adjust authority
2)
75 %
19 l/min (5 gpm)
38 l/min (10 gpm)
57/63 l/min 75 l/min (15.1/16.6 gpm) (19.8 gpm)
2.1 l/min (0.55 gpm)
60 %
25 %
15 %
3.3 l/min (0.87 gpm) 10 %
Hydraulic fluid
Mineral oil based fluids according to DIN 51524 parts 1 to 3 and ISO 11158. Other
fluids upon request.
Seal material
FKM (fluorocarbon) 90 Shore, EPR (ethylene-propylene copolymer) 90 Shore,
others upon request
Hydraulic fluid temperature range
-29 to +135 °C (-20 to +275 °F)
Recommended viscosity range at 38 °C (100 °F)
15 to 100 mm2/s (cSt)
Recommended cleanliness class as per ISO 4406 for functional safety
17/14/11
Recommended cleanliness class as per ISO 4406 for longer service life
15/13/10
Recommended filter rating for functional safety
ß10 ≤ 75 (10 μm absolute)
Recommended filter rating for longer service life
ß5 ≤ 75 (5 μm absolute)
1) Measured at 210 bar (3,000 psi) pilot or operational pressure, oil viscosity 32 mm2/s and oil temperature +40 °C (+104 °F)
2) For standard configuration. Optional magnetic null offers approximately 10 % adjustment.
Rev. M, April 2024
6
Frequently Asked Questions
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