Locate the fault. Focus the service.
Electronics and test accessories
Helps distinguish a hydraulic fault from an electrical control-system problem.
G040-119A · VALVE CHECKER
Portable servo valve tester
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Technical overview
- G040-119A is intended for mechanical-feedback MFB valves.
- LCD display and rechargeable battery.
- Other testers are available for EFB valves; compatibility is not universal.
What is needed to select a solution?
Valve model, feedback type, connector, command current and suitable cable

Original artwork in Hebrew; the publication text is available on this page.
Publication text
Locate the fault. Focus the service.
Is the fault in the valve or the electrical control? MOOG's G040-119A tester supports commissioning, servicing and diagnostics of systems with mechanically fed-back servo valves and tests hydraulics independently of control electronics.
Who is it for? Maintenance departments, service personnel and integrators.
For application selection, we review: valve model, feedback type, connector, command current and suitable cable.
For advice and application selection: B.N. Engineering & Technology
info@bn-eng.co.il | bn-eng.co.il
MOOG source: https://www.moog.com/products/servovalves-servo-proportional-valves/industrial/valve-accessories/portable-valve-checkers.html
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Solution selection