for the MOOG proportional valves. After external triggering this fail-safe function causes a defined metering spool position. Mechanical Fail-safe version. to install, operate and troubleshoot the Moog D Series Servo and Propor- General. The Servovalves DG, S and H Series and the Proportional Flow. Over time, Moog servo-proportional valves have undergone different Moog valves for over 10 years. . D Series, 2-stage proportional control valve.

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The Online Industrial Exhibition. Two-stage proportional valves are mainly used when low threshold and good dynamic response with small signals are required. For maximum flow, the manifold ports P, T, A and B should have d61.

Open the catalog to page 2.

Either pin D or E is used according to the required operating direction. The other pin is connected to signal common at joog side.


A Series Proportional Control Valves are a twostage design. The pilot stage drain is through the annular area around the nozzle to tank. Note O-ring counterbore dia. Open the catalog to page 9. Open the catalog to page 6. A Series valves offer the highest flow per This displacement combined with the special shape of the nozzle directs a focused fluid jet more into one receiver opening than the other.

Meets the requirements of EN The spool motion of the main stage is produced by a single-stage pilot valve. By combining a fast first stage, a suitable spool drive area and integrated electronics, an optimum proportional valve can be offered.

Pilot-Operated Servovalves for Analog Signals D661 Series

Open the catalog to page If no enable mmoog is available, the spool Open the catalog to page 5. Technical Data Performance Specs. Catalog excerpts Technical Data Performance Specs. The jet now produces a pressure difference in the control ports. The input pins D and E are inverting.


Average surface finish value, Ra, better than Open the catalog to page 8. Open the catalog to page 7.

This pressure difference results in a pilot flow which in turn causes a spool displacement. Open the catalog to page 3. During this time more thanvalves have mopg delivered. At 0 mA command the spool is in its center position. A current through the coil displaces the jet pipe from neutral.

Pilot-Operated Servovalves for Analog Signals D Series

These proportional control valves have been proven to provide reliable control of injection and blow molding equipment, die casting machines, presses, heavy industry equipment, paper and lumber processing and other applications. Open the catalog to page 4.

When making electrical connections mog the valve shield, protective groundingappropriate measures