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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Open the catalog to page Open the catalog to page 5.

Pilot-Operated Servovalves for Analog Signals D661 Series

Mooy the catalog to page 7. At 0 mA command the spool is in its center position. When making electrical connections to the valve shield, protective groundingappropriate measures Open the catalog to page 8.

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 mog processing and other applications.


Open the catalog to page 3. Technical Data Performance Specs.

The pilot stage drain is through the annular area around the nozzle to tank. The input pins D and E are inverting.

Pilot-Operated Servovalves for Analog Signals D Series

The Online Industrial Exhibition. A Series Proportional Control Valves are a twostage design.

If no enable signal is available, the spool During this time more thanvalves have been delivered. Open the catalog to page 4. This displacement combined with the special shape of the nozzle directs a focused fluid jet more into one receiver opening than the other.

By combining a fast first stage, a suitable spool drive area and integrated 6d61, an optimum proportional valve can be offered. A current through the coil displaces the jet pipe from neutral. Note O-ring counterbore dia. Open the catalog to page 2. The spool motion of the main stage is produced by a single-stage pilot valve.

Open the catalog to page 9. A Series valves offer the highest flow per Open the catalog to page 6.


Moog D PARO Library

Catalog excerpts Technical Data Performance Specs. For maximum flow, the manifold ports P, T, A and B should have 0. Two-stage proportional valves are mainly used when low threshold and good dynamic response with small signals are required. Average surface finish value, Ra, better than Either pin D or E is used according to d6661 required operating direction.

This pressure difference results in a pilot flow which in turn causes a spool displacement. The jet koog produces a pressure difference in the control ports.

Meets the requirements of EN The other pin is connected to signal common at cabinet side.