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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Technical Data Performance Specs. During this time more thanvalves have been delivered.

mlog 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. If no enable signal is available, the spool A Series Proportional Control Valves are a twostage design. The spool motion of the main stage is produced by a single-stage pilot valve.


Pilot-Operated Servovalves for Analog Signals D661 Series

Two-stage proportional valves are mainly used when low threshold and good dynamic response with small signals are required. By combining a fast first stage, a suitable spool drive area and integrated electronics, an optimum proportional valve can be offered. A Series valves offer the highest flow per A current through the coil displaces the jet pipe from neutral. This displacement combined with the special shape of the nozzle directs a focused fluid jet more into one receiver opening than the other.

The jet now produces a pressure difference in the control ports. This pressure difference results in a pilot flow which in turn causes a spool displacement. The pilot stage drain is through the annular area around the nozzle to tank. Note O-ring counterbore dia.

For maximum flow, the manifold ports P, T, A and B should have 0. Average surface finish value, Ra, better than Meets the requirements of EN When making electrical connections to the valve shield, protective groundingappropriate measures At 0 mA command molg spool is in its center position.


Moog D PARO Library

The input pins D and E are inverting. Either pin D or E is used according to the required operating direction. The other pin is connected to signal common at cabinet side.

The Online Industrial Exhibition. Catalog excerpts Technical Data Performance Specs.

Open the catalog to page 2. Open the catalog to page 3. Open the catalog to page 4. Open the catalog to page 5. Open the catalog to page 6. Open the catalog to page 7. Open the catalog to page 8. Open the catalog to page 9. Open the catalog to omog