• July 25, 2019

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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During this time more thanvalves have been delivered. A Series valves offer the highest flow per Either pin D or E is used according to the required operating direction. The Online Industrial Exhibition.

Technical Data Performance Specs. Open the catalog to page 6. 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.


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. At 0 mA command the spool is in its center position. Open the catalog to page 7. The jet now produces a pressure difference in the control ports.

Catalog excerpts Technical Data Performance Specs. The spool motion of the main stage is produced by a single-stage pilot valve. A Series Proportional Control Valves are a twostage design.

For maximum flow, the manifold ports P, T, A and B should have 0. Open the catalog to page 8.

Open the catalog to page Mooog no enable signal is available, the spool Average surface finish value, Ra, better than 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. Open the catalog to page 9.

A current through the coil displaces the jet pipe from neutral. The input pins D and E are inverting. Open the catalog to page 4. Open the catalog to page 3. Open the catalog to page 5. By combining a moo first stage, a suitable spool drive area and integrated electronics, an optimum proportional valve can be offered.


When making electrical connections to the valve shield, protective groundingappropriate measures Note O-ring counterbore dia. This displacement combined with the special shape of the nozzle directs a focused fluid jet more into one receiver opening than the other.

Moog D PARO Library

The other pin is connected to signal common at cabinet side. Open the catalog to page 2. Meets the requirements of EN