D633 Series Direct Drive Valve (DDV) - Servo-Proportional Valve Products

Valve Construction:

A Direct Drive Flow Control Proportional Valve with a high force level permanent magnet linear force motor directly driving the spool.?A LVDT is attached to the spool to provide spool position feedback. An internal loop is closed around the spool position.

Typical Applications:

Wood Industry - Set Saw Positioning
Basic Metals - Strip Gage Control

Technical Data:

• Port Pattern: ISO 4401- 03 -03 - 0 - 94
• Rated Flow: (@ 1000 psi [70 bar] pressure drop): 1.3 gpm [5 l/min] to 10.6 gpm [40 l/min]
• Operating Pressure: 5000 psi [350 bar]
• Step Response (@ 3000 psi [210 bar] for 100% stroke): <= 12 ms

Literature:

 D633, D634 Direct Drive Servo-Proportional Control Valves (5934Kb)
 D633 and D634 Series Size 03 and 05 Installation and Operation Instructions (505Kb)