D691 Series PQ Servo-Proportional Valve Products

PQ-Valve Servo Proportional Valve with Integrated Electronics

Valve Construction:

Two-stage PQ valve with a ServoJet?pilot stage and a pressure transducer in the 'A' port for controlling pressure and an LVDT for spool position feedback.

Typical Applications:

Plastic Injection Molding Machines
Paper Machines

Technical Data:

• Port Pattern: D05
• Rated Flow (@ 150 psi [10.5 bar] pressure drop):2 gpm [8 l/min] to 21 gpm [80 l/min]
• Rated Flow (@ 1000 psi [70 bar] pressure drop): 5 gpm [21 l/min] to 54 gpm [206 l/min]
• Operating Pressure: 1500 psi [105 bar]to 5000 psi [350 bar]
• Step Response (@ 3000 psi [210 bar] for 100% stroke): 25 ms
• Step Response (@ 3000 psi [210 bar] for 100% pressure): 80 ms

Literature:

 D691 Series?PQ Servo-Proportional Valves with Integrated Electronics (4778Kb)