Pilot Operated Proportional Valve
D670 Series
Rated Flow: 30 to 1,500 l/min (8 to 395 gpm) at each throttle edge with ∆p of 5 bar (75 psi)
Maximum Flow: 3,600 l/min (950 gpm), ISO Size 10
Maximum Working Pressure: 350 bar (5,000 psi)
Features of the Pilot Operated Proportional Valve:
Optimized valve body design for high-rated flow with optional fieldbus interface digital circuits
Integrated digital circuitry for high flexibility
Choice of the pilot stage (DDV or ServoJet®) for optimal application matching
Improved pilot stage for superior dynamic response
Various power failure protection options for excellent application matching
| Specification | Value |
|---|---|
| Hydraulic Parameters | |
| Rated Flow | 30 to 1,500 l/min (8 to 395 gpm) [at ∆p of 5 bar (75 psi)] |
| Maximum Flow | 3,600 l/min (950 gpm) (ISO Size 10) |
| Maximum Working Pressure | 350 bar (5,000 psi) |
| Installation Type | ISO 4401 Size 05, 07, 08, and 10 (NG 10, 16, 25, and 32) |
| 100% Step Response Time | 10 to 40 ms [at 210 bar (3,000 psi)] |
| Electrical Parameters | |
| Supply Voltage | 24 VDC (18 to 32 VDC) |
| Rated Signal Options | +/-10 V, +/-10 mA, and 4-20 mA |
| Options | Fieldbus interface |
