Walvoil DPX open/closed center post-pressure compensated sectional valves.
| Nominal flow rating | Inlet port eith compensator, stand-by (margin pressure) 14 bar | 120 l/min |
| Working ports, stand-by (margin pressure) 14 bar | 90 l/min | |
| Max pressure | Inlet port P | 300 bar (std)380 bar (HP) |
| Working ports A and B | 300 bar (std)420 bar (HP) | |
| Back pressure (max) on outlet port T | With mechanical devices | 10 bar |
| With hydraulic, pneumatic, electric deviced | 30 bar | |
| Standard internal leakage A(B)→T | ∆p=100 bar | max 9 cm3/min |
| With port valves, ∆p=100 bar | max 14 cm3/min | |
| Fluid | Mineral oil | |
| Fluid temperature range | With seals NBR | from -20° to 80°C |
| With seals FPM | from -20° to 100°C | |
| Viscosity | Operating range | from 15 to 75 mm2/s |
| Min | 12 mm2/s | |
| Max | 400 mm2/s | |
| Contamination level | -/18/15 - ISO 4406 | |
| Environmental temperature for working conditions | With mechanical devices | from -40° to 60°C |
| With hydraulic, pneumatic devices | from -30° to 60°C | |
| With electric, electrohydraulic devices | from -20° to 50°C |
Walvoil DPX open/closed center post-pressure compensated sectional valves.
Avbaks Construction Technologies Ltd. specializes in providing advanced and creative machinery solutions for factories in the construction steel industry. The company also designs factories in this sector according to customer requirements, with an emphasis on maximum logistical efficiency.
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