Marine Equipment
LFA12 Series Sectional Directional Control Valve
LFA12 Series Sectional Directional Control Valve Principle : Construction Sectional type Port connection Threaded Nominal size ...
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LFA12 Series Sectional Directional Control Valve
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China LFA12 Series Sectional Directional Control Valve:
LFA12 Series Sectional Directional Control Valve
Principle :
| Construction | Sectional type | |||||
|---|---|---|---|---|---|---|
| Port connection | Threaded | |||||
| Nominal size | mm | 12 | ||||
| Nominal pressure | bar | 250 | ||||
| Max. pressure at ports A, B | bar | 280 | ||||
| Max. pressure at ports a, b | bar | 30 | ||||
| Max. allowable return line back pressure | bar | 15 | ||||
| Main relief valve setting | bar | 100 – 250 | ||||
| Secondary relief valve setting | bar | 150 – 315 | ||||
| Internal leakage(at 100 bar,36 m²/s,50°C) | mL/min | 30 | ||||
| Flow | L/min | 100 (max. per spool section) | ||||
| Hydraulic oil temperature range | °C | −20 ~ +100 | ||||
| Viscosity range | mm2/s | 10 – 460 | ||||
| Permissible oil contamination level | − | −/19/16 (ISO 4406:1999) | ||||
| Total weight | kg | 35 | ||||
Size :
| Port | Size | Tightening torque | ||
|---|---|---|---|---|
| P, T, P2, T2 | G3/4" | 70 N·m | ||
| A, B, P3 | G1/2" | 50N·m | ||
| LS,M, a, b | G1/4" | 20 N·m | ||