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Многоходовой клапан LF15 от китайских производителей и заводов — идеальное решение для экскаваторов и строительной техники
Technical Specifications
| Overview | |
| Construction | Split part |
| Mounting method | See drawing |
| Connection | Thread |
| Diameter mm | 15 |
| Hydraulics | |
| Nominal pressure bar | 200 |
| Maximum pressure bar for ports A and B | 300 |
| Maximum pressure at ports a and b bar | 25 |
| Maximum allowable back pressure bar | 15 |
| Primary relief valve pressure bar | 100~250 |
| Secondary relief valve pressure bar | 150~315 |
| Leakage (at 100 bar, 36 m²/s, 50°C) ml/min | 30 |
| Flow rate l/min | 120 (max. per piece) |
| Hydraulic oil temperature range ℃ | -20~+100 |
| Viscosity range m²/s | 10~460 |
| Permissible oil contamination level | -/19/16 (ISO4406:1999) |
| Equipment | |
| Total weight kg | |
Operating Principle
Frequently Asked Questions (FAQ)
1
What is the maximum operating pressure for ports A and B on this load-sensing valve?
The maximum pressure for ports A and B is 300 bar. The nominal operating pressure is 200 bar, while ports a and b are limited to a maximum of 25 bar.
2
What is the maximum allowable flow rate through the valve?
The maximum flow rate is 120 l/min per piece. This ensures efficient hydraulic performance within the system's design parameters.
3
What hydraulic oil temperature range is this valve compatible with?
This valve is designed to operate within a hydraulic oil temperature range of -20°C to +100°C, making it suitable for a wide range of environmental and operational conditions.
4
What is the adjustable pressure range for the primary and secondary relief valves?
The primary relief valve can be set between 100 and 250 bar, while the secondary relief valve is adjustable from 150 to 315 bar, providing flexible system protection.
5
What oil cleanliness level is required for proper valve operation?
The permissible oil contamination level is -/19/16 according to ISO 4406:1999. Maintaining proper oil cleanliness is essential to ensure reliable valve performance and longevity.
6
What type of connection and construction does this valve use?
The valve features a split-part construction with a threaded connection and a nominal diameter of 15 mm. The mounting method is specified in the technical drawing provided with the product.