OLSP 80 priority valves
OLSP 80 priority valves are used in load-sensing steering systems with Danfoss SNP gear pumps and OSPC LS, OSPF LS, OSPD LS, and OSPQ LS steering units. They are flanged directly to gear pumps and are available for both static and dynamic systems with maximum oil flows up to 80 l/min [21.1 gal/min].
Features and benefits
- For flanging on pumps directly
- Simplified installation
- Compact design
- Low pressure drop
- Optional port connections
- Available for both static and dynamic systems
Applications
- Tractors
- Combine harvesters
- Wheel loaders
- Excavators
Specifications
|
Priority valve |
Rated flow to P-connection l/min [US gal/min] |
Max. pressure on connections P, EF bar [psi] |
Max. pressure on connection CF bar [psi] |
Max. pressure on connection LS bar [psi] |
|
OLSP 80 |
80 [21.13] |
280 [4,061] |
240 [3,480] |
240 [3,480] |
P = pump, CF = controlled flow, EF = excess flow, LS = load sensing
Pressure drop in priority valves This data comes from measurements on a representative sample of priority valves from production. Oil with viscosity of 21 mm²/s at 50 °C [102 SUS at 122 °F] was used during measuring. Measurement made when pressure on the LS connection is zero (steering unit in neutral position). The minimum curves apply when the pressure on the EF connection is higher than the actual control spring pressure. The curves for control spring pressure of 4 , 7, 10, or 12 bar [58, 101, 145, or 174 psi] apply when pressure on the EF connection is zero.
See Technical Information for more information.
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