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- Hydraulic Pump Performance Test Bench
- Mobile Valves Performance Test Bench
- Hydraulic Cylinder Performance Test Bench
- Hydraulic Cylinder 2P2F Test Bench
- High Pressure Hydraulic Impulse Test Bench
- Industrial Valve Performance Test Bench
- Pump Control Valve Performance Test Bench
- Cartridge Valve Performance Test Bench
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HVSP SERIES Load Sensing
Proportional Control Valve
Nominal size: 15
Rated pressure(bar): 350 (pump side), 420 (actuator side)
Applications :
Concrete pump truck , Forestry machinery,Crane,Drilling rigs Telehandler, Stone Crusher, Mining truck
General
Hydraulic
| Structure | Stackable, proportional, load sensing, pre-compensated | |||||
| Nominal Size | 15 | |||||
| Type of connection | ISO BSP thread, metric thread (with SAE thread option per SAE J1626) | |||||
| Mass(kg) | Inlet element | Middle section | End element | |||
| Open center | Closed center | Hydraulic operation | Normal E-H operation | Super E-H operation | ||
| 9.8 | 6.5 | 5.4 | 6.5 | 7.5 | 4.5 | |
| Rated flow | Q (L/min) | 200 - With load-holding function, without pressure compensator. |
| 190 - Without load-holding function, with pressure compensator. | ||
| 160 - With load-holding function, with pressure compensator. | ||
| Max. operating pressure at port | P (bar) | 350 |
| LS (bar) | 330 | |
| A/B (bar) | 420 | |
| T (bar) | 30 | |
| Y (bar) | Less than 2 | |
| Pilot pressure | a/b (bar) | Less than 35 |
| X (bar) | 30 | |
| Pilot pressure control range | For Hydraulic control: 8.5 to 22.5 bar (123 to 330 psi) | |
| For Electro-hydraulic control: 6.5 to 17.2 bar (94 to 253 psi) | ||
| Required control Δp at the control block | Compensator - S;C : 18 bar( 260psi) Compensator - T : 25 bar( 360psi) | |
| Recommended hydraulic pilot control units | See H-2TH6 characteristic curve 97 | |
| LS pressure relief function (adjustment ranges) | 50 to 149 (725 to 2160); 150 to 330 (2175 to 4800) (selected in the factory) | |
1. System
·Load pressure independent flow distribution
– Closed center, for load sensing variable pump system
– Open center, for fixed displacement pump system
·Priority function
·Various pilot control methods
2. Structure
·Sandwich plate of design
·Max. 9 middle section
3. Pressure
·Primary and secondary pressure relief valve
·LS relief valve （With LS pressure relief valve in each section）
4. Flow
·Load pressure compensated
·Quick response
·Low hysteresis
