23YL-10 pilot operated relief valve
Product Features
1. Adjustments cannot be backed out of the valve.
2. Adjustments prohibit springs from going solid.
3. Hardened spool and cage for long life.
4. Optional spring ranges to 210 bar (3000 psi).
5. Fast, smooth response to pressure surges.
6. Industry common cavity.
Product Specifications
| Product Model | 23YL-10 pilot operated relief valve |
| Operating Pressure | 350 bar |
| Flow | The Performance Chart illustrates the flow handling capacity of different springs at maximum setting. Pressure rise will vary with setting due to spring and flow forces. |
| Internal Leakage | 115 ml/min. (7 cu. in./minute) max. to 85% of nominal setting |
| Crack Pressure Defined | Gauge bar (psi) evident at 7.6 lpm (2.0 gpm) attained |
| Standard Spring Ranges | 35 to 140 bar (500 to 2000 psi) ;70 to 280 bar (1000 to 4000 psi) ;140 to 420 bar (2000 to 6000 psi) |
| Temperature | -40℃～100°C |
| Fluids |
Mineral-based or synthetics with lubricating properties at viscosities of 7.4 to 420 cSt (50 to 2000 ssu).Installation: No restrictions |
| Cartridge | Weight: 0.20 kg. (0.44 lbs.); Steel with hardened work surfaces. Zinc-plated exposed surfaces. |
Product Operation Symbol
The 23YL-10 blocks flow from ① to ②until sufficient pressure is present at ① to force the piloting relief off its seat, allowing the main (second stage) spool to shift, opening ① to ②. The cartridge offers a fast response to load pressure changes in hydraulic circuits.
NOTE: The 23YL-10 cannot be used in crossover relief applications.
Performance/Dimension
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