The IRV08-20 Relief Valve Direct-Acting Poppet is a reliable valve designed to safeguard hydraulic systems by regulating pressure levels. Its direct-acting poppet design enables quick response and accurate pressure control. With its durable construction and efficient performance, it offers reliable protection against overpressure situations, ensuring the smooth operation of hydraulic systems.
| Product Model | IRV08-20 RELIEF VALVE DIRECT-ACTING POPPET |
| Operating Pressure | 350 bar(5100 psi) |
| 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. Consult Inno for specific pressure-flow characteristic values |
| Internal Leakage | 0.25 ml/min. (5 drops/minute) max. to 80% of nominal setting |
| Reseat Pressure | Nominal 80% of crack pressure |
| 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 |
| Cavity | IVC08-2, See page 297 |
Material
| Cartridge | Weight: 0.15 kg. (0.33 lbs.); Steel with hardened work surfaces. Zinc-plated exposed surfaces. |
| Seal | D type seal rings.Anodized aluminum knobs and caps. |
| Standard Ported Body | Weight: 0.16 kg. (0.35 lbs.); Anodized high-strength 6061 T6 aluminum alloy, rated to 240 bar (3500 psi). |
Ductile iron and steel bodies available; dimensions may differ. Consult Inno.
| 1. Adjustments cannot be backed out of the valve. |
| 2. Adjustments prohibit springs from going solid. |
| 3. Optional spring ranges to 350 bar (5100 psi). |
| 4. Fast, smooth response to pressure surges. |
| 5. Compact size. |
The IRV08-20 relieves the pressure to ② from ① once the pre-determined pressure was attained at ① , intended to reduce pressure.
