Hydac
DB4 Series Pressure Relief Valves
DB4 Series Pressure Relief Valves
Key Features
- Direct acting Poppet design
- Low noise level
- Fast response
- Low Hysteresis
- Long service life
- Fluoroelastomer seal standard
Operating Pressure Range
- Inlet (Port 1): to 9,000 psi (630 bar)
- Outlet (Port 2): to 5,000 psi (350 bar)
Nominal Flow
- 8 gpm (30 l/min)
Operating Temperature Range
- -4° to 176°F (-20° to 80°C)
Recommended Media
- General Purpose Hydraulic Fluid
Viscosity Range
- 35 SUS to 3700 SUS
Filtration Rating
- 20 Micron Absolute
Materials
- Valve Body: High Strength Carbon Steel
- Valve Poppet: Hardened and Polished Alloy Steel
- Line Body: Carbon Steel
Cavity
- 06020 Cavity (see page 64 for more information)
Catalogs