Hydac
DB4 Series Pressure Relief Valves

Key Features

  • Direct acting Poppet design
  • Low noise level
  • Fast response
  • Low Hysteresis
  • Long service life
  • Fluoroelastomer seal standard

Quote Request
Click to Enlarge

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)