Unloaders and Relief Valves


PA VB60 / VB85 "Zero" Stainless Unloader Valve 16gpm 8700psi


PA stainless steel "ZERO" flow activated soft unloader valve. Easy to manage hose, no pressure trapped in lines.


VB60/250  VB85/400 VB85/600
3600psi 5800psi 8700psi
White Blue Black
  • 10.5 gpm
  • 3/8" Inlet / Outlet
  • 1/2" Bypass
  • 1/4" Gauge port
  • 90°C / 195°F


Unloader valves are one of the most important safety devices on a pressure washer system. Failure to install and set the unloader properly could result in a very dangerous situation causing severe damage to the pump and possibly the operator.

Professional installation is required.